KTI INC
8-K, 1998-07-08
COGENERATION SERVICES & SMALL POWER PRODUCERS
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<PAGE>   1
                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                     --------------------------------------

                                    FORM 8-K

                                 CURRENT REPORT

                     Pursuant to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934

                Date of Report (Date of earliest event reported):
                                  June 26, 1998

                                    KTI, INC.
               (Exact name of Registrant as specified in Charter)

New Jersey                         33-85234                  22-2665282
- --------------------------------------------------------------------------------
(State or other juris-           (Commission               (IRS Employer
diction of incorporation)        File Number)              Identification
                                                                         Number)

7000 Boulevard East, Guttenberg, New Jersey                    07093
- --------------------------------------------------------------------------------
(Address of principal executive office)                      (Zip Code)

Registrant's telephone number including area code-                (201) 854-7777
                                                  ------------------------------
                                 Not Applicable
- --------------------------------------------------------------------------------
         (Former name and former address, as changed since last report)
<PAGE>   2

Item 5. Other Events.

            On  June  26,  1998  Penobscot  Energy  Recovery  Company,   Limited
Partnership   ("PERC"),  a  subsidiary  of  KTI,  Inc.  (the  "Company"  or  the
"Registrant")  completed  the  refinancing  of its tax  exempt  debt by  issuing
$44,995,000  par  amount  Finance  Authority  of Maine  ("FAME")  Electric  Rate
Stabilization  Revenue  Refunding  Bonds,  Series 1998 A and Series B (Penobscot
Energy Recovery Company,  LP) (the "1998 Bonds"). The proceeds of the 1998 Bonds
were used to defease the Town of Orrington,  Maine Floating Rate Demand Resource
Recovery Revenue Bonds (Penobscot Energy Recovery Company Project) Series 1986 A
and Series 1986 B Bonds (the "1986 Bonds") which have been called for redemption
on July 16, 1998.  The 1998 Bonds are fixed rate bonds with yields  ranging from
3.75% for 1-year term bonds to 5.20% for 20-year term bonds.  The average  yield
on the  1998  Bonds is  approximately  5.06%.  The 1998  Bonds  are  insured  by
Financial  Security  Assurance,  Inc.  and are rated AAA and Aaa by  Standard  &
Poor's and Moody's, respectively, based on the bond insurance.

      As part of the refinancing,  the following documents were amended, created
or issued:

      A.    The Power Purchase Agreement between PERC and Bangor Hydro-Electric
            Company ("Bangor Hydro") was amended to require Bangor Hydro to make
            a one time payment of $6 million to PERC and to make 16 quarterly
            payments of $250,000 each to PERC, commencing on October 1, 1998,
            all of which payments are held by the trustee for the 1998 Bonds and
            are pledged reserves therefor. (The payment of $6 million was paid
            on June 26, 1998 to fund a capital reserve fund for the 1998 Bonds.
            In addition, Bangor Hydro agreed to pay 50% of the transaction costs
            associated with the issuance of the 1998 Bonds and the defeasance of
            the 1986 Bonds.)

      B.    The Waste Disposal Agreements between certain of the Charter
            Municipalities (the "Amending Charter Municipalities") and PERC were
            amended to extend the term of such agreements to the year 2018, to
            grant the Amending Charter Municipalities the immediate right to
            purchase up to a 50% economic interest as limited partners in PERC
            for $31 million and to purchase the remaining partnership interests
            in 2018 from the then PERC partners at the then fair market value of
            such partnership interests. (Any funds received from the Amending
            Charter Municipalities to purchase limited partnership interests in
            PERC prior to 2018 will be used to retire 1998 Bonds. Funds paid in
            2018 will be paid to the then PERC partners.) The Waste Disposal
            Agreements were further amended to provide that the Charter
            Municipalities, Bangor Hydro and PERC would each receive a one-third
            share of Distributable Cash. (Non-amending Charter Municipalities
            are entitled to receive a one-half share of Distributable Cash
            multiplied by a factor, the numerator of which is equal to the
            tonnage delivered by non-amending Charter Municipalities and the
            denominator of which is total tonnage delivered by both non-amending
            Charter Municipalities and Amending Charter Municipalities. The
            balance of the one-third share is distributable to the Amending
            Charter Municipalities. As of the Closing Date, 53 Charter
            Municipalities had considered and approved the Amended Waste
            Disposal
<PAGE>   3

            Agreements. No Charter Municipality, which has considered the
            proposed amendments, has declined to approve the amendments.

      C.    As a part of the re-financing of the tax-exempt debt, PERC entered
            into a Loan Agreement with FAME, containing the various agreements
            and covenants relative to the 1998 Bonds. FAME assigned certain of
            its interests in the Loan Agreement to the 1998 Bond Trustee, as
            security for the 1998 Bonds. As a condition to FAME's issuance of
            the 1998 Bonds, the Company was required to issue a $3 million
            limited guaranty of PERC's payment obligation under the Loan
            Agreement, in favor of FAME and the 1998 Bond Trustee. Bangor Hydro
            issued its guaranty to FAME and the 1998 Bond Trustee in an amount
            equal to the annual payments for principal and interest on the 1998
            Bonds. Demands on such guaranties are to be pro-rata. If either
            party shall default under such demand, the other guarantor is liable
            for the entire demand, up to the limit on such guarantor's guaranty.

      D.    Bangor Hydro issued three warrants to purchase shares of Bangor
            Hydro common stock at an exercise price of $7.00 per share, having
            an expiration date of June 26, 2008. 25% of the shares covered by
            such warrants may be purchased after March 26, 1999, 50% of the
            shares covered by such warrants may be purchased after March 26,
            2000, 75% of the shares covered by such warrants may be purchased
            after March 26, 2001 and all of the shares covered by such warrants
            may be purchased after March 26, 2002. The warrants permit a
            cashless exercise. Bangor Hydro has the election, at the time of
            exercise of a warrant, to pay cash in an amount equal to the
            difference between the per share market value of its common stock
            and the exercise price per share, multiplied by the number of shares
            being purchased pursuant to the exercise in lieu of issuing common
            stock. The warrants provide for certain registration rights and
            other usual and customary terms, including anti-dilution protection.
            The Amending Charter Municipalities received a warrant for one
            million shares, PERC Management Company Limited Partnership, a
            wholly owned subsidiary of the Company and the Managing General
            Partner of PERC, received a warrant for 712,857 shares and Energy
            National, Inc., a General Partner of PERC, received a warrant for
            287,143 shares.

      E.    The Agreement of Limited Partnership of Penobscot Energy Recovery
            Company, Limited Partnership was amended to permit Amending Charter
            Municipalities to be admitted as limited partners.

      F.    PERC, Bangor Hydro and the Municipal Review Committee, Inc., a Maine
            not for profit  corporation  (the "MRC") entered into a Surplus Cash
            Agreement,  allocating the cash flow of PERC after the  satisfaction
            of PERC's obligations under the Loan Agreement.
<PAGE>   4

Item 7. Financial Statements and Exhibits

(c) Exhibits.

Exhibit Number     Description
- --------------     -----------

4.1                Amendment No. 2 to Power Purchase Agreement, entered into as
                   of the 26th day of June, 1998 by and between PENOBSCOT ENERGY
                   RECOVERY COMPANY, LIMITED PARTNERSHIP, a Maine limited
                   partnership, and BANGOR HYDRO-ELECTRIC COMPANY, a Maine
                   corporation.

4.2                Second Amended and Restated Waste Disposal Agreements

4.3                LOAN AGREEMENT by and between FINANCE AUTHORITY OF MAINE and
                   PENOBSCOT ENERGY RECOVERY COMPANY, LIMITED PARTNERSHIP

4.4                KTI, Inc. Limited Guaranty

4.5                BANGOR HYDRO-ELECTRIC COMPANY Warrant to Purchase Common
                   Stock issued to PERC Management Company Limited Partnership

4.6                THIRD AMENDED AND RESTATED AGREEMENT OF LIMITED PARTNERSHIP
                   OF PENOBSCOT ENERGY RECOVERY COMPANY, LIMITED PARTNERSHIP

4.7                SURPLUS CASH AGREEMENT dated as of June 26, 1998 is among
                   Penobscot Energy Recovery Company, Limited Partnership,
                   Bangor Hydro-Electric Company and Municipal Review Committee,
                   Inc.

4.8                News Release dated June 26, 1998
<PAGE>   5

                                   SIGNATURES

      Pursuant to the  requirements of the Securities  Exchange Act of 1934, the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.

                                       KTI, Inc.
                                       (the Registrant)



Dated: July 7, 1998               By: /s/ Martin J. Sergi
                                       -----------------------------------------
                                       Name:  Martin J. Sergi
                                       Title: President

<PAGE>   6
                                EXHIBIT INDEX
                                -------------


Exhibit Number     Description
- --------------     -----------

4.1                Amendment No. 2 to Power Purchase Agreement, entered into as
                   of the 26th day of June, 1998 by and between PENOBSCOT ENERGY
                   RECOVERY COMPANY, LIMITED PARTNERSHIP, a Maine limited
                   partnership, and BANGOR HYDRO-ELECTRIC COMPANY, a Maine
                   corporation.

4.2                Second Amended and Restated Waste Disposal Agreements

4.3                LOAN AGREEMENT by and between FINANCE AUTHORITY OF MAINE and
                   PENOBSCOT ENERGY RECOVERY COMPANY, LIMITED PARTNERSHIP

4.4                KTI, Inc. Limited Guaranty

4.5                BANGOR HYDRO-ELECTRIC COMPANY Warrant to Purchase Common
                   Stock issued to PERC Management Company Limited Partnership

4.6                THIRD AMENDED AND RESTATED AGREEMENT OF LIMITED PARTNERSHIP
                   OF PENOBSCOT ENERGY RECOVERY COMPANY, LIMITED PARTNERSHIP

4.7                SURPLUS CASH AGREEMENT dated as of June 26, 1998 is among
                   Penobscot Energy Recovery Company, Limited Partnership,
                   Bangor Hydro-Electric Company and Municipal Review Committee,
                   Inc.

4.8                News Release dated June 26, 1998

<PAGE>   1
                                                                     Exhibit 4.1

                                 AMENDMENT NO. 2
                           TO POWER PURCHASE AGREEMENT

      This Amendment No. 2 to Power Purchase Agreement  ("Second  Amendment") is
entered into as of the 26th day of June , 1998 by and between  PENOBSCOT  ENERGY
RECOVERY COMPANY,  LIMITED PARTNERSHIP,  a Maine limited partnership ("Seller"),
and BANGOR HYDRO-ELECTRIC COMPANY, a Maine corporation ("Buyer").

                              W I T N E S S E T H:

      WHEREAS,  Seller and Buyer are parties to a Power Purchase Agreement dated
June 21, 1984 and amended by  Amendment  No. 1 dated March 24, 1986 (as amended,
the  "Agreement") for the sale by Seller and the purchase by Buyer of energy and
capacity  from  Seller's   Orrington,   Maine   waste-to-energy   facility  (the
"Facility"); and

      WHEREAS,   Seller  has  entered  into  certain  long-term  waste  disposal
agreements with numerous Maine municipalities, pursuant to a standard form First
Amended  and  Restated  Waste  Disposal  Agreement  dated as of April 1, 1991 or
shortly  thereafter (the "First Waste Disposal  Agreement") and intends to enter
into a standard  form Second  Amended,  Restated  and  Extended  Waste  Disposal
Agreement  (the  "Second  Waste  Disposal  Agreement")  with  many  of the  same
municipalities as of the Closing (as hereinafter defined); and

      WHEREAS,  those  municipalities  which  are  parties  to the  First  Waste
Disposal Agreement are known as the "Charter Municipalities"; and

      WHEREAS,  those  municipalities  which become  parties to the Second Waste
Disposal Agreement are known as "Amending Charter Municipalities;" and

      WHEREAS,  the Amending Charter  Municipalities will be directly benefitted
by this Agreement,  because it is expected that the continuing sale of energy by
Seller to Buyer will enable Seller to economically receive and process municipal
solid  waste under the Second  Waste  Disposal  Agreement,  which is expected to
substantially  assist the Amending  Charter  Municipalities  in the discharge of
their  obligation  to provide  for the  disposition  of  municipal  solid  waste
discarded by their residents and businesses; and


                                       1
<PAGE>   2

      WHEREAS, in accordance with 35-A M.R.S.A.  ss.3156, Buyer has conclusively
determined that (i) this Second  Amendment  provides  near-term  benefits to its
rate payers that will be reflected in rates paid by the Buyer's  customers;  and
(ii) as a result of this Second Amendment, potential future adverse rate impacts
are not likely to be  disproportionate to near-term gains; and (iii) this Second
Amendment  is  consistent  with 35-A  M.R.S.A.  ss.3191;  and (iv)  this  Second
Amendment will not adversely  impact the  availability of a diverse and reliable
mix of electric energy resources and will not significantly reduce the long-term
electric  energy or  capacity  resources  available  to Buyer and needed to meet
future electric demand; and

      WHEREAS, consistent with 35-A M.R.S.A.  ss.3208(4), Buyer has conclusively
determined that this Second Amendment will reduce the Buyer's potential stranded
costs; and

      WHEREAS, at the request of Buyer, Seller is entering into a loan agreement
(the "Bond Financing Agreement") with the Finance Authority of Maine ("FAME") to
provide a loan to Seller  pursuant to FAME's  electric rate  stabilization  loan
program,  as defined in 10 M.R.S.A.  ss.963-A  (7-A), by issuing bonds (the "New
Bonds") to  refinance  and replace  the  existing  loan  provided to Seller from
certain  bonds issued by the Town of Orrington,  Maine (the "Old Bonds"),  which
Old Bonds financed a portion of the construction of the Facility; and

      WHEREAS,  this Amendment is being executed and delivered  contingent  upon
the closing of the  refinancing  referred  to in the  preceding  paragraph  (the
"Closing"); and

      WHEREAS, delivery of the New Bonds shall be conclusive evidence that the
Closing has occurred; and

      WHEREAS,  Seller,  Municipal Review Committee,  Inc. (the "MRC") and Buyer
have approved the Bond Financing  Agreement and the Trust  Indenture (the "Trust
Indenture")  to be entered  into as of the  Closing  between  FAME and The Chase
Manhattan Bank, as the trustee for the New Bonds (the "Bond Trustee"),  pursuant
to which the Bond Trustee will receive specified  payments from Seller and Buyer
at Closing to fund certain  reserves held in trust by the Bond Trustee under the
Trust Indenture; and

      WHEREAS,  all Charter  Municipalities  are members of the MRC which is the
designated  agent  for  the  Charter  Municipalities  and the  Amending  Charter
Municipalities; and


                                       2
<PAGE>   3

      WHEREAS,   Seller  and  Buyer   understand   that  the  Amending   Charter
Municipalities  will  receive  certain  benefits  as a  result  of  this  Second
Amendment and related transactions,  and intend that the MRC shall be an express
third  party  beneficiary  hereunder  for the  benefit of the  Amending  Charter
Municipalities to the extent provided herein; and

      WHEREAS,  Buyer intends to issue  warrants to the MRC or its designees for
the benefit of Amending Charter Municipalities at the Closing; and

      WHEREAS, the MRC and Buyer are separately entering into an agreement as of
the  Closing  regarding  certain  operating  reports  about the  Facility  to be
prepared  periodically  by the MRC for which  Buyer  shall  pay  Forty  Thousand
Dollars  ($40,000.00)  annually (subject to annual adjustment in accordance with
changes in the  "CPI-U,"  so-called,  published by the United  States  Bureau of
Labor  Statistics),  payable Ten  Thousand  Dollars  ($10,000.00)  quarterly  in
advance;

      NOW THEREFORE,  in  consideration of the mutual covenants and promises set
forth  herein,  and  the  consent  of  the  MRC  and  other  good  and  valuable
consideration,  the receipt  and  sufficiency  of which is hereby  acknowledged,
Seller and Buyer agree as follows:

      1.    It is the express intent of Seller and Buyer that the MRC possess an
            enforceable benefit for the Amending Charter Municipalities as a
            third party beneficiary of the Agreement. As a third party
            beneficiary, it is intended that the MRC shall have standing in any
            suit, bankruptcy, reorganization, arbitration, mediation or dispute
            resolution proceeding arising out of the Agreement to enforce any
            rights granted to the Amending Charter Municipalities or the MRC
            hereunder, or to seek damages from the breach of any obligations
            owed to the Amending Charter Municipalities and the MRC hereunder.

      2.    The following  provisions  of the Agreement  shall not be materially
            amended,  supplemented  or  modified  without  the  express  written
            consent of the MRC, which consent shall not be unreasonably withheld
            or delayed:

      Article II:    Term
      Article III:   Sale of Power
      Article IV:    Billing and Payment
      Article IX:    Deliveries
      Article XI:    Continuity of Service
      Article XIII:  Breach
      Article XIV:   Assignment


                                       3
<PAGE>   4

      Article XV:    Indemnity
      Article XVI:   Liability, Dedication
      Article XVII:  Force Majeure

      Article XIX:   Representations and Warranties of the Parties
      Article XXI:   Waiver
      Article XXIII: Choice of Law
      The First and Second Amendments to the Agreement

      3.    At the Closing Buyer will (a) deposit with the Bond Trustee for the
            benefit of Seller Six Million Dollars ($6,000,000.00) for credit to
            the Capital Reserve Fund established under the Trust Indenture and
            (b) a one-time payment of $151,393, which is an amount equal to
            interest at the rate of eight percent (8%) per annum on One Million
            Dollars ($1,000,000.00) over sixteen quarter-year periods,
            discounted at the same interest rate (together, the "Closing
            Payment"), for deposit under the terms of the Trust Indenture. Buyer
            will pay to the Bond Trustee for the benefit of Seller and the MRC,
            as agent for the Amending Charter Municipalities additional cash
            payments in the aggregate amount of Four Million Dollars
            ($4,000,000), for deposit under the terms of the Trust Indenture, in
            quarterly payments of Two Hundred Fifty Thousand Dollars
            ($250,000.00) due on the first day of each quarter for each quarter
            or part thereof (January, April, July, October) which occurs after
            the Closing, commencing October 1, 1998, until sixteen such
            quarterly payments have been made (the "Installment Payments," and
            together with the Closing Payment, the "Bangor Hydro Payments," and
            each date of such payment, the "Payment Date"). All Bangor Hydro
            Payments shall be made to the Bond Trustee but if a Bond Trustee is
            not serving in such capacity on a particular Payment Date then the
            Bangor Hydro Payment shall be made as Seller shall direct Buyer in
            writing. The obligation of Buyer to make each of the Bangor Hydro
            Payments shall be absolute and unconditional, and Buyer shall not be
            entitled to any abatement, diminution, set off, abrogation, waiver
            or modification thereof nor to any termination of the Agreement by
            any reason whatsoever except as expressly provided herein,
            regardless of any rights of set-off, recoupment or counterclaim that
            Buyer might otherwise have against Seller or any other party or
            parties and regardless of any contingency, act of God, event or
            cause whatsoever.

      4.    Buyer and  Seller  each  agree to pay by wire  transfer  of same day
            funds on the  Closing  Date or as soon  thereafter  as  practicable,
            one-half  (1/2)  of the  third  party  costs  of  restructuring  the
            financing described above including but not limited to costs related
            to: (a) extension and  termination of the letter of credit  securing
            the Old Bonds, (b) retirement of the Old Bonds, (c)


                                       4
<PAGE>   5

            issuance of the New Bonds and loans related  thereto,  (d) obtaining
            FAME approval; and all of certain costs of other entities including,
            but not limited to,  reasonable  expenses  incurred by the MRC,  the
            Town of Orrington, bond counsel, FAME, the existing letter of credit
            banks,  and the Bond Trustee,  and their  respective  counsel,  with
            credit for such portion thereof that may have been advanced by Buyer
            or Seller, respectively, prior to the Closing.

      5.    Subject to the satisfaction of the requirements contained in
            Paragraph 6 below, Seller shall pay to Buyer one-third (1/3) of any
            Distributable Cash (as such term is defined in the Second Waste
            Disposal Agreement), which is available for distribution in
            accordance with the Trust Agreement, but only to the extent
            permitted under the Bond Financing Agreement (each such payment a
            "Bangor Hydro Distribution"), as more particularly described in the
            Surplus Cash Agreement of even date herewith among Buyer, Seller,
            and the MRC.

      6.    Seller's obligation to make a Bangor Hydro Distribution to Buyer is
            contingent on Buyer making each Installment Payment as and when due
            and performing each of its other obligations set forth in the
            Agreement, as amended hereby. In the event of a payment default
            hereunder by Buyer, Buyer shall immediately rebate to the Bond
            Trustee (or if none, to Seller) all Bangor Hydro Distributions
            previously received by Buyer in an amount equal to the sum of the
            Bangor Hydro Payments (together with any other payments due
            hereunder) which have not been paid when due, which rebate amount
            (net of costs of collection) shall be distributed as directed in
            writing by Seller.

      7.    In the event that Buyer's obligation to make payments under the
            Agreement is avoided, or otherwise reduced in amount, or delayed, or
            impaired in a bankruptcy, reorganization, or similar proceeding,
            Seller's obligation to make any further Bangor Hydro Distributions
            shall cease, and Seller and the MRC shall have valid and enforceable
            claims against Buyer in the aggregate amount of all Bangor Hydro
            Distributions previously paid to Buyer, net of any reserves funded
            by Bangor Hydro Payments and held by the Bond Trustee under the
            Trust Indenture, in addition to any other claims for damages or
            other claims Seller and the MRC may possess.


                                       5
<PAGE>   6

      8.    Article V of the Agreement is amended as follows:

      To Seller:  Penobscot Energy Recovery Company, Limited Partnership
                  P.O. Box 96
                  Industrial Way
                  Orrington, ME  04475
                  Attention: Plant Manager

      With a copy (which shall not constitute notice) to:
                  Gordon F. Grimes, Esq.
                  Bernstein, Shur, Sawyer & Nelson
                  100 Middle Street
                  P.O. Box 9729
                  Portland, ME 04104-5029

      To Buyer:   President
                  Bangor Hydro-Electric Company
                  33 State Street
                  P.O. Box 932
                  Bangor, ME  04402-0932

      To Municipal Review Committee, Inc.:
                  Municipal Review Committee, Inc.
                  Eastern Maine Development Corporation
                  One Cumberland Place
                  Bangor, ME  04401

      With a copy (which shall not constitute notice) to:
                  Thomas M. Brown, Esq.
                     Eaton, Peabody, Bradford & Veague, P.A.
                  Fleet Center - Exchange Street
                  P.O. Box 1210
                  Bangor, ME  04402-1210

Monthly billing statements to Buyer shall be sent to:
                  Assistant Treasurer
                  Bangor Hydro-Electric Company
                  33 State Street
                  P.O. Box 932
                  Bangor, ME  04402-0932

9.    Article IX of the Agreement is amended by adding the following at the end
      of the last sentence of the first paragraph:

            "...until  such time as retail access is permitted  pursuant to 35-A
            M.R.S.A.  ss.3202 or any successor  statute.  Thereafter  Seller may
            (without  waiving any right to continue  buying from Buyer from time
            to time  thereafter)  purchase  such power as  permitted by statute,
            which shall be delivered by Buyer if requested by Seller."


                                       6
<PAGE>   7

      10. Article XIII(A) of the Agreement is amended by adding the following at
the end of the first sentence:

            "...and in addition  Buyer shall pay all Bangor  Hydro  Payments set
            forth in paragraphs 6 and 7 of the Second Amendment hereof."

      11. Article XIV of the Agreement is amended by adding the following  words
after the words "that the Trustee to which this  Agreement  is  assigned" in the
second sentence thereof:

            "...,  upon taking  possession of the Facility after  foreclosure of
            its liens on and security interests therein,...

      12. Article XV of the Agreement is amended by inserting the following
immediately after the first sentence thereof:

            "Notwithstanding the above, no limitation appearing in the preceding
            sentence will be construed to limit payment of the amounts described
            in paragraphs 6 and 7 of the Second Amendment hereof."

13. Article XVI is amended by adding the following to Section A:

            "...except obligations to the MRC as provided for herein."

14. Article XXIV of the Agreement is amended by adding the following:

            "...other than such terms and conditions referred to in documents
            referred to in the Second Amendment."

Buyer  acknowledges that any default under the Agreement  referenced in the 15th
WHEREAS  clause hereof shall not be a default under this Agreement or in any way
excuse  performance by Buyer hereunder or give rise to any rights of offset with
respect thereto. In all other respects, the Agreement shall remain in full force
and  effect in  accordance  with the terms  thereof,  and  Seller and Buyer each
hereby reaffirms its respective obligations thereunder.


                                       7
<PAGE>   8

IN WITNESS  WHEREOF,  Seller and Buyer have  caused this  Amendment  No. 2 to be
executed as of the date first written above.

WITNESS:                            Penobscot Energy Recovery Company, Limited
                                   Partnership

                                    By: PERC Management Company Limited
                                    Partnership, its General Partner

                                    By: PERC, Inc. its General Partner


/s/ Robert E. Wetzel                By: /s/ Martin J. Sergi
- -----------------------             -----------------------
Name:  Robert E. Wetzel                   Martin J. Sergi
                                          Its President

                                    By: Energy National, Inc., its General
                                        Partner

/s/ David Lloyd                     By: /s/ Michael J. Young
- ----------------------              ------------------------
Name: David Lloyd                         Michael J. Young
                                          Its Secretary

                                          Bangor Hydro-Electric Company

/s/ Andrew Landry                   By: /s/ Carroll R. Lee
- ---------------------               ------------------------
Name: Andrew Landry                       Carroll R. Lee
                                          Its Senior Vice President and Chief
                                          Operating Officer


                                       8

<PAGE>   1
                                                                     Exhibit 4.2

                      SECOND AMENDED, RESTATED AND EXTENDED



                            WASTE DISPOSAL AGREEMENT



                                     between



                       ----------------------------------
                                 (Municipality)


                                       and


             PENOBSCOT ENERGY RECOVERY COMPANY, LIMITED PARTNERSHIP



DATED:  _____________________
<PAGE>   2

                                TABLE OF CONTENTS

Article I      Definitions ..................................................  3
Article II     Representations, Warranties and Covenants..................... 10
Article III    Operation of the Facility..................................... 13
Article IV     Weighing ..................................................... 14
Article V      Delivery of Waste to Company.................................. 16
Article VI     Determination of Tipping Fee.................................. 20
Article VII    Capital and Maintenance Reserve Account....................... 22
Article VIII   Term of the Agreement, Termination............................ 27
Article IX     Unacceptable and Hazardous Waste.............................. 30
Article X      Suspension of Operations...................................... 31
Article XI     Damage or Destruction......................................... 32
Article XII    Municipal Review Committee.................................... 32
Article XIII   Default; Liquidated Damages................................... 36
Article XIV    Change in Law ................................................ 39
Article XV     Force Majeure ................................................ 41
Article XVI    Additional Remedies Upon Material, Adverse Changes............ 42
Article XVII   Assignment.................................................... 46
Article XVIII  Performance Credits........................................... 47
Article XIX    Exercise of Option to Extend Term; Option To Purchase
               Partnership Interests; Option To Purchase Limited
               Partnership Interests ........................................ 51
Article XX     Notices....................................................... 57
Article XXI    Binding Effect ............................................... 58
Article XXII   Other Documents............................................... 58
Article XXIII  Headings...................................................... 58
Article XXIV   Counterparts.................................................. 58
Article XXV    Applicable Law ............................................... 59
Article XXVI   Amendment of Agreement........................................ 59
Article XXVII  Severability ................................................. 59
Article XXVIII Relationship of the Parties................................... 59
Article XXIX   Representatives............................................... 59
Article XXX    Integration; Conflicts........................................ 60
Article XXXI   Consents...................................................... 60
Article XXXII  Arbitration................................................... 60


                                       -2-
<PAGE>   3

Article XXXIII Miscellaneous ................................................ 61

                                    Schedules

Schedule A     Notices;  Guaranteed Annual Tonnage.......................i
Schedule B     Charter Municipalities and Reference GATs................ii
Schedule C     Tipping Fee Calculation..................................vi
Schedule D     Procedure To Exercise Option To Purchase Facility under
               Article XVI, Paragraph A ...............................xii
Schedule E     Distributable Cash.....................................xiii
Schedule F     Performance Standards..................................xvii
Schedule G     Types of Vehicles........................................xx
Schedule H     [Deleted]
Schedule H1    [Deleted]
Schedule I     [Deleted]
Schedule J     Litigation and Governmental Proceeding Disclosure......xxiv
Schedule K     [Deleted]

Acknowledgment of Bangor Hydro-Electric Company
Acknowledgment and Agreement of Municipal Review Committee, Inc.


                                      -3-
<PAGE>   4

         SECOND AMENDED, RESTATED AND EXTENDED WASTE DISPOSAL AGREEMENT

            This Second Amended,  Restated and Extended Waste Disposal Agreement
(this  "Agreement")  is  entered  into in the  State  of  Maine  by and  between
__________  ______________,  Maine, a municipal  corporation  hereinafter called
"MUNICIPALITY";  and Penobscot Energy Recovery Company,  Limited Partnership,  a
Maine limited partnership hereinafter called "COMPANY," and amends, restates and
extends in its entirety that certain First Amended and Restated  Waste  Disposal
Agreement,  between  MUNICIPALITY and COMPANY,  dated as of _________,  199_, as
heretofore  amended  and  supplemented  (as so  amended  and  supplemented,  the
"Outstanding Agreement").

            WHEREAS, MUNICIPALITY is in need of a comprehensive, environmentally
sound,  reliable,  long-term  management  strategy  for handling the present and
projected volumes of non-hazardous Solid Waste generated within MUNICIPALITY;

            WHEREAS, it is the policy of the State of Maine to reduce the volume
of Solid Waste going into  landfills,  to recycle Solid Waste whenever  possible
and to maximize resource recovery;

            WHEREAS,  improved  waste  management  within  the  region  of which
MUNICIPALITY is a part will serve the following goals:

            1. Recovery of energy from waste;

            2. Reduction in indiscriminate disposal of waste;

            3. Coordination of Solid Waste management among political
subdivisions; and

            4. Orderly and deliberate development of financially secure waste
facilities:

            WHEREAS,  State  law  requires  each  municipality  to  provide  for
disposal  facilities  for  domestic  and  commercial  non-hazardous  Solid Waste
generated within such municipality;


                                      -4-
<PAGE>   5

            WHEREAS,   Solid  Waste  issues  present  communities  with  serious
long-term  financial,  management,  governmental  and technical  problems in the
disposal of Solid Waste;

            WHEREAS,  effective  management  of Solid  Waste is  crucial  to the
continued  financial  well-being of MUNICIPALITY and the region of which it is a
part;

            WHEREAS,  COMPANY owns and operates a facility that recovers certain
recyclable  materials and otherwise converts Solid Waste into energy in the Town
of Orrington, Penobscot County, Maine (as hereinafter defined, the "Facility");

            WHEREAS,  MUNICIPALITY  is willing  to assure  the steady  supply of
specified quantities of Solid Waste to the Facility for a fixed period; and

            WHEREAS,  approximately  130 communities  delivering  Solid Waste to
COMPANY (as hereinafter  defined, the "Charter  Municipalities")  have so-called
"charter municipality" waste disposal agreements with COMPANY; and

            WHEREAS,  COMPANY and Bangor Hydro-Electric  Company (as hereinafter
defined,  "Bangor  Hydro")  have  entered into a Power  Purchase  Agreement,  as
amended,  pursuant to which  Bangor  Hydro has agreed to purchase  the  electric
generating capacity of, and electric power generated at, the Facility; and

            WHEREAS,  Bangor  Hydro  desires  to reduce the price for energy and
capacity as now provided for in the Power  Purchase  Agreement and has requested
that  COMPANY  amend the Power  Purchase  Agreement  to reduce the burden on its
ratepayers; and

            WHEREAS,  to effect such  amendment it is necessary to refinance the
outstanding  indebtedness  that  financed  the  Facility as well as to amend the
outstanding "charter municipality" waste disposal agreements between COMPANY and
such   charter    municipalities   (as   hereinafter   defined,   the   "Charter
Municipalities"); and

            WHEREAS,  MUNICIPALITY and other Charter  Municipalities are members
of the Municipal  Review  Committee,  Inc., which has engaged in discussions and
negotiations  with Bangor  Hydro and COMPANY on behalf of  MUNICIPALITY  and the
other  Charter  Municipalities,  resulting  in a plan to  restructure  the Power
Purchase Agreement and the


                                      -5-
<PAGE>   6

outstanding "charter municipality" waste disposal agreements and to refinance
the outstanding indebtedness that financed the Facility; and

            WHEREAS,  COMPANY seeks to amend, supplement and extend its existing
waste  disposal  agreement with  MUNICIPALITY  and  substantially  similar waste
disposal  agreements with other Charter  Municipalities it serves,  and, for the
convenience of the parties,  to restate such amended,  supplemented and extended
agreements;

            NOW, THEREFORE, in consideration of the foregoing and the mutual
agreements hereinafter set forth, and other good and valuable consideration, the
receipt and sufficiency thereof being hereby acknowledged, MUNICIPALITY and
COMPANY hereby agree to amend, supplement and extend the Outstanding Agreement
and to restate the Outstanding Agreement as so amended, supplemented and
extended, as follows: ARTICLE I. DEFINITIONS

            A. "Acceptable  Waste" means [this definition to be adapted for each
Charter  Municipality  based on  applicable  provisions  of its  existing  waste
disposal agreement] Solid Waste,  including all ordinary  household,  municipal,
institutional,  commercial  and  industrial  wastes which  consist  primarily of
combustible  materials,  except for the following  (unless  Specially  Permitted
Waste):

            1.    demolition or construction debris from building and roadway
                  projects or locations;

            2.    liquid wastes or sludges;

            3.    abandoned or junk vehicles;

            4.    Hazardous Waste;

            5.    dead animals or portions thereof or other pathological wastes;

            6.    water treatment facility residues;

            7.    tree stumps;

            8.    tannery sludge;


                                      -6-
<PAGE>   7

            9.    waste oil;

            10.   discarded "white goods" such as freezers, refrigerators,
                  washing machines, etc.;

            11.   waste  which in the  reasonable  judgment of  COMPANY'S  weigh
                  station  operator based solely upon a visual  inspection has a
                  BTU content of less than 4000 BTU's per pound unless the waste
                  fails  to meet  the  aforementioned  BTU  minimum  requirement
                  solely because of the moisture  content of such waste and such
                  moisture content is due to abnormally wet weather conditions;

            Notwithstanding  the  above  limitations,   Acceptable  Waste  shall
include Specially Permitted Waste.

            B.  "Agreement"  means this Second  Amended,  Restated  and Extended
Waste  Disposal   Agreement   (including   Schedules  attached  hereto)  between
MUNICIPALITY and COMPANY, as it may be amended or supplemented from time to time
in accordance with its terms.

            C. "Amending Charter Municipality" means a Charter Municipality that
enters  into a waste  disposal  agreement  with  COMPANY on terms  substantially
similar to those  contained in this  Agreement on or before  September 30, 1998.
Amending  Charter  Municipalities  shall also  include (i) those  municipalities
which, with the prior approval of the Municipal Review  Committee,  enter into a
new waste disposal agreement with COMPANY and those  municipalities  which amend
and supplement their outstanding waste disposal agreements with COMPANY on terms
substantially  similar to those  contained in this Agreement after September 30,
1998 and before March 31, 2004,  and (ii) those  municipalities  which after the
Closing Date enter into an  agreement  with  COMPANY and are  recognized  by the
Municipal  Review  Committee  and  COMPANY as an Amending  Charter  Municipality
pursuant  to  Article  VIII(C);   provided,   however,   that  Amending  Charter
Municipalities described in clauses (i) and (ii) of this sentence shall not have
the rights of Amending Charter Municipalities to receive warrants for shares of


                                      -7-
<PAGE>   8

common stock of Bangor Hydro, as contemplated by Article XII, paragraph E, or to
purchase limited  partnership  interests in COMPANY,  as contemplated by Article
XIX.

            D. "Bangor Hydro" means Bangor Hydro-Electric Company, a Maine
corporation, or any permitted successors as Buyer under the Power Purchase
Agreement, dated as of June 21, 1984, as amended through Amendment No. 2, with
the COMPANY.

            E. "By-Pass Waste" means all Acceptable Waste which COMPANY is
required but is unable to accept at the Facility.

            F. "Capital and Maintenance Reserve Account" means the reserve
account established by COMPANY and more specifically described in Article VII.

            G. "Change in Law" means those events described in Article XIV
hereof.

            H.  "Charter   Municipality"   means  the   MUNICIPALITY   and  each
municipality that is a party to a waste disposal agreement with COMPANY on terms
substantially  similar to those contained in the  Outstanding  Agreement or this
Agreement,  and which are listed and designated as such on Schedule B hereto, as
such schedule may be amended by COMPANY upon the request of the Municipal Review
Committee  from time to time in  accordance  with the  provisions  of Article V,
paragraph F.

            I. "Closing Date" means the date on which refunding bonds are issued
by the Finance Authority of Maine, or other issuer, and funds are made available
to  COMPANY  to  redeem  all of the  outstanding  bonds  issued  by the  Town of
Orrington,  Maine,  to finance the Facility,  and Bangor Hydro and COMPANY shall
have executed and delivered Amendment No. 2 to the Power Purchase Agreement with
COMPANY,  Bangor Hydro and the other  parties  thereto  shall have  executed and
delivered the warrant agreement  referenced in Article XII, paragraph E, and the
parties to the Trust  Agreement  shall have  executed  and  delivered  the Trust
Agreement.

            J. "COMPANY" means Penobscot Energy Recovery Company, Limited
Partnership, a Maine limited partnership, or any successor thereto or assign
thereof as permitted by this Agreement.


                                      -8-
<PAGE>   9

            K. "CPI-U" means the Consumer Price Index-All Urban Consumers (U.S.
cities average, all items) as published bi-monthly by the United States Bureau
of Labor Statistics in a report currently entitled "CPI Detailed Report." If
this index ceases to be published, a comparable index shall be designated by
agreement of COMPANY and the Municipal Review Committee.

            L. "Delivery Hours" means a minimum of not less than eight (8) hours
per day Monday through Saturday,  certain specified  holidays  excluded,  during
which deliveries of Acceptable Waste, will be normally accepted at the Facility.
Such hours shall be determined by COMPANY with due  consideration to be given to
the needs of MUNICIPALITY  and the concerns of the Host  Municipality.  Delivery
Hours may be suspended by COMPANY due to a Suspension of  Operations,  hazardous
conditions or lawful orders to do so.

            M. "District" means the Penobscot Valley Refuse Disposal District or
any other successor  district which may be formed to exercise some or all of the
powers of said district or those powers which are conferred upon  municipalities
pursuant to 38 M.R.S.A. Chapter 17.

            N. "Equity Charter Municipality" means an Amending Charter
Municipality that timely exercises the option to participate in the purchase of
a limited partnership interest in COMPANY granted in Article XIX, paragraph C.

            O. "Facility" means the waste to energy facility owned by COMPANY in
Orrington designed to convert Acceptable Waste into electrical and/or steam
energy.

            P. "FEPR" means front end processing residue, including glass, grit,
ferrous metals and other non-processible material removed from the waste stream
prior to combustion.

            Q. "Force Majeure Event" means an act of God, act of public enemy,
war, earthquake, storm, flood, and other causes not reasonably within the
control of any party invoking Article XV for its benefits.


                                      -9-
<PAGE>   10

            R.  "Guaranteed   Annual  Tonnage"  means  the  number  of  tons  of
Acceptable  Waste that  originates  within  its  boundaries  which  MUNICIPALITY
guarantees to deliver to the Facility  during the  Operating  Year (as initially
set forth on Schedule A attached hereto), as such number of tons may be adjusted
pursuant to Article V hereof.

            S.  "Guaranteed  Plant  Capacity  Share"  means a number  of tons of
Acceptable Waste equal to 125% of MUNICIPALITY's Guaranteed Annual Tonnage as in
effect with respect to  MUNICIPALITY  in any  Operating  Year,  which COMPANY is
required to accept from MUNICIPALITY during such Operating Year.

            T. "Hazardous Waste" means waste with inherent properties which make
such waste dangerous to manage by ordinary means, including, but not limited to,
chemicals, explosives, pathological wastes, radioactive wastes, toxic wastes and
other wastes  defined as hazardous at any time during the term of this Agreement
by the State of Maine or the Resource  Conservation  and Recovery Act of 1976 as
amended, or other Federal,  State or local laws,  regulations,  orders, or other
actions promulgated or taken with respect thereto.

            U. "Host Municipality" means the municipality of Orrington,
Penobscot County, Maine which is not a Charter Municipality.

            V.  "MRC  Administration  Authorization"  means  the  bylaws  of the
Municipal Review Committee, as amended and restated and in effect on the Closing
Date,  which govern the rights and obligations of the Municipal Review Committee
in its capacity as advisor or agent to the Amending  Charter  Municipalities  in
respect  of  all or  certain  of its  duties  under  this  Agreement  and  other
agreements  contemplated  by this Agreement,  including  Articles XII and XIX of
this Agreement, as such bylaws may be amended or supplemented from time to time,
or  any  successor  or  supplemental  agreement  between  the  Municipal  Review
Committee and the Amending Charter Municipalities.

            W. "Municipal Review Committee" means the Municipal Review
Committee, Inc., a nonprofit corporation organized under the laws of the State
of Maine, or any


                                      -10-
<PAGE>   11

successor  entity  operating as the Municipal  Review  Committee as described in
Article XII as the same may be constituted from time to time.

            X. "Operating Year" means a twelve (12) month period of Facility
operation beginning January 1 and concluding December 31.

            Y. "Outstanding Agreement" means the existing First Amended and
Restated Waste Disposal Agreement, dated _______________, 199_, between
MUNICIPALITY and COMPANY, as such had been heretofore amended and supplemented.

            Z. "Pass-through Cost" has the meaning given in Paragraph B of
Schedule C to this Agreement.

            AA.  "Reference GAT" means,  with respect to a Charter  Municipality
and as of the date of  determination,  the  Guaranteed  Annual Tonnage set forth
opposite  such  Charter  Municipality  on  Schedule  B, which  initially  is the
Guaranteed Annual Tonnage of such Charter  Municipality as of March 31, 1995, as
such may be  amended  from time to time in  accordance  with the  provisions  of
Article V, paragraph F.

            BB. "Residue" means materials (including, but not limited to, bottom
ash, fly ash, and solids from emission control equipment) remaining after
processing of Acceptable Waste at the Facility.

            CC.  "Solid  Waste"  means   non-hazardous   solid   materials  with
insufficient  liquid  content  to be  free-flowing  which are of no value to the
immediate  source  from  which  they  emanate as  evidenced  by their  disposal,
discard,  or abandonment  without  consideration in return,  including,  but not
limited to, rubbish,  sludge from a wastewater treatment plant, scrap materials,
junk, and refuse,  but excluding septic tank sludge and agricultural  waste. The
fact  that  value  may be  derived  from  such  solid  materials  by  recycling,
reprocessing,  or other method of resource  recovery  shall have no bearing upon
their classification as "Solid Waste."

            DD. "Specially Permitted Waste" means Unacceptable Waste which
COMPANY by written addendum to this Agreement agrees to accept at the Facility
to the extent that efficient operation of


                                      -11-
<PAGE>   12

the Facility will permit, subject to such conditions and limitations as may be
imposed by COMPANY.

            EE. "Spot Market Contract" means a written or oral agreement for not
more  than  one  (1)  year   between   COMPANY  and  an  entity,   municipal  or
non-municipal, allowing deliveries of Acceptable Waste on an interruptible basis
at COMPANY's option in each case, pursuant to which said entity has the right to
deliver  Acceptable  Waste to the  Facility,  and COMPANY  agrees to accept such
Acceptable Waste, subject to interruption,  or termination at the COMPANY's sole
discretion.

            FF.  "Supplemental  Fuel" means, oil, coal, natural gas, wood chips,
other  biomass,  tires,  or any other fuel burned or consumed in the  Facility's
combustion  units as a supplement  to  Acceptable  Waste,  excluding  oil burned
during a start up or shut down of the Facility.

            GG.   "Suspension  of  Operations"   means  the  suspension  of  the
Facility's  operation for a temporary period to allow for repairs,  maintenance,
retrofitting, change in law modifications and regulatory compliance during which
COMPANY is unable to accept delivery of Acceptable Waste at the Facility.

            HH. "Termination of Operations" means the termination of the
Facility's operation with no apparent intention or ability to resume operation.

            II.  "Tipping  Fee"  means  the  payments  required  to be  made  by
MUNICIPALITY  to  COMPANY  for  processing  Acceptable  Waste  at the  Facility,
diverting  By-Pass  Waste  to  another  location  at the  COMPANY's  cost  or as
otherwise provided for in this Agreement.

            JJ. "Trust Agreement" means the [Trust Agreement] to be entered into
between COMPANY and a trustee, pursuant to which a trust is established to
receive all revenues of the Facility and to distribute the same as therein
provided.

            KK. "Unacceptable Waste" means all Solid Waste that is not
Acceptable Waste.


                                      -12-
<PAGE>   13

            ARTICLE II. REPRESENTATIONS, WARRANTIES AND COVENANTS

            A. COMPANY warrants and represents to MUNICIPALITY the following:

                  1. COMPANY is a limited partnership duly organized and validly
existing under the laws of the State of Maine in good  standing,  and authorized
to do  business  under the laws of the State of Maine and that it has full power
and  authority to execute and to enter into this  Agreement  and is qualified to
perform this Agreement in accordance with its terms.

                  2. The execution and delivery of this Agreement by COMPANY has
been duly authorized by all appropriate  partnership  actions and this Agreement
constitutes the legal,  valid and binding  obligation of COMPANY  enforceable in
accordance with its terms (except as enforceability may be limited by applicable
bankruptcy or similar laws  affecting  creditor's  rights and by  application of
equitable principles if equitable remedies are sought).

                  3. Assuming the redemption of all Town of Orrington  bonds and
cancellation  of the letter of credit  supporting  such  bonds,  the  execution,
delivery  and  performance  of this  Agreement  by COMPANY  will not violate any
provision  of law,  any order of any court or other  agency of  government,  the
Agreement  of Limited  Partnership  of  COMPANY,  as amended,  supplemented  and
restated,  or any  indenture,  material  agreement or other  instrument to which
COMPANY  is now a party or by which it or any of its  properties  or  assets  is
bound,  or be in conflict  with,  result in a breach of or  constitute a default
(with  due  notice of the  passage  of time or both)  under any such  indenture,
agreement or other  instrument,  or result in the creation or  imposition of any
lien,  charge or encumbrance of any nature whatsoever upon any of the properties
or assets of COMPANY.

                  4.  Except  as set  forth  on  Schedule  J, to the best of its
knowledge,  there  is  no  pending  or  threatened  litigation  or  governmental
proceeding  which  would  adversely  affect  COMPANY's  ability to  operate  the
Facility  or would  affect its  ability to perform  its  obligations  under this
Agreement.


                                      -13-
<PAGE>   14

                  5.  Each  general  partner  of  COMPANY  is  either a  limited
partnership or corporation duly organized and validly existing under the laws of
the State of its  organization  in good standing and qualified to do business in
the State of Maine,  and has the power to enter into, and had duly authorized by
proper action the execution and delivery of, this  Agreement as general  partner
on behalf of COMPANY.  The  execution  and  delivery of this  Agreement  by such
general  partners of COMPANY and  performance  of this Agreement by such general
partners of COMPANY and  performance  of this  Agreement by COMPANY will not (i)
violate  any  provision  of law or any  order of any  court or other  agency  of
government  applicable to such general partner,  (ii) violate the organizational
documents of such general  partner,  or (iii) be in conflict  with,  result in a
breach of, or  constitute  a default  (with due notice or the passage of time or
both) under any such material indenture,  agreement or other instrument to which
such general  partner is now a party or by which it or any of its  properties or
assets is bound.

                  6. COMPANY shall provide to MUNICIPALITY an opinion of its
legal counsel to the effect of Paragraphs 1 through 5.

            B. MUNICIPALITY warrants and represents to COMPANY each of the
following:

                  1. The execution and delivery of this  Agreement has been duly
authorized by all appropriate actions of MUNICIPALITY'S governing body, and this
Agreement  constitutes the legal, valid and binding  obligations of MUNICIPALITY
enforceable  in  accordance  with its terms  (except  as  enforceability  may be
limited by applicable  bankruptcy or similar laws affecting  creditors'  rights,
and by application of equitable principles if equitable remedies are sought).

                  2. To the  best  of its  knowledge,  there  is no  pending  or
threatened litigation or governmental proceedings which would affect its ability
to perform its obligations under this Agreement.

                  3. MUNICIPALITY shall provide to COMPANY (and if COMPANY
requests, to any financial institution providing financing for the Facility or
credit


                                      -14-
<PAGE>   15

support for any  refinancing of the Facility) an opinion of its legal counsel to
the effect of Paragraphs 1 through 2.

            ARTICLE III. OPERATION OF THE FACILITY

            A. COMPANY shall, except as otherwise expressly provided for herein:

                  1.  Either  operate  and  maintain  the  Facility  so as to be
capable of receiving  and  combusting  Acceptable  Waste in quantities up to the
aggregate  Guaranteed  Plant Capacity  Shares of all Charter  Municipalities  or
arrange for the disposal of such Acceptable  Waste in the manner provided herein
for  By-Pass  Waste;  provided,  however,  that  COMPANY  shall  in no  event be
obligated to accept or process Unacceptable Waste; and

                  2. Require any operator of the Facility (including COMPANY, if
applicable)  to operate the Facility in accordance  with  standards that are not
lower than the General Duties (as that term is defined in the current Operations
and Maintenance Agreement between COMPANY and ESOCO Orrington, Inc.).

            B. COMPANY shall use reasonable  efforts to maintain the Facility in
a  manner  which  will  minimize  any  adverse  impact  upon  residents  of  the
surrounding area, including the following:

                  1. all waste and waste by products shall be screened from
public view by natural buffers or man-made barriers;

                  2. vehicular access to the Facility shall be restricted during
non-Delivery Hours;

                  3. the premises of the Facility, except for storage areas,
shall be kept reasonably free of litter and other debris other than in its
designated location; and

                  4. roads on the premises of the Facility shall be kept in good
order and repair.

            C. COMPANY  shall  accept  Acceptable  Waste at the Facility  during
Delivery Hours only,  except that if in the event of a natural disaster or other
emergency  condition,  MUNICIPALITY  requests COMPANY to accept Acceptable Waste
outside of Delivery Hours,


                                      -15-
<PAGE>   16

COMPANY shall make a reasonable  effort to  accommodate  MUNICIPALITY's  request
provided  MUNICIPALITY  agrees to pay any  additional  expenses that COMPANY may
incur in accommodating  such request.  If COMPANY determines that it is not able
to accommodate such request, its determination shall be final. In case of such a
determination,  COMPANY will make a reasonable  effort to locate an  alternative
disposal or storage site for such Acceptable Waste.

            D. The marketing of energy  products and  materials  produced by the
Facility, including the pricing thereof, shall be sole and exclusive prerogative
of  COMPANY  and  COMPANY,  except  as  otherwise  set  forth  herein  shall  be
exclusively  entitled to any benefits  derived from the sale of any materials it
may recover from Acceptable Waste.

            E. COMPANY  shall be  responsible  at its cost for  disposing of all
Residue  generated  by the  Facility  and all By-Pass  Waste except as otherwise
provided  for in this  Agreement  but  MUNICIPALITY  shall  bear  all  costs  of
delivering  waste to the  Facility,  including  the costs of operating  transfer
stations and all costs of removing any  significant  quantities of  Unacceptable
Waste delivered to the Facility by MUNICIPALITY or its agents.

            ARTICLE IV. WEIGHING

            A. Except as otherwise  provided  herein,  COMPANY shall operate and
maintain  for use by  MUNICIPALITY,  a  container  and/or  motor truck scale (or
scales)  to weigh all  vehicles  of up to sixty  (60) feet in length  delivering
Acceptable Waste to the Facility for disposal. COMPANY shall provide for regular
inspections  of  the  scale(s)  by  the   appropriate   public   officials  with
responsibility  for certifying  weights and measures to ensure their  reasonable
accuracy,  such  inspection to be conducted not less than annually,  and at such
other times as MUNICIPALITY at its expense deems  necessary.  COMPANY shall have
available a backup scale for use when installed scales are inoperative.

            B. Deliveries by MUNICIPALITY shall be recorded separately. COMPANY
and MUNICIPALITY shall jointly establish reasonable procedures to ensure proper
vehicle identification and weighing of loads. Unless otherwise agreed, each
incoming and


                                      -16-
<PAGE>   17

outgoing  waste  vehicle  shall be weighed with gross  weight,  time,  and truck
identification indicated on a weigh record.  MUNICIPALITY,  COMPANY and operator
of each weighed  vehicle shall  receive a copy of the weigh  ticket.  Each weigh
ticket shall include at least the following information:

            * Date and Time

            * Hauler Code

            * Vehicle I.D. number

            * Tons delivered (to nearest hundredth of a ton)

COMPANY  shall retain all weigh  tickets for a period of not less than one year.
The weigh records shall be used by COMPANY and  MUNICIPALITY  as a basis for the
calculations   required   herein  and  shall  be  verified  at  least  annually.
MUNICIPALITY  shall have the right to inspect  COMPANY's  weigh  records upon 24
hours prior written notice.  Such inspections shall be conducted during business
hours  in  such  a  manner  as  to  not  unreasonably  interfere  with  Facility
operations.

            C. If all weighing  facilities are  inoperative or are being tested,
COMPANY  shall  estimate the  quantity of waste  delivered on the basis of truck
volumes and estimated data obtained through historical  information pertinent to
MUNICIPALITY.  These estimates  shall take the place of actual weighing  records
during the scale outage.

            D. In the event  Acceptable  Waste is directed  to another  facility
under the  provisions  of this  Agreement,  the  weight  records of the place of
disposal,  absent  manifest  error,  shall be used to  determine  the tonnage of
Acceptable Waste for purposes of this Agreement.

            E. COMPANY agrees to notify  MUNICIPALITY  and the Municipal  Review
Committee of the amount of recycled waste  delivered to the Facility that can be
credited  toward its recycling goals for the purpose of compliance and reporting
under the Maine  Comprehensive  Solid  Waste Act and to  provide  the  Municipal
Review  Committee  on an annual  basis  the  aggregate  amount of such  credited
recycled  waste,  to the  extent  allowed  by the State  Planning  Office or any
successor.


                                      -17-
<PAGE>   18

            ARTICLE V. DELIVERY OF WASTE TO COMPANY

            A.  MUNICIPALITY  will use its best efforts to cause to be delivered
to the Facility in self  discharging  equipment of the general type specified in
Schedule G the Acceptable Waste collected by it and other Acceptable Waste under
its control up to its Guaranteed  Plant Capacity Share and will adopt reasonable
measures to prevent the disposal of Unacceptable Waste at the Facility.

            B. MUNICIPALITY shall use its best efforts to cause to be delivered
to the Facility the Acceptable Waste per operating month as shown on Schedule A.

            C. COMPANY agrees that  MUNICIPALITY may at its option,  at any time
or from time to time during the term of this  Agreement,  if MUNICIPALITY is not
then in default  hereunder,  increase its  Guaranteed  Annual Tonnage (and, as a
consequence,  its Guaranteed  Plant  Capacity  Share) upon giving written notice
thereof  to  COMPANY;  provided,  however,  that  MUNICIPALITY  may not,  by the
exercise of the option  granted in this  paragraph C,  increase  its  Guaranteed
Annual  Tonnage  to more  than  125%  of its  Reference  GAT.  The  increase  in
Guaranteed  Annual  Tonnage  shall  take  effect as of  January 1 of the  second
calendar year  following the calendar  year in which  COMPANY  receives  written
notice from MUNICIPALITY of the increase.

            D.  COMPANY  agrees that the Charter  Municipalities  may pool their
rights to increase their  Guaranteed  Annual  Tonnage under  paragraph C of this
Article V or similar provisions of other waste disposal  agreements with COMPANY
(substantially  similar to the Outstanding Agreement or this Agreement) so as to
permit any Charter  Municipality,  if it is not then in default  under its waste
disposal  agreement with COMPANY and subject to the prior written consent of the
Municipal  Review  Committee  delivered to COMPANY,  to increase its  Guaranteed
Annual  Tonnage to more than 125% of its Reference GAT then in effect;  subject,
however, to the following  conditions,  which are hereby consented and agreed to
by MUNICIPALITY and the Municipal Review Committee:


                                      -18-
<PAGE>   19

                  1. Following such increase, the aggregate Guaranteed Annual
            Tonnages of all Charter Municipalities shall not exceed 225,000
            tons;

                  2.  In  the  event  of  any  such  pooling,  the  right  of an
            individual  Charter  Municipality to increase its Guaranteed  Annual
            Tonnage by 125% of its Reference GAT then in effect shall be limited
            to the extent  necessary  to assure  that the  aggregate  Guaranteed
            Annual  Tonnages  of all  Charter  Municipalities  does  not  exceed
            225,000 tons, with any conflicts among Charter  Municipalities as to
            the  allocation  among  them  of  any  necessary  limitations  to be
            resolved by the Municipal Review Committee;

                  3.  Following  any such  increase and on or before  January 1,
            2003,  the  Guaranteed   Annual  Tonnage  of  all  Amending  Charter
            Municipalities  in the  aggregate  shall not be less than 51% of the
            Guaranteed  Annual  Tonnage  of all  Charter  Municipalities  in the
            aggregate; and

                  4.  The  right  of  the  Charter   Municipalities,   including
            MUNICIPALITY,  to increase its Guaranteed  Annual Tonnage under this
            paragraph D and  COMPANY's  obligation to accept  increased  tons of
            waste  shall at all times be  governed  by and  subject to the waste
            processing capacity of the Facility from time to time.

The increase in Guaranteed  Annual  Tonnage shall take effect as of January 1 of
the second  calendar year following the calendar year in which COMPANY  receives
written notice from the Municipal Review Committee of the increase.

            E.  MUNICIPALITY may at any time and from time to time, if it is not
then in  default  hereunder,  and  with the  approval  of the  Municipal  Review
Committee,  decrease its  Guaranteed  Annual Tonnage (and its Reference GAT) for
purposes of this Agreement if one or more other Amending Charter  Municipalities
increase their Guaranteed Annual Tonnages (and their Reference GATs) by the same
aggregate   amount  under  their  waste   disposal   agreements   with  COMPANY.
Correspondingly, MUNICIPALITY may increase its Guaranteed Annual Tonnage


                                      -19-
<PAGE>   20

hereunder (and its Reference GAT) by agreeing to increase its Guaranteed  Annual
Tonnage  in  response  in whole or in part to a  corresponding  decrease  in the
Guaranteed  Annual  Tonnage (and  Reference  GAT) of one or more other  Amending
Charter  Municipalities  under their waste disposal agreements with COMPANY. Any
such  decreases and increases in Guaranteed  Annual  Tonnage (and Reference GAT)
shall be effected by  delivery to COMPANY of written  notice from the  Municipal
Review  Committee of the amount of such decreases and increases and the Amending
Charter Municipalities affected thereby. Such decreases and increases shall take
effect as of the January 1 of the  calendar  year next  succeeding  the calendar
year in which such  notice is  received  by  COMPANY  if the notice is  received
before  September  1, or, if such  notice is  received  by  COMPANY  on or after
September 1, as of January 1 of the second succeeding calendar year.

            F.  Following  the  effective  date of increases or decreases in the
Guaranteed  Annual  Tonnage  of  MUNICIPALITY  or  any  other  Amending  Charter
Municipality, as permitted by paragraph E, COMPANY shall promptly amend Schedule
B to this  Agreement to reflect such  increases  and  decreases in the Reference
GATs of the Amending Charter  Municipalities and provide to the Municipal Review
Committee a copy thereof, and thereupon such Schedule B shall be amended for all
purposes  of this  Agreement.  Furthermore,  upon the  addition  of an  Amending
Charter Municipality, COMPANY shall promptly amend Schedule B to this Agreement,
as requested by the  Municipal  Review  Committee,  to reflect such addition and
provide to the Municipal  Review  Committee a copy thereof,  and thereupon  such
Schedule B shall be amended for all purposes of this Agreement.

            G. All Acceptable Waste delivered to the Facility by MUNICIPALITY or
directed to another facility during a Suspension of Operations shall be credited
toward  MUNICIPALITY'S  Guaranteed Annual Tonnage and all Acceptable Waste shall
become the property of COMPANY after it is delivered to the Facility.

            H. For the duration of this Agreement, MUNICIPALITY shall be
obligated to deliver Acceptable Waste to COMPANY equal to its Guaranteed Annual
Tonnage or pay any amounts due under paragraph I of this Article. Only
Acceptable Waste which originates


                                      -20-
<PAGE>   21

from  within  MUNICIPALITY  or,  with the  written  consent  of  COMPANY,  which
MUNICIPALITY  otherwise  causes to be so  delivered,  shall be  delivered to the
Facility by or on behalf of  MUNICIPALITY  and credited  towards its  Guaranteed
Annual  Tonnage.  For purpose of determining  whether  MUNICIPALITY  has met its
Guaranteed  Annual  Tonnage,  no  credit  shall  be given  to  MUNICIPALITY  for
Acceptable  Waste  delivered  to the  Facility  during  the  last  month  of the
Operating  Year in excess of 150% of the normal  monthly  tonnage  specified  in
Schedule A unless such excess  Acceptable  Waste is  actually  processed  by the
Facility.

            I. On an Operating Year basis, if the aggregate amount of Acceptable
Waste credited during the Operating Year to all of the Charter Municipalities is
less than the aggregate Guaranteed Annual Tonnage of all Charter  Municipalities
(for reasons  other than Force  Majeure or  Termination  of  Operations),  those
municipalities  which did not meet their Guaranteed  Annual Tonnage  requirement
shall make a payment,  as described below,  based on their pro-rata share of the
shortfall in tonnage. The payment shall be calculated as follows: municipality's
pro-rata  share  of  an  additional  fee  for  the  shortfall  computed  by  (i)
multiplying  the  aggregate  shortfall  in  tonnage  by  the  Tipping  Fees  (as
determined  by taking the  average  Tipping Fee in effect  during the  Operating
Year)  which the  Charter  Municipalities  would  have paid to  COMPANY  had the
Guaranteed Annual Tonnage of all Charter Municipalities been credited during the
Operating  Year in  question,  and  adding  (ii)  COMPANY's  cost of  purchasing
Supplemental  Fuel equal in BTU value to the shortfall using the actual measured
BTU value per pound of Acceptable  Waste over such Operating  Year. This payment
shall  be  made  not  later  than  the  March  1  or  thirty   (30)  days  after
reconciliation  pursuant  to  Paragraph  F of  Schedule  C  next  following  the
Operating  Year in  which  such  shortfall  in  aggregate  Charter  Municipality
Guaranteed Annual tonnage was not delivered.

            ARTICLE VI. DETERMINATION OF TIPPING FEE

            A. Tipping Fees. From and after April 1, 1991, MUNICIPALITY shall
pay COMPANY a Tipping Fee calculated and adjusted as provided on Schedule C
attached hereto. The Tipping Fee payable to COMPANY shall be calculated by
multiplying the Tipping


                                      -21-
<PAGE>   22

Fee in effect during the period of deliveries of Acceptable Waste, by the number
of tons of Acceptable Waste that MUNICIPALITY caused to be delivered to Facility
or caused to be delivered to another waste facility at the direction of COMPANY,
which tonnage is based on weight  records  referred to in Article IV hereof,  as
tallied  and  formulated  into  invoices  on a monthly  basis and  submitted  to
MUNICIPALITY by COMPANY.

            B.  Invoices;  Payment.  Payment of the Tipping  Fees (and any other
amounts listed on the invoices) shall be made by MUNICIPALITY within thirty (30)
days of its receipt of said  invoices.  Any late payments shall bear interest at
lesser of 1.5% per month or the rate of interest  announced by Bank of Boston or
its successor as its prime or base rate of interest, adjusted daily, plus 2% per
annum.

            C.  Components of Tipping Fee. The two components of the Tipping Fee
shall be first the Base Rate as defined on Schedule C, and second,  the Variable
Rate as defined on Schedule C attached  hereto.  The Base Rate shall be adjusted
(up or down) on the first day of each January commencing with January 1, 1992 by
a  percentage  equal to the  annual  percentage  change  in the  CPI-U as of the
immediately preceding September from that of the September of the prior year and
the Variable Rate shall be adjusted (up or down)  quarterly  commencing  July 1,
1991 as set forth on  Schedule  C. The  Tipping  Fee to be paid by  MUNICIPALITY
shall be adjusted in accordance with the terms of Schedule C attached hereto.

            D. The provisions of this  Agreement  relating to payment of Tipping
Fees,  Guaranteed Annual Tonnage and other  requirements which are based upon an
Operating  Year basis shall be modified  to reflect the  percentage  of the year
during which the  Facility  operates or the  percentage  of the year after which
MUNICIPALITY  begins  delivery  or  the  percentage  of  the  year  prior  to  a
termination.  For this purpose,  all Operating Year  requirements to be adjusted
shall be  multiplied  by a  fraction,  the  numerator  of which is the number of
months  during which the Facility  has  operated and  fractions  thereof and the
denominator of which is twelve (12).


                                      -22-
<PAGE>   23

            E. COMPANY may add a surcharge on the Tipping Fee imposed by COMPANY
for  delivery  and  acceptance  of  Specially  Permitted  Waste by  MUNICIPALITY
provided  that such  surcharge  shall not exceed an amount  necessary  to offset
COMPANY's  incremental  costs  of  handling  and  disposing  of  such  Specially
Permitted  Waste,  and,  if  applicable,  the lower BTU value of such  Specially
Permitted Waste.

            ARTICLE VII. CAPITAL AND MAINTENANCE RESERVE ACCOUNT

            A. COMPANY has  established  and shall fund an account  entitled the
Capital and Maintenance Reserve Account ("CMRA"). All amounts funded at any time
by COMPANY in the CMRA shall be held by Fleet Bank or its successor  pursuant to
a Custodial Agreement, dated on or about June 13, 1991, and shall be used solely
for  Capital or  Maintenance  Expenditures  as defined  in  paragraph  G of this
Article.  MUNICIPALITY and the other Charter Municipalities shall be entitled to
a  first  possessory  priority  lien  on  amounts  in the  CMRA  to  secure  the
performance by COMPANY of its obligations to MUNICIPALITY and the other Amending
Charter Municipalities pursuant to this Agreement and similar agreements and the
other Charter  Municipalities  pursuant to their respective Charter Municipality
agreements;  provided,  however, that no entity (including,  without limitation,
MUNICIPALITY)  other than the Municipal  Review  Committee  shall be entitled to
enforce such lien on behalf of Charter  Municipalities  or to effect any set-off
against amounts held in such Account.

            B. There shall be paid into the CMRA during each Operating Year from
payment  of  the  Tipping   Fees  paid  by   MUNICIPALITY   and  other   Charter
Municipalities  an amount equal to the Monthly  Reserve  Fund  Amount,  which is
defined and computed pursuant to paragraph C of this Article.

            C. The Monthly Reserve Fund Amount shall be calculated as follows:

                  (i) for  each  Operating  Year  commencing  April 1,  1991,  a
deposit of  $116,667  per month (or a  fraction  thereof  as  described  below),
adjusted up or down as of the first day of each Operating Year  commencing on or
after January 1, 1992 by a percentage equal to the


                                      -23-
<PAGE>   24

percentage  change in the CPI-U for  September 30 of the  immediately  preceding
Operating  Year as compared to the CPI-U for April  1991.  (Until the  aggregate
Guaranteed  Annual Tonnage of MUNICIPALITY and all other Charter  Municipalities
("Charter  Tonnage")  reaches 216,480 tons per year, the deposit of $116,667 per
month,  as  adjusted,  shall be  reduced  to an  amount  that is  determined  by
multiplying  $116,667  by a  fraction,  the  numerator  of which is the  Charter
Tonnage and the denominator of which is 216,480 tons); and

                  (ii) in the event that in the judgment of COMPANY,  consistent
with  paragraph H, the amount in the CMRA at the end of any Operating  Year will
exceed $5 million,  COMPANY will, as of the  beginning of such  Operating  Year,
reduce the Base Rate  portion of the Tipping Fee for that  Operating  Year by an
aggregate  amount equal to the amount of such excess.  Such Base Rate  reduction
will be calculated on a per ton of Acceptable Waste basis based on the aggregate
Guaranteed  Annual  Tonnage of all  Charter  Municipalities  applicable  to such
Operating  Year.  COMPANY shall also reduce the Monthly  Reserve Fund Amount for
such Operating Year by an amount equal to the amount of such excess,  divided by
twelve (12).

            D. The  failure  of  COMPANY  to deposit in any year or month in the
CMRA any amounts required to be deposited therein by it by reason of the failure
of MUNICIPALITY or any Charter Municipality to pay any amounts due COMPANY shall
not constitute a default by COMPANY of any of its obligations under this Article
VII.

            E. All monies in the CMRA shall be invested and  reinvested  in such
obligations  issued  or  guaranteed  by the  United  States  of  America  as the
Custodian shall determine.  The Custodian shall not be liable or responsible for
any  depreciation  of the value of any investment made by it. Interest earned or
accrued on any monies or  investments  in the CMRA shall be held in and credited
to the CMRA for the purposes thereof.

            F. COMPANY shall be entitled to withdraw from the CMRA those amounts
determined by it at the time of such withdrawal,  to pay, or to reimburse itself
for,  any  Capital or  Maintenance  Expenditures  paid or  incurred by it in the
Operating  Year in which such Capital or Maintenance  Expenditure is made.  When
COMPANY withdraws funds from the


                                      -24-
<PAGE>   25

CMRA, it shall furnish a statement to the Municipal Review Committee  certifying
that the funds withdrawn are for Capital or Maintenance Expenditures,  including
a description of the  expenditure  and  substantiation  of the costs. If COMPANY
withdraws funds from the CMRA due to an event covered by an insurance  policy or
subject to a warranty or third party claim,  COMPANY will use good faith efforts
to recover any amounts owed, and deposit into the CMRA any insurance proceeds it
recovers or damages it collects,  minus reasonable  expenses incurred (including
any attorneys fees) by COMPANY.

            G. "Capital or Maintenance Expenditures" shall consist only of those
costs,  fees,  expenses  and  liabilities  paid by or incurred by COMPANY in the
construction,  acquisition, operation or maintenance of the Facility for Capital
or  Maintenance  Expenditures.  Capital or  Maintenance  Expenditures  shall not
include such costs, fees,  expenses and liabilities paid or incurred as a result
of  a  Change-in-Law  which  are  included  in  the  full  amount  thereof  as a
Change-in-Law  cost for  purposes  of  computing  the  Variable  Rate.  "Capital
Expenditures"  means only those amounts  recorded in accordance  with  Generally
Accepted Accounting  Principles ("GAAP") in respect of any period by COMPANY for
the  purchase  or  acquisition  for  value of fixed or  capital  assets  for the
Facility.  "Maintenance  Expenditures"  means all  expenditures  for  repairs or
modifications to existing  equipment  whether or not due to normal wear and tear
to the Facility or maintenance work performed spontaneously during the operation
of the Facility,  in excess of $20,000  individually  for any one item or in the
aggregate for any series of related items.  Maintenance  Expenditures  shall not
include items  included as "Scheduled  Maintenance"  on COMPANY's  annual budget
which  includes  quarterly  boiler  grate  cleaning  and  annual  minor  turbine
inspections.

            H. As part of the  annual  budget  to be  prepared  by  COMPANY  and
submitted to the Municipal Review  Committee,  COMPANY will show projected uses,
to the extent then known, of the CMRA for the next Operating Year.

            I. If as of May 10, August 10, November 10 or February 10, the
cumulative amounts of money deposited in the CMRA in the first quarter, second
quarter, third


                                      -25-
<PAGE>   26

quarter or fourth quarter, respectively, of any Operating Year are less than the
cumulative  amounts of money that should have been deposited in the CMRA in said
quarter  ("Cumulative CMRA  Shortfall"),  and if COMPANY within twenty (20) days
next following either May 10, August 10, November 10 or February 10, as the case
may be, does not fund the Cumulative CMRA Shortfall, then Charter Municipalities
may withhold from their future monthly  Tipping Fee payments an amount up to the
Cumulative CMRA Shortfall.  The Municipal  Review  Committee shall determine the
amount to be  withheld by each  Charter  Municipality,  including  MUNICIPALITY,
which  amount  along  with  that  portion  of  the  then  current   Tipping  Fee
attributable  to  MUNICIPALITY's  contribution  to the CMRA (the  "CMRA  Account
Payment") as determined by the Municipal  Review  Committee shall be paid to the
Municipal Review  Committee to be held in escrow.  The CMRA Account Payments may
be  withheld in escrow only to the extent and only as long as any portion of the
Cumulative CMRA shortfall  remains.  Once the Cumulative CMRA Shortfall has been
paid into the CMRA account,  the Municipal Review Committee shall within two (2)
days release the CMRA  Account  Payments in escrow to COMPANY for deposit in the
CMRA; provided,  however, if COMPANY cures any shortfalls to the extent that the
release of any money from  escrow  would  bring the amount  current,  said money
shall be released.

            J. If pursuant to Article  VIII(C),  this  Agreement  is  terminated
prior to March  31,  2018,  the  balance  (if any) in the CMRA as of the date of
termination  shall be distributed to COMPANY and MUNICIPALITY (and other Charter
Municipalities  whose agreements will similarly be terminated) as follows: a pro
rata share,  based on the proportion of COMPANY's  contributions  to CMRA to the
Charter Municipalities'  contributions to the CMRA, with COMPANY's proportionate
share to be paid to COMPANY and the Charter  Municipalities' share to be divided
among  the  Charter   Municipalities  as  determined  by  the  Municipal  Review
Committee.

            K. Notwithstanding any provision of this Agreement to the contrary,
a pro rata share, based on the proportion of the Reference GAT of MUNICIPALITY
to the


                                      -26-
<PAGE>   27

aggregate Reference GATs for all Charter Municipalities, of the balance (if any)
remaining in the CMRA shall be paid to MUNICIPALITY if this Agreement is in full
force and  effect  on March 31,  2018 and  MUNICIPALITY  is not then in  default
hereunder.  COMPANY shall be entitled to all amounts that  otherwise  would have
been  allocable to Charter  Municipalities  which  terminated  their  respective
agreements effective prior to March 31, 2018.

            ARTICLE VIII. TERM OF AGREEMENT; TERMINATION

            A.  The  term of  this  Agreement,  as it  extends  the  term of the
Outstanding  Agreement (which began on April 1, 1991), shall be from the Closing
Date through March 31, 2018, unless earlier terminated as herein provided.

            B. [Intentionally Reserved]

            C. If as a result of a  termination  notice or notices  received  by
COMPANY   from   Charter   Municipalities   that   are  not   Amending   Charter
Municipalities,  the  aggregate  Guaranteed  Annual  Tonnage  of  nonterminating
Charter  Municipalities  (based upon Guaranteed  Annual Tonnage in effect at the
time of  giving  of such  notice(s)),  together  with the  tonnage  of all other
municipalities  delivering waste under long-term waste disposal  agreements with
COMPANY,  will  fall  below  155,000  tons  after  the  effective  date  of such
termination,  COMPANY may elect to  terminate  all of the  Charter  Municipality
agreements,  including this Agreement.  If COMPANY makes this election, all then
effective  Charter  Municipality  agreements shall terminate on either March 31,
2000,  March 31, 2002,  or March 31,  2004,  as the case may be,  unless  before
either March 31, 2000,  March 31, 2002,  or March 31, 2004,  as the case may be,
the  non-terminating  Charter  Municipalities  exercise any one of the following
options.

            COMPANY shall promptly provide to the Municipal Review Committee
copies of termination notices from Charter Municipalities that are not Amending
Charter Municipalities and a statement as to the amount of the Charter
Municipality aggregate Guaranteed Annual Tonnage capacity (if any) made
available as a result of the notices and the amount of the shortfall below
155,000 tons created as a result of each such notice. The Municipal Review


                                      -27-
<PAGE>   28

Committee  will have one  hundred and twenty  (120) days to  exercise  either an
option  (1) to arrange  for a  reallocation  of the  Guaranteed  Annual  Tonnage
capacity  created as a result of the  notices or (2) to arrange  for  Guaranteed
Annual Tonnage under a substitute waste disposal  agreement  containing the same
terms as this Agreement.  If the Municipal Review  Committee  exercises all or a
portion of the first option, it shall notify COMPANY and Charter  Municipalities
as to which  Charter  Municipalities  the  capacity  shall be  allocated,  to be
effective on the effective date of the applicable termination and said notice(s)
shall constitute an increase to that  Municipality's  Guaranteed Annual Tonnage;
provided, however, no such reallocation on or before January 1, 2003 shall cause
the aggregate  Guaranteed Annual Tonnage of all Amending Charter  Municipalities
to be less than 51% of the aggregate  Guaranteed  Annual  Tonnage of all Charter
Municipalities.  If the Municipal Review Committee exercises all or a portion of
the second option,  then the  municipality  entering into the  substitute  waste
disposal  agreement shall be an Amending Charter  Municipality and the effective
date of its agreement  shall be the same as the effective date of the applicable
termination;  provided,  however,  that such Amending Charter Municipality shall
not have rights of  Amending  Charter  Municipalities  to receive  warrants  for
shares  of  common  stock of Bangor  Hydro,  as  contemplated  by  Article  XII,
paragraph  E, or to  purchase  limited  partnership  interests  in  COMPANY,  as
contemplated  by Article XIX.  COMPANY will cooperate with the Municipal  Review
Committee in its efforts to obtain  replacement  tonnage.  The Municipal  Review
Committee can only obtain  replacement  tonnage in order to meet the 155,000 ton
minimum or such  greater  amount of  Guaranteed  Annual  Tonnage as COMPANY  may
approve in writing. If as a result of the exercise of this option, the aggregate
Guaranteed Annual Tonnage of the remaining Charter Municipalities, together with
the tonnage of all other  municipalities  delivering waste under long-term waste
disposal  agreements  with  COMPANY,  meets or  exceeds  155,000  tons as of the
effective date of the termination  notices,  COMPANY shall not have the right to
terminate the remaining Charter Municipality agreements under this paragraph C.


                                      -28-
<PAGE>   29

            Notwithstanding the immediately  preceding paragraph,  COMPANY shall
not have the right to terminate the remaining Charter  Municipality  agreements,
including this  Agreement,  under this  paragraph C if (i) the Municipal  Review
Committee  causes to be paid to COMPANY  the full  amount of  Tipping  Fees that
would otherwise have been payable under the Charter Municipality  agreements and
in the same manner as the put-pay obligations are paid in this Agreement,  as if
the  aggregate   Guaranteed  Annual  Tonnage  under  such  Charter  Municipality
agreements were 155,000 tons, and (ii) the aggregate  Guaranteed  Annual Tonnage
under  all  Charter  Municipality  agreements  then in  effect  is not less than
140,000 tons.

            In  consideration  of the  option  granted to the  Municipal  Review
Committee in this  paragraph C, the Municipal  Review  Committee  agrees that it
shall  continue to consent to COMPANY  entering into  long-term  waste  disposal
agreements on terms  substantially  similar to those contained in this Agreement
with any municipality other than the City of Ellsworth and the Towns of Newport,
Pittsfield, Detroit, Monroe, Prospect, Winterport and Frankfort, Maine, to which
the Municipal Review Committee has otherwise  consented until a total of 180,000
tons of Guaranteed Annual Tonnage has been achieved and, thereafter, in order to
maintain at least 180,000 tons of Guaranteed Annual Tonnage.  The option granted
to the Municipal Review Committee in this paragraph C is further  conditioned on
and shall remain  effective only so long as no Charter  Municipality has filed a
civil action or initiated an arbitration  proceeding against COMPANY alleging or
based  upon an  infirmity  in the  Municipal  Review  Committee's  consent  or a
violation or breach of Article  XXXIII of this  Agreement  or the other  Charter
Municipality agreements;  provided that COMPANY may waive this limitation on the
effectiveness of such amendments.

            D. [Intentionally reserved]

            E. No termination of this Agreement  shall relieve  MUNICIPALITY  of
its  obligation  to make any  Tipping  Fee  payments  (including  any  remaining
balances of  Change-in-Law  costs as set forth in Schedule C) or either party of
any indemnity or payment  obligations with respect to waste delivered or matters
occurring on or before the effective date of termination


                                      -29-
<PAGE>   30

hereunder, and upon termination, MUNICIPALITY and COMPANY shall execute a mutual
release of the other with only such exceptions specified in this paragraph E.

            ARTICLE IX. UNACCEPTABLE AND HAZARDOUS WASTE

            Unacceptable Waste shall be handled in the following manner:

            A. COMPANY's  weigh station  operator shall have authority to reject
all loads of waste  delivered  to the Facility on behalf of  MUNICIPALITY  which
have significant  amounts of Unacceptable  Waste. The determination of the weigh
station  operator  or other agent of  COMPANY,  if made in good faith,  shall be
binding on MUNICIPALITY.  COMPANY shall  immediately  notify the MUNICIPALITY of
any rejected  loads and shall provide to it  particulars  about the hauler,  the
reason for rejection and the  information  on the weight ticket  provided for by
Article IV hereof, for that rejected load. MUNICIPALITY shall notify all haulers
delivering waste on its behalf of what constitutes Unacceptable Waste.

            B. Subject to the  provisions  of  paragraph  A,  COMPANY  shall not
knowingly  permit any delivery by any person at the Facility of Hazardous  Waste
or  Unacceptable   Waste.   COMPANY  shall  exercise   reasonable  care  in  the
identification  and  extraction  from the waste  stream of  Hazardous  Waste and
Unacceptable  Waste  received at the  Facility.  If the  probable  source of the
Hazardous  Waste  or  Unacceptable  Waste  can be  identified  as  MUNICIPALITY,
MUNICIPALITY  shall  either  immediately  remove such waste from the Facility or
reimburse COMPANY for all costs incurred by the COMPANY in the required clean-up
of such waste.

            ARTICLE X. SUSPENSION OF OPERATIONS

            A. If a Suspension of  Operations  occurs,  COMPANY  shall  promptly
advise MUNICIPALITY of such occurrence,  its effect on the ability of COMPANY to
accept  Acceptable  Waste from  MUNICIPALITY  at the  Facility  and its probable
duration.  During a Suspension of Operations  COMPANY shall, in consideration of
the  Tipping  Fee,  provide  for  and pay for  the  disposal  of  MUNICIPALITY's
Acceptable  Waste and other Charter  Municipalities'  Acceptable Waste up to the
aggregate Guaranteed Plant Capacity Share of the Charter


                                      -30-
<PAGE>   31

Municipalities.  COMPANY shall use its best efforts to resume normal  operations
at the Facility at the earliest  practicable  time. So long as COMPANY meets its
obligations hereunder it shall not be deemed in default of this Agreement.

            B.  During  a  Suspension   of   Operations,   COMPANY  may  require
MUNICIPALITY  to deliver its Acceptable  Waste to an alternative  waste disposal
facility.  COMPANY  shall use its best  efforts to arrange for said  alternative
waste  facility in close  proximity to the Facility with due regard for costs of
each of the parties.  COMPANY  shall pay any  incremental  transportation  costs
incurred by MUNICIPALITY or its members as a result of delivering  By-Pass Waste
to such alternative waste disposal facility,  but only if such alternative waste
disposal  facility is located a distance  greater  than 10 miles radius from the
intersection  of Union and Main  Streets in Bangor.  MUNICIPALITY'S  incremental
transportation  costs shall include a reasonable mileage allowance for vehicular
use, added labor costs,  and, if applicable,  any  additional  storage  capacity
required  by  MUNICIPALITY  as the result of a  decrease  in the number of waste
deliveries that can be made in a given day due to an increase in distance.

            C. COMPANY may periodically  suspend  operations for maintenance and
repair purposes and shall use its best efforts to schedule such  maintenance and
repairs at periods  when  delivery  of a low  quantity  of  Acceptable  Waste is
anticipated and at periods of any energy  purchaser's  off-peak demand.  COMPANY
shall use its best  efforts  to give  thirty  (30) day prior  written  notice to
MUNICIPALITY  of a scheduled  Suspension of Operations,  indicating the expected
time, duration and nature of such Suspension of Operations.

            ARTICLE XI. DAMAGE OR DESTRUCTION

            If the Facility or any substantial  portion thereof is so damaged or
destroyed  by fire,  the elements or other  casualty  that it is not feasible to
restore,  repair or reconstruct the Facility,  a Termination of Operations shall
be deemed to have occurred and this Agreement shall be automatically  terminated
as of the date of such occurrence  without any further  liability on the part of
any party  except  for  accrued  and unpaid  Tipping  Fees  including  remaining
balances  of  Change-in-Law  costs  as set  forth in  Schedule  C,  payments  to
reimburse COMPANY for expenses


                                      -31-
<PAGE>   32

incurred or paid by it to dispose of Unacceptable  Waste and Performance  Credit
amounts accrued or earned but unpaid.

            ARTICLE XII. MUNICIPAL REVIEW COMMITTEE

            A. In order to facilitate  review of Facility  operations and of the
performance  and the  interfacing of the numerous  Charter  Municipalities  with
COMPANY  and  Bangor  Hydro  during  the  life of this  Agreement,  the  Charter
Municipalities   have  formed  the  Municipal   Review  Committee  to  serve  as
representative  for the Charter  Municipalities.  The Municipal Review Committee
has established bylaws to govern its activities.

            B. The  functions of the  Municipal  Review  Committee,  in general,
shall  encompass  review  of  COMPANY's  financial  operating   information  and
monitoring of COMPANY  expenses,  Tipping Fee adjustments  and of  Change-in-Law
costs.  COMPANY  shall  provide  monthly and  annually to the  Municipal  Review
Committee operation and performance reports of the Facility.

            C.  COMPANY  will  notify  the  Municipal  Review  Committee  of any
material  adverse  change or  potential  change in the  financial  condition  of
COMPANY  which in its opinion  could  result in a cessation of  operations.  Any
notice of material  adverse changes under this paragraph shall be signed by each
of  COMPANY'S  general  partners and shall  include,  but not be limited to, the
following circumstances:

            a.    receipt by COMPANY from its lenders of a written notice that
                  an event of default has occurred and is continuing and that
                  such lenders intend to foreclose on the Facility or to take
                  possession thereof;

            b.    the occurrence of any material adverse change, claim or action
                  with  respect to COMPANY  which in its  opinion  would  likely
                  result in the Facility no longer  remaining in the business of
                  being a municipal solid waste disposal facility; or

            c.    a decision by COMPANY to cause the Facility no longer to
                  remain in the business of being a municipal solid waste
                  disposal facility.


                                      -32-
<PAGE>   33

COMPANY  acknowledges its obligation of good faith in the giving of such notices
to the Municipal Review Committee.

            The Municipal Review Committee will have up to ninety (90) days from
COMPANY's notice in which to evaluate the  circumstances and to propose whatever
remedial  action it deems  necessary.  COMPANY  will have up to thirty (30) days
thereafter to provide a response to the Municipal Review  Committee's  proposal,
after which each party  agrees to consider  the  proposals  of the other in good
faith  for a period of up to sixty  (60)  days  before  taking  action(s).  Upon
delivery of any such notice by COMPANY,  the Municipal Review Committee may also
exercise the rights granted in Article XVI hereof.

            D. In conjunction  with the execution and delivery of this Agreement
and pursuant to a Warrant to Purchase  Common Stock,  dated as of  ____________,
1998 (the "Warrant Agreement"),  Bangor Hydro has issued to the Municipal Review
Committee  on  behalf  of  the  Amending   Charter   Municipalities,   including
MUNICIPALITY,  in care and custody of Bangor Savings Bank or another institution
designated by the Municipal Review Committee,  as custodian,  warrants entitling
the holders to acquire one million  shares of common stock of Bangor Hydro.  The
warrants are exercisable as provided in the Warrant Agreement. The warrants will
be held in the custody of Bangor Savings Bank pursuant to a custodial agreement,
of even  date  herewith.  MUNICIPALITY  hereby  irrevocably  delegates,  for the
current  year and, to the extent  permitted  by law, for each future year during
the term of the Warrant  Agreement,  to the Municipal Review  Committee,  as its
agent, sole discretion to exercise or direct the sale of the warrants as further
provided in the MRC  Administration  Authorization  and the custodial  agreement
with Bangor  Savings Bank. The Municipal  Review  Committee has agreed to advise
the Amending Charter  Municipalities  regarding the exercise of the warrants and
to distribute proceeds thereof to the Amending Charter Municipalities,  based on
their respective ownership interests in the warrants.  MUNICIPALITY acknowledges
and agrees that COMPANY has no responsibility or duty whatsoever to MUNICIPALITY
or the  Municipal  Review  Committee  in respect of the warrants or the exercise
thereof.


                                      -33-
<PAGE>   34

            E.  Under  Article  XIX  hereof,  Amending  Charter  Municipalities,
including MUNICIPALITY, are granted the option to participate in the purchase of
limited  partnership  interests in COMPANY and to designate  all or a portion of
the Performance  Credits to be used to pay the purchase price of such interests.
The Municipal  Review Committee shall administer and advise the Amending Charter
Municipalities  regarding the exercise of the option to participate  therein and
whether  to  purchase  such  interests  as  provided  in the MRC  Administration
Authorization.  If MUNICIPALITY  exercises the option to participate as provided
in Article XIX and thus  becomes an Equity  Charter  Municipality,  MUNICIPALITY
hereby  confirms its  irrevocable  authorization  and direction to the Municipal
Review  Committee,  granted  in  the  MRC  Administration  Authorization,   this
Agreement  and the other  agreements  contemplated  by this  Agreement,  for the
current  year and, to the extent  permitted  by law, for each future year during
the term of this  Agreement,  to receive the  Performance  Credits to be paid to
MUNICIPALITY  under  Article  XVIII  and  apply  them  as  provided  in the  MRC
Administration Authorization or in such other manner acceptable to MUNICIPALITY.
MUNICIPALITY  acknowledges and agrees that COMPANY has no responsibility or duty
whatsoever  to  MUNICIPALITY  to advise it as to the  exercise of such option to
participate  in the  purchase of such  limited  partnership  interests or in the
purchase thereof.

            If MUNICIPALITY becomes an Equity Charter Municipality, MUNICIPALITY
hereby  confirms  its  authorization  and  direction  to  the  Municipal  Review
Committee to administer and receive  partnership  distributions  from COMPANY in
the  name  and on  behalf  of  MUNICIPALITY,  as  further  provided  in the  MRC
Administration  Authorization  to be executed by MUNICIPALITY  and the Municipal
Review  Committee as a condition to  exercising  the option to  participate,  as
provided in Article XIX, paragraph C.

            ARTICLE XIII. DEFAULT; LIQUIDATED DAMAGES

            A. Each of the following events shall constitute an "Event of
Default" hereunder:


                                      -34-
<PAGE>   35

                  1. A failure to pay when due and payable any amounts owed one
party to the other and the continuance of such failure for thirty (30) days
after receipt of written notice of nonpayment; or

                  2.  Failure  of  either  party  to  observe  and  perform  any
covenant,  condition  or  agreement  on its  part  required  to be  observed  or
performed by this  Agreement  for a  continuous  period of sixty (60) days after
receipt of written notice from the non-defaulting party, specifying such failure
and  demanding  such failure be  corrected;  provided,  however,  if the failure
stated in the notice cannot be corrected within such period,  the non-defaulting
party will not unreasonably  withhold its consent to an extension of such period
if corrective  action is instituted  within such period and  diligently  pursued
until the default is corrected.

            B.  Whenever  any  Event  of  Default  shall  have  occurred  and be
continuing,  which  Event of  Default  is  substantial  and  concerns a material
provision  of this  Agreement,  the  non-defaulting  party  may  terminate  this
Agreement upon giving thirty (30) days' written notice to the defaulting  party.
This  provision,  however,  is subject to the condition that if, after sending a
notice of termination and prior to the date on which such termination  otherwise
becomes  effective,  the  defaulting  party pays in full any amounts owing under
this  Agreement  or  otherwise  cures  the  Event  of  Default,  the  notice  of
termination  shall be canceled and the parties  shall be restored to their prior
position  under  this  Agreement,  but no such  cancellation  shall  affect  any
subsequent default or impair or exhaust any rights or powers arising therefrom.

            C.  Whenever  an  Event  of  Default  shall  have  occurred  and  be
continuing,  the non-defaulting  party may take whatever action may be necessary
or desirable to collect the payments and other  amounts then due and  thereafter
to become due as provided in this Agreement,  and/or to enforce  performance and
observance of any obligation, agreement or covenant under this Agreement.

            D. [this provision to be adapted for each Charter Municipality based
on applicable  provisions of its existing  waste  disposal  agreement] If at any
time, a Termination  of  Operations  occurs which is not caused by a termination
under Article VIII, Article XI or a Force


                                      -35-
<PAGE>   36

Majeure Event, COMPANY shall pay to MUNICIPALITY,  as liquidated damages in lieu
of all other damages, including special, consequential, or indirect damages, two
hundred and fifty  percent  (250%) of (1) the total Tipping Fees paid to COMPANY
by the  MUNICIPALITY  for  Acceptable  Waste  delivered  to the  Facility  or to
alternate disposal facilities in accordance with this Agreement by it during the
twelve (12) months  immediately  preceding the date on which the  Termination of
Operations  occurred,  or (2) if twelve (12)  months  have not elapsed  from the
commencement of the delivery by MUNICIPALITY of Acceptable  Waste to the date on
which the  Termination  of Operation  occurs,  the total Tipping Fees that would
have been paid by  MUNICIPALITY  to COMPANY had it  delivered to the Facility an
amount of  Acceptable  Waste  equal to its  Guaranteed  Annual  Tonnage for such
Operating Year.

            As  provided  in  the   Outstanding   Agreement  and  other  similar
agreements with the Charter Municipalities,  there is a ceiling in the aggregate
for total  liquidated  damages  that may be paid to the Charter  Municipalities,
except as otherwise provided in the next succeeding  paragraph.  This ceiling is
$5 million, adjusted annually at January 1 (commencing with January 1, 1992) for
changes in the CPI-U as of the immediately  preceding  September 30 from that of
the September of the prior year. A Charter Municipalities' pro rata share of the
ceiling amount is the same ratio as the ratio of its  Guaranteed  Annual Tonnage
to the aggregate of the Guaranteed Annual Tonnage of all Charter  Municipalities
delivering  waste to the  Facility  as of the  date  Termination  of  Operations
occurs.  This  limitation  on liability  for monetary  damages in the event of a
Termination of Operations shall be calculated for all Charter Municipalities and
the  pro  rata  share  of  the  ceiling   amount   allocable  to  those  Charter
Municipalities not constituting Amending Charter Municipalities shall be applied
as a limitation on the amounts payable to such Charter Municipalities.

            In  consideration of the execution and delivery of this Agreement by
MUNICIPALITY and similar  agreements by other Amending  Charter  Municipalities,
COMPANY  hereby  agrees  that the  ceiling  amount  described  in the  foregoing
paragraph and allocable to the


                                      -36-
<PAGE>   37

Amending  Charter  Municipalities  shall  not  apply to the  liquidated  damages
payable to the Amending Charter Municipalities, including MUNICIPALITY.

            It is acknowledged and agreed that the liability of Energy National,
Inc.,  a Utah  corporation  ("ENI"),  as a general  partner of COMPANY,  for the
payment of liquidated damages by COMPANY under this paragraph D shall be limited
to $5 million,  adjusted annually at January 1 (commencing with January 1, 1992)
for changes in the CPI-U as of the immediately  preceding September 30 from that
of the September of the prior year. A Charter  Municipalities' pro rata share of
the  ceiling  amount  applicable  to ENI is the same  ratio as the  ratio of its
Guaranteed  Annual Tonnage to the aggregate of the Guaranteed  Annual Tonnage of
all  Charter  Municipalities  delivering  waste to the  Facility  as of the date
Termination of Operations occurs.

            E. If at any time prior to Termination of Operations,  COMPANY fails
to accept and/or provide for the disposal of Acceptable Waste delivered to it by
MUNICIPALITY  up to its Guaranteed  Plant Capacity Share and such failure is not
caused  by a  Force  Majeure  Event,  COMPANY  shall  pay  to  MUNICIPALITY  all
reasonable costs incurred by MUNICIPALITY in disposing of such Acceptable Waste,
provided that nothing herein  contained  shall be construed to bar  MUNICIPALITY
from obtaining specific  performance of any obligation of COMPANY if such remedy
is otherwise  available.  COMPANY shall not be liable for its refusal or failure
to process any amounts  annually in excess of  MUNICIPALITY'S  Guaranteed  Plant
Capacity  Share,  if at the time such  excess is  proposed  to be  delivered  to
COMPANY,  COMPANY  will not have the  capacity to process such excess based upon
the amount of waste it is receiving from others; provided,  however, that to the
extent the  capacity  is not  available  because of spot  market  tonnage  being
brought in at a Tipping Fee higher than MUNICIPALITY's Tipping Fee, MUNICIPALITY
shall have the option of agreeing to pay such higher Tipping Fee for such excess
in which case COMPANY shall be obligated to accept such waste. COMPANY shall pay
such costs  within  forty-five  (45) days of receipt  of an  itemized  bill from
MUNICIPALITY.


                                      -37-
<PAGE>   38

            F.  In the  event  any  agreement  or  covenant  contained  in  this
Agreement  should be  breached by one party and  thereafter  waived by the other
party, such waiver shall be limited to the particular breach so waived and shall
not be deemed to waive any other breach hereunder.

            ARTICLE XIV. CHANGE IN LAW

            A.  "Change  in  Law"  includes  the  following:  The  promulgation,
adoption,  enactment or change in any law, code,  ordinance or regulation and/or
the rendering of any judgment, order, decree or other governmental action of any
Federal, State or local court, administrative agency, government office, body or
branch,  occurring  subsequent  to January 1, 1991  affecting  the  operation or
maintenance  of the  Facility or the  disposal of Residue,  including  by way of
example but not by way of  limitation a refusal by such a  governmental  body to
grant,  issue or renew  any  required  permit or  license  or  approval  for the
operation  of  the  Facility  unless  changes  in the  Facility  are  made  or a
regulatory requirement imposed after January 1, 1991 by such a governmental body
implementing a previously  enacted statute.  Changes in Federal and State income
tax laws shall not be considered a Change in Law.

            B.  "Change  in  Law  costs"  means  any  increase  in the  cost  of
financing, construction, modifying, operating or maintaining the Facility or the
Site,  or the disposal of Residue,  FEPR or By-Pass  Waste  related  solely to a
Change in Law, which on a cumulative  basis exceeds  $100,000,  provided that if
any such increase in cost results solely from a change in the design,  fuel mix,
or operating  criteria of the Facility which is not mandated by law and which is
initiated by the COMPANY  subsequent  to the execution of this  Agreement,  such
Change in Law cost  shall be  disregarded  for  purposes  of this  Article.  See
Schedule C pertaining to Tipping Fee calculation as to how  Change-in-Law  costs
will be paid.

            C. The following procedures shall govern this Article:

                  1. COMPANY shall notify the  MUNICIPALITY and Municipal Review
Committee  and the  Municipal  Review  Committee  shall  notify  the  COMPANY in
writing, as soon as either party has knowledge of any  administrative,  court or
other governmental action


                                      -38-
<PAGE>   39

or the  enactment  of any law or  regulation  which  could lead to a claim of an
occurrence of a Change in Law. COMPANY shall keep the Municipal Review Committee
informed of the progress of such actions.

                  2.  Upon  determining  the  impact  of  any  Change  in Law or
determining any  Change-in-Law  costs,  COMPANY shall give the Municipal  Review
Committee a detailed  explanation  thereof,  including,  appropriate  designs or
plans  for new  construction  or  modifying  items,  bid cost  and  construction
schedule,  and information  regarding  operations and maintenance costs. COMPANY
shall not expend any monies in response  to a Change in Law until the  Municipal
Review  Committee  has had  forty-five  (45) days to review  such  data,  unless
COMPANY has been directed to or is required to take prior corrective action. The
Municipal  Review  Committee  must  authorize or disapprove  expenditure  of any
Change in Law costs proposed by COMPANY within  forty-five  (45) days of receipt
of the data, or propose an alternative  reasonably  satisfactory to COMPANY,  or
said expenditure shall be conclusively  deemed to be authorized by MUNICIPALITY.
During any Suspension of Operations  because of any Change in Law pending review
by Municipal Review Committee under this paragraph, COMPANY shall be relieved of
any penalties and shall not be deemed to be in default.

            E. Nothing in this Article shall relieve COMPANY from compliance
with any law or regulation or other lawful order.

            ARTICLE XV. FORCE MAJEURE

            A.  Except as herein  provided,  if any  party is  rendered  unable,
wholly or in part, by a Force Majeure Event to carry out its  obligations  other
than any payment  obligation  under the Agreement,  that party shall give to the
other party prompt  written  notice of the Force Majeure  Event with  reasonably
full  particulars  concerning it.  Thereupon the obligations of the Party giving
the notice,  so far as they are affected by the Force  Majeure  Event,  shall be
suspended during, but no longer than the continuance of the Force Majeure Event,
and for a reasonable time thereafter if required to remedy the physical  damages
and/or place the Facility back in operation.


                                      -39-
<PAGE>   40

In the event that the Facility is subjected to a Force  Majeure  Event,  COMPANY
shall not be  obligated  to accept  Acceptable  Waste or arrange  for or pay for
disposal of By-Pass Waste.

            B. The party whose performance is excused due to the occurrence of a
Force  Majeure  Event shall,  during such  period,  keep the other party and the
Municipal  Review  Committee duly notified of all such actions required in order
for it to be able to commence or resume  performance  of its  obligations  under
this Agreement.

            C. Financial  inability of either party hereto or the  technological
inability  of the  Facility to  accomplish  the  purposes  contemplated  by this
Agreement shall not be deemed to be a Force Majeure Event.

            ARTICLE XVI. ADDITIONAL REMEDIES UPON MATERIAL ADVERSE CHANGES

            A. In the event that  COMPANY is required  to provide the  Municipal
Review  Committee  with  notice  of a  material  adverse  change as set forth in
Article XII, paragraph C, and such notice states as therein  contemplated either
COMPANY's  lenders intend to foreclose on the Facility,  COMPANY'S  opinion that
such change  would  likely  result in the  Facility no longer  remaining  in the
business  of being a municipal  solid  waste  disposal  facility,  or  COMPANY's
decision to cause the  Facility  no longer to remain in the  business of being a
municipal solid waste disposal facility, then the Municipal Review Committee may
take the following  actions in addition to those  described in said Article XII,
paragraph C:

            So  long as all  the  Charter  Municipality  agreements  shall  then
expressly  provide  for the same (i.e.  expressly  agree to the  options  herein
described),  no later than 180 days from the date of such  written  notice,  the
Charter  Municipalities may irrevocably elect in writing addressed to COMPANY to
purchase  the  Facility,  including  any reserves of COMPANY not used to satisfy
obligations  under or pursuant to any  obligations of COMPANY to any provider of
credit  enhancement or support for the bonds as set forth below (which  purchase
shall be concluded  no later than the end of such 180 day period) in  accordance
with the  provisions  set forth in Schedule D to this  Agreement,  at a purchase
price equal to $1.00, and title to the Facility


                                      -40-
<PAGE>   41

and such reserves shall be conveyed as provided in Schedule D. Concurrently with
such purchase and as a condition  precedent  thereto,  (i) the  purchaser  shall
assume  all  of  COMPANY'S   then  existing   obligations   in  respect  to  the
construction,  ownership  and  operation  of  the  Facility  (other  than  those
obligations which are obligations that the partners, affiliates or associates of
COMPANY have  undertaken in their  individual  capacities and not as partners or
affiliates of COMPANY),  (ii) all parties to whom such  partners,  affiliates or
associates shall have undertaken any obligations with respect to the Facility in
their individual  capacities and not as partners,  including without limitation,
any  obligations in connection  with COMPANY'S power purchase and sale agreement
with Bangor Hydro and under or relating to capital  contribution  agreements  of
the partners,  but specifically  excluding any obligations to or for the benefit
of  Orrington  Waste  Ltd.  Limited  Partnership  and  any  guaranties  of  such
obligations,  shall have unconditionally released such partners,  affiliates and
associates  therefrom  pursuant to instruments in form and substance  reasonably
satisfactory to each of them;  (iii) all of the obligations of COMPANY under and
pursuant to any agreement or instrument with any provider of credit  enhancement
or support for the bonds shall have been indefeasibly  satisfied in full in cash
by  purchaser,  and (iv) all  parties  whose  consent  is  required  to any such
purchase or assumption shall have  unconditionally  consented thereto in writing
pursuant to instruments in form and substance  satisfactory to COMPANY.  Nothing
in this  Article  XVI  shall  limit or  otherwise  restrict  any right or remedy
provided to any provider of credit  enhancement  or support for the bonds or the
holders  of the  bonds,  including,  without  limitation,  the  right to sell or
otherwise  dispose of the Facility free and clear of any rights  granted by this
Article XVI, upon any exercise of the rights or remedies  provided therein or in
any way  change  or alter any of the  obligations  of  COMPANY  set forth in any
agreements  relating to or securing the bonds or any agreement  between  COMPANY
and any provider of credit enhancement or support for the bonds.

            MUNICIPALITY  and the Municipal  Review  Committee  acknowledge that
some  circumstances  which would give rise to a notice by COMPANY  under Article
XII,  paragraph C could make it difficult or beyond its  reasonable  control for
COMPANY to prevent


                                      -41-
<PAGE>   42

cessation of operations  during the 180 day period  contemplated by this Article
XVI  without a cure of a default or other  interim  remedy  until the  Municipal
Review Committee has concluded its  consideration of appropriate  actions.  Both
COMPANY,  MUNICIPALITY and the Municipal Review Committee agree,  however,  that
there  shall be no  obligation  of either  party to provide  an interim  cure or
remedy, other than the obligation of the parties to diligently meet and consider
measures  to enable  the  Municipal  Review  Committee  to  exercise  its rights
hereunder.

            B.  Notwithstanding  the  rights  set  forth in  paragraph  A above,
COMPANY  may at any time cure,  remedy or cause the  cessation  of the  default,
claim or  adverse  circumstance  which  gave  rise to the  notice  and  possible
cessation of  operations  or loss of  possession;  in which case  COMPANY  shall
provide  the  Municipal  Review  Committee  notice that said  default,  claim or
adverse circumstance has in fact been remedied or cured, or has ceased whereupon
the Municipal Review  Committee's rights under paragraph A above shall terminate
nunc pro tunc;  provided,  however,  that in the event of such cure,  if COMPANY
fails to  provide  the  Municipal  Review  Committee  with  notice of  COMPANY'S
intention  to cure,  remedy  or cause the  cessation  of the  default,  claim or
adverse  circumstance  within 90 days of COMPANY  having  provided  notice under
Article XII, paragraph C, COMPANY shall reimburse the Municipal Review Committee
for justifiable and reasonable costs and expenses the Municipal Review Committee
incurs with respect to the intended purchase of Facility pursuant to paragraph A
so long as  COMPANY'S  need to cure or  remedy  the  default  (of which it gives
notice of its intention) is not caused by the Charter Municipalities'  inability
to purchase the Facility.

            C. The  provisions  set forth in this Article XVI shall not restrict
the rights of COMPANY to secure  additional  or  alternative  financing  for the
Facility  prior to providing  notice under  Article XII,  paragraph C.  However,
COMPANY acknowledges its obligation under the Charter Municipality agreements to
fully  inform  the   Municipal   Review   Committee   of   COMPANY'S   financial
circumstances.  COMPANY  agrees to provide upon request by the Municipal  Review
Committee  copies of its credit  agreements  and other  financing  agreements to
which it is a party.  COMPANY also  acknowledges  that since changes in the debt
obligations of


                                      -42-
<PAGE>   43

COMPANY with respect to the  Facility  are of interest to the  Municipal  Review
Committee  as a potential  purchaser  of the  Facility,  COMPANY will advise the
Municipal  Review  Committee  of any new  financing  activities.  In  turn,  the
Municipal Review Committee  acknowledges  that any active pursuit of alternative
financing by the Municipal Review Committee  without  COMPANY'S  knowledge could
have an  adverse  impact on  COMPANY'S  operating  ability  and agrees to advise
COMPANY  first of any  desire to  refinance  the  Facility  and to  utilize  the
consultation  provisions  of the  Charter  Municipality  agreements  to consider
mutually with COMPANY any such proposals.

            D.  After  the  Municipal  Review  Committee   undertakes   remedial
measures,  if the Facility  continues to be available to Charter  Municipalities
for processing  their waste,  notwithstanding  a decision by some or all Charter
Municipalities  to  terminate  their  delivery of waste to the  Facility,  it is
intended  by this  Article  XVI that an  Event of  Default  and  Termination  of
Operations shall not be deemed to have occurred and COMPANY'S  obligations under
Article XIII, if any,  relating to the payment of liquidated  damages to Charter
Municipalities in the event of a Termination of Operations shall not apply.

            E. The  provisions  set forth in  paragraph  A granting  the Charter
Municipalities  the right to acquire COMPANY'S right,  title and interest in the
Facility and all of COMPANY'S obligations are conditioned upon receipt of a duly
authorized  waiver,  from all of the  Charter  Municipalities,  of  damages  and
acknowledgment  of the  absence  of an  Event of  Default  under  Article  XIII,
paragraph D of the Charter  Municipality  agreements.  Such waiver of damages by
the Charter  Municipalities  shall not apply to any  subsequent  Termination  of
Operations  if the  Municipal  Review  Committee's  remedial  efforts  result in
continued  availability of Facility under COMPANY'S  ownership or possession and
there is a subsequent  cessation of operations in a separate  occurrence that is
not remedied.

            F. The waivers and  obligations of COMPANY set forth in this Article
XVI shall remain  effective only so long as no Charter  Municipality has filed a
civil action or initiated an arbitration  proceeding against COMPANY alleging or
based upon an infirmity in the


                                      -43-
<PAGE>   44

Municipal Review Committee's  consent or a violation or breach of Article XXXIII
of the Charter  Municipality  agreements;  provided  that COMPANY may waive this
limitation on the  effectiveness of its waivers and obligations  created by this
Article XVI.

            ARTICLE XVII. ASSIGNMENT

            A. Except as provided in paragraph D below, this Agreement shall not
be assigned by COMPANY to any third party  without  Municipal  Review  Committee
approval, which shall not be unreasonably withheld.

            B. This Agreement shall not be assigned by MUNICIPALITY to any third
party without COMPANY approval, which shall not be unreasonably withheld.

            C. Notwithstanding paragraphs A and B of this Article,  MUNICIPALITY
may assign  its  interest  in this  Agreement  to the  District,  provided  such
District includes the MUNICIPALITY.

            D.  MUNICIPALITY  acknowledges that this Agreement has been assigned
as security to the banks  which  provided  financing  for the  Facility  and the
assignment  remains  effective in all respects  with respect to this  Agreement.
MUNICIPALITY  further  acknowledges  that  this  Agreement  has  been or will be
assigned as security to the Finance  Authority of Maine,  as the issuer of bonds
to provide  refinancing  for the  Facility,  to the  trustee for holders of such
bonds and to any other entity or entities  which provide credit support for such
bonds, and the assignment remains effective in all respects with respect to this
Agreement.  MUNICIPALITY agrees to provide,  upon written request of COMPANY, to
COMPANY  or  any  party  described  in  the  previous   sentence  in  writing  a
confirmation of its  acknowledgment of and consent to any such assignment and as
to the effectiveness of this Agreement.

            ARTICLE XVIII. PERFORMANCE CREDITS

            A. Under Article XVIII of the Outstanding Agreement, MUNICIPALITY is
entitled  to certain  Performance  Credits on the terms and  conditions  therein
specified.  Since this Agreement amends the manner of calculation of Performance
Credits,  MUNICIPALITY  and  COMPANY  hereby  agree  that  for  purposes  of the
calculation of Performance Credits and Net


                                      -44-
<PAGE>   45

Compensation under the Outstanding  Agreement,  the close of business of the day
before the Closing  Date shall be treated as the end of a calendar  year and any
Performance Credits and Net Compensation earned under the Outstanding  Agreement
shall be  calculated  and  determined  as of such  date,  giving  effect  to the
release,  if any, of funds from  reserve  accounts  effected on the Closing Date
which are to be taken into account as  Distributable  Cash (as defined in and in
accordance with the Outstanding  Agreement).  It is acknowledged and agreed that
the Finance Authority of Maine has indicated that it will require the funding of
certain  reserve  funds or accounts on the Closing  Date:  $6,000,000  in a debt
service  reserve  account,  such deposit to be made by funds  advanced by Bangor
Hydro under the amended  Power  Purchase  Agreement;  $3,000,000 in an operating
reserve fund, such deposit to be made by funds provided by COMPANY from existing
reserves  released as a result of the  refinancing;  and $1,000,000 in a capital
improvement  fund,  such  deposit to be made by funds  provided by COMPANY  from
existing  reserves  released  as  a  result  of  the  refinancing.  MUNICIPALITY
acknowledges  and agrees that such  closing  requirements  are  preliminary  and
consents to  additional  deposits in these or other  reserve  accounts as may be
required  of COMPANY or Bangor  Hydro by the  Finance  Authority  of Maine,  the
trustee for the bonds or any provider of credit  enhancement or support for such
bonds, as approved by the Municipal  Review  Committee.  It is acknowledged  and
agreed that to the extent that any cash  reserves of COMPANY  existing  prior to
the Closing Date are used to fund  operating  or debt service  reserves or other
financial  requirements  in respect of, or are required in connection  with, the
bonds  to be  issued  on the  Closing  Date  to  refinance  the  Facility,  such
pre-existing cash reserves shall not be treated as Distributable  Cash under the
Outstanding Agreement. It is further acknowledged and agreed that COMPANY on the
Closing  Date,   after   providing  for  payment  or  reserves  for  payment  of
Distributable  Cash (as  defined in the  Outstanding  Agreement)  to the Charter
Municipalities  and  COMPANY  (including  Net  Compensation  (as  defined in the
Outstanding  Agreement)),  funding  reserves  and capital  improvement  funds as
contemplated  above and retaining  sufficient  operating funds,  consistent with
prior practices and prudent  financial  management,  to permit operations of the
Facility, shall


                                      -45-
<PAGE>   46

distribute  the remainder of its then existing cash balances  one-half  (50%) to
the Charter Municipalities and one-half (50%) to partners in COMPANY.

            The Performance Credits earned under the Outstanding Agreement shall
be calculated as of the Closing Date and a preliminary  payment  thereof made by
COMPANY as soon as reasonably  practicable  thereafter,  initially calculated on
the assumption  that all Charter  Municipalities  will become  Amending  Charter
Municipalities,  subject to a final payment and adjustment to reflect the actual
Amending Charter Municipalities to be made on or before September 1, 1998.

            B. Performance  Credits under this Agreement shall be determined and
paid in accordance  with this paragraph B. The Amending  Charter  Municipalities
shall have the right to receive, in cash, one-third (33-1/3%) of the cumulative,
Distributable  Cash, as defined in Schedule E annexed hereto, from and after the
Closing  Date (the  "Performance  Credits"),  which  shall be  payable to Bangor
Savings Bank or other institution  designated by the Municipal Review Committee;
provided,  however,  that the rights of the Amending Charter  Municipalities  to
receive  Performance  Credits shall be subject to and limited by the prior right
of the Municipal Review Committee to allocate and apply  Performance  Credits to
the purchase of limited  partnership  interests in COMPANY pursuant to Paragraph
(C)(3)(III)  of Article XIX of this  Agreement.  Notwithstanding  the  foregoing
provisions  of this Article  XVIII,  (i) any cash  deposited  in the  "Principal
Reserve and  Redemption  Account" (or similar  account) or in the "Bangor  Hydro
Reserve Account" (or similar account) required by the Finance Authority of Maine
into which Bangor Hydro's installment  payments under the amended Power Purchase
Agreement are payable,  and (ii) any payments made to reserve accounts  required
by the Finance  Authority of Maine, the trustee for the bonds or any provider of
credit  enhancement  or support for such bonds by COMPANY or  MUNICIPALITY  from
installment  payments  made by Bangor  Hydro  under the amended  Power  Purchase
Agreement or from  amounts  that would  otherwise  constitute  distributions  to
COMPANY or MUNICIPALITY  under the Trust Agreement,  to the extent not otherwise
applied in accordance with the Trust Agreement or other document governing such


                                      -46-
<PAGE>   47

reserve  account  (collectively,  the "Equity  Reserves"),  shall not constitute
Distributable Cash under this Agreement, and the Amending Charter Municipalities
and the  partners in COMPANY as of the Closing Date shall each have the right to
receive  one-half  (50%)  of the  Equity  Reserves  and  any  investment  income
therefrom, from and after the Closing Date, but only if and to the extent and at
the time that such Equity Reserves and investment income (or funds held in other
accounts in lieu  thereof) are released to COMPANY,  as further  provided in the
Trust  Agreement;  provided,  however,  that the rights of the Amending  Charter
Municipalities to receive Equity Reserves and investment income thereon shall be
subject to and limited by the prior right of the Municipal  Review  Committee to
allocate and apply such Equity Reserves and investment income to the purchase of
limited  partnership  interests in COMPANY pursuant to Paragraph  (C)(3)(III) of
Article XIX of this  Agreement.  The amount of Equity Reserves to be distributed
to the Amending Charter Municipalities shall be allocated to MUNICIPALITY in the
same  proportion  that  Performance  Credits are then allocated to  MUNICIPALITY
under the next  succeeding  paragraph.  The portion of the Equity  Reserves  and
investment  income to be paid to  MUNICIPALITY  shall be paid to Bangor  Savings
Bank or other institution designated by the Municipal Review Committee. From the
Performance Credits payable to the Amending Charter  Municipalities  there shall
be  deducted  "Performance  Credits"  (as  defined  therein)  payable to Charter
Municipalities that are not Amending Charter Municipalities under waste disposal
agreements with COMPANY.

            The amount of Performance  Credits to be distributed to the Amending
Charter  Municipalities  shall be allocated to MUNICIPALITY in proportion to the
average of (a) the proportion of Acceptable Waste credited to MUNICIPALITY under
this  Agreement to the aggregate  amount of Acceptable  Waste credited to all of
the Amending  Charter  Municipalities  under this  Agreement  and similar  waste
disposal  agreements in the calendar  quarter for which the Performance  Credits
are being calculated; and (b) the proportion of the Guaranteed Annual Tonnage of
MUNICIPALITY  to  the  Guaranteed   Annual  Tonnage  for  all  Amending  Charter
Municipalities,  as of the  last  day of the  calendar  quarter  for  which  the
Performance Credits are


                                      -47-
<PAGE>   48

being  calculated.  Notwithstanding  the  immediately  preceding  sentence,  the
Municipal Review Committee,  upon a vote of its Board,  following an opportunity
to be heard by any  affected  Amending  Charter  Municipality,  and upon written
notice to  COMPANY  and  MUNICIPALITY  given not less  than 45 days  before  the
effective date of such change, may change the allocation of Performance  Credits
among  the  Amending  Charter  Municipalities,   including   MUNICIPALITY.   The
Performance  Credits shall be calculated  quarterly based upon the operations of
the Facility  during the preceding  quarter.  The  Performance  Credits shall be
recognized upon  determination,  but  MUNICIPALITY  shall not be entitled to any
credit or payment of Performance  Credits until the end of the following quarter
or as soon thereafter as funds are released  therefor under the Trust Agreement,
but only to the extent that funds are released under the Trust Agreement and are
available  therefor.   Upon  delivery  of  the  annual  audit  of  COMPANY,  the
Performance  Credits  for the year  covered by the audit  shall be  adjusted  to
accord with the audit, and any credits or debits thereto shall be applied to the
next distribution of Performance Credits hereunder.

            ARTICLE XIX. EXERCISE OF OPTION TO EXTEND TERM; OPTION TO PURCHASE
PARTNERSHIP INTERESTS; OPTION TO PURCHASE LIMITED PARTNERSHIP INTERESTS

            A. By the execution and delivery of this Agreement, MUNICIPALITY has
irrevocably  elected to exercise the option under Article XIX of the Outstanding
Agreement,  alternative (D)(3), to extend the term of the Outstanding  Agreement
for 15 years.  MUNICIPALITY  acknowledges  and consents to the  reduction in the
extension of the term of the Outstanding Agreement from 15 years to 14 years, as
evidenced by this  Agreement,  in order to coincide  with the stated  expiration
date of the original and amended Power Purchase  Agreement  between Bangor Hydro
and COMPANY,  and  MUNICIPALITY  acknowledges  and agrees that such reduction in
term is in the best interests of  MUNICIPALITY  and its residents.  MUNICIPALITY
further acknowledges and agrees that such exercise is effective  notwithstanding
any variation of terms of this Agreement from the Outstanding Agreement.


                                      -48-
<PAGE>   49

            By the execution and delivery of this Agreement and of similar waste
disposal agreements by other Amending Charter  Municipalities and the acceptance
hereof and thereof by COMPANY,  it is acknowledged and agreed that MUNICIPALITY,
with such other Amending Charter Municipalities,  have effectively exercised the
option  granted  to  the  Charter   Municipalities  under  Article  XIX  of  the
Outstanding  Agreement  and other  similar  agreements  (alternative  (D)(3)) to
extend  the  term  of the  Outstanding  Agreement  and the  outstanding  Charter
Municipality   agreements   between  COMPANY  and  the  other  Amending  Charter
Municipalities,  notwithstanding that the extension is in substance for 14 years
instead of 15 years (since that date coincides with the stated  expiration  date
of the original and amended Power  Purchase  Agreement  between Bangor Hydro and
COMPANY),  notwithstanding  any  variation of terms of this  Agreement  from the
Outstanding  Agreement,  and  notwithstanding  that  the  effectiveness  of such
exercise  is to be based  on the  selection  of an  alternative  by the  Charter
Municipalities  with a majority of  Guaranteed  Annual  Tonnage as of January 1,
2003 (since the Amending Charter  Municipalities  will constitute at the Closing
Date a majority of Guaranteed Annual Tonnage and no pooling of Guaranteed Annual
Tonnage on or before January 1, 2003, may cause the Guaranteed Annual Tonnage of
the Amending Charter Municipalities to be less than 51% of the Guaranteed Annual
Tonnage  of all  Charter  Municipalities,  as  provided  in  Article  V of  this
Agreement  and the  other  Charter  Municipality  agreements  with the  Amending
Charter Municipalities).  Consequently,  no other option remains to be exercised
by  MUNICIPALITY  under  Article XIX of the  Outstanding  Agreement  (including,
without limitation, the option to purchase the Facility on March 31, 2004).

            B. The Amending Charter Municipalities,  including MUNICIPALITY,  if
they remain  parties to Charter  Municipality  agreements  with COMPANY  through
March 31, 2018,  have the right to purchase as of March 31, 2018 all partnership
interests in COMPANY not owned by Equity  Charter  Municipalities,  in whole but
not in part,  at their  then fair  market  value,  as  further  provided  in the
partnership agreement of COMPANY as in effect on the Closing Date,


                                      -49-
<PAGE>   50

whether  or  not  such  Amending  Charter   Municipalities  are  Equity  Charter
Municipalities,  and which option may be  exercised by one,  more or all of such
Amending Charter Municipalities.

            C. MUNICIPALITY  shall have the right, in conjunction with the other
Amending  Charter   Municipalities  (except  those  municipalities  that  become
Amending  Charter  Municipalities  after  September  30,  1998),  to exercise an
irrevocable  option  to  participate  in the  purchase  of  limited  partnership
interests in COMPANY (the "Equity Participation  Option") up to 50% of the total
interest in capital and profits of COMPANY,  which is hereby granted to all such
Amending Charter  Municipalities  and described below,  subject to the following
terms and conditions:

            1. Term of Equity  Participation  Option.  Notice of exercise of the
Equity  Participation Option must be given by 5:00 o'clock p.m. on September 30,
1998.  If notice  of the  exercise  of the  Equity  Participation  Option is not
received  by  COMPANY  as  provided  in  subparagraph  (2)  hereof,  the  Equity
Participation  Option in favor of MUNICIPALITY shall expire. The exercise of the
Equity Participation Option is irrevocable by MUNICIPALITY.

            2. Means of  Exercise.  The  Equity  Participation  Option  shall be
exercised by written notice  delivered to COMPANY at its offices at the Facility
in Orrington,  Maine,  either by personal delivery to the Facility on-site plant
Manager,  or by certified mail,  received prior to the expiration of the term of
the Equity Participation Option.

            3. Participation by MUNICIPALITY. To be an effective exercise of the
Equity Participation  Option, the notice of exercise of the Equity Participation
Option shall contain a certification  by MUNICIPALITY and an  acknowledgment  by
the Municipal  Review  Committee  that  MUNICIPALITY  and the  Municipal  Review
Committee  have entered into the MRC  Administration  Authorization  pursuant to
which  MUNICIPALITY has irrevocably  appointed the Municipal Review Committee to
act as its agent in the  administration  of the purchase of limited  partnership
interests  in  COMPANY  pursuant  to the  Equity  Participation  Option  and the
application  of  partnership  distributions,  including  authorization  for  the
Municipal   Review  Committee  to  designate  in  the  name  and  on  behalf  of
MUNICIPALITY the amount of


                                      -50-
<PAGE>   51

Performance  Credits to be applied on the  account of  MUNICIPALITY  to purchase
limited  partnership  interests in COMPANY,  as  contemplated  by paragraph  III
below.

            If  an  Amending  Charter  Municipality,   including   MUNICIPALITY,
effectively  exercises its Equity Purchase Option,  it then shall have the right
to purchase limited partnership  interests in COMPANY on the following terms and
conditions,  as further provided in the partnership  agreement of COMPANY, as in
effect on the Closing Date:

            I. Additional Partnership Interests. Such limited partnership
interests shall be additional limited partnership interests authorized by the
partnership agreement of COMPANY, and shall not constitute a sale or assignment
by any current partner in COMPANY of its partnership interest as in effect
before the Closing Date.

            II.  Purchase Price.  The purchase price of five-ninths  (5/9ths) of
the total  limited  partnership  interests in COMPANY  (which  equals 50% of the
total   interest  in  capital  and  profits  of  COMPANY)   shall  be  equal  to
$31,000,000.00 (the "Purchase Price");  provided,  however,  that if less than a
five-ninths  (5/9ths) limited  partnership  interest is purchased,  the purchase
price shall be equal to a proportionate share of the Purchase Price based on the
limited partnership interests acquired.

            The total  limited  partnership  interests  for all  Equity  Charter
Municipalities  acquired at any one time,  as provided in  paragraph  III below,
shall be equal to the product of: (i) five-ninths  (5/9ths) of the total limited
partnership  interests in COMPANY,  times (ii) the aggregate amount then paid by
the Equity Charter  Municipalities  pursuant to paragraph III,  divided by (iii)
the Purchase Price;  provided,  however, that at no time through the exercise of
the Equity Participation Option may the Equity Charter Municipalities acquire in
the  aggregate  more than 50% of the total  interest  in capital  and profits of
COMPANY.

            III. Payment of Purchase Price. If MUNICIPALITY has effectively
exercised the Equity Purchase Option, the Municipal Review Committee, on behalf
of MUNICIPALITY, may, at any time and from time to time (but not more frequently
than once each calendar quarter) after the later of: (i) September 30, 1998, or
(ii) the date six months after


                                      -51-
<PAGE>   52

the Closing  Date,  purchase  limited  partnership  interests  in COMPANY by the
designation  of  all  or  a  portion  of  the  Performance  Credits  payable  to
MUNICIPALITY or previously  paid to  MUNICIPALITY  under Article XVIII or Equity
Reserves payable or previously paid to MUNICIPALITY  under Article XVIII for use
by COMPANY in the prepayment and redemption of bonds or other borrowing that has
refinanced  the Facility and COMPANY hereby agrees to apply such amounts to such
purpose as soon as is reasonably  practicable under the documents  evidencing or
securing such bonds or other  borrowing.  The effective  date of the purchase of
the  limited  partnership  interests  shall  be  the  date  on  which  COMPANY's
obligations  in respect of the bonds or such other  borrowing  is  prepaid.  The
amount of Performance  Credits or Equity Reserves to be applied by the Municipal
Review  Committee  on  behalf  of  MUNICIPALITY  and all  other  Equity  Charter
Municipalities  at any single time to  purchase  limited  partnership  interests
shall be equal in principal amount to an authorized principal amount of bonds or
such other borrowing that may then be prepaid in accordance with their terms.

            Pursuant  to the MRC  Administration  Authorization,  the  Municipal
Review Committee on behalf of MUNICIPALITY shall designate quarterly the amount,
if any, of the Performance Credits and Equity Reserves allocated to MUNICIPALITY
to be applied to such purchase.  To the extent that such Performance Credits and
Equity  Reserves  are so  applied,  MUNICIPALITY  shall  have  acquired  limited
partnership interests in COMPANY to the extent of the purchase price thereof, as
further  provided in the  partnership  agreement of COMPANY.  COMPANY  agrees to
evidence such partnership interests in its books and records and to provide such
further  documentation thereof as MUNICIPALITY or the Municipal Review Committee
shall reasonably request.

            MUNICIPALITY  acknowledges  that  its  ownership  share  of  limited
partnership  interests  in  COMPANY  will be  based on its  respective  share of
cumulative prior contributions of Performance Credits and Equity Reserves toward
the purchase of such limited partnership interests. MUNICIPALITY hereby ratifies
and confirms its delegation to the Municipal  Review  Committee  pursuant to the
MRC Administration Authorization, to the extent


                                      -52-
<PAGE>   53

permitted by law, of authority to vote and  otherwise act in its name and on its
behalf  as  to  its  limited  partnership  interests  in  COMPANY.   Partnership
distributions to be made to MUNICIPALITY as a result of its limited  partnership
interest in COMPANY shall be made to Bangor  Savings  Bank, as custodian,  to be
administered by the Municipal Review Committee on behalf of MUNICIPALITY.

            MUNICIPALITY   acknowledges   and  agrees   that   COMPANY   has  no
responsibility  or duty  whatsoever  to  MUNICIPALITY  or the  Municipal  Review
Committee to advise either of them as to the use and  application of Performance
Credits or Equity Reserves, exercise of the Option or the use and application of
partnership distributions, if any.

            ARTICLE XX. NOTICES

            All notices  herein  required or  permitted to be given or furnished
under this Agreement by either party to the other shall be in writing, and shall
be  deemed  sufficiently  given  and  served  upon  the  other  party if sent by
certified  or  registered  mail,  return  receipt  requested,  postage  prepaid,
addressed as follows:

            If to COMPANY:      Penobscot Energy Recovery Company,
                                  Limited Partnership
                                  P.O. Box 160
                                    Route 15
                                   River Road
                             Orrington, Maine 04475
                            Attention: Plant Manager

            With copies to:     Charles J. Micoleau, Esq.
                                Curtis Thaxter Stevens
                                Broder & Micoleau
                                One Canal Plaza
                                P.O. Box 7320 DTS
                                Portland, Maine 04112

                                and

                                Municipal Review Committee, Inc.
                                Eastern Maine Development Corporation
                              One Cumberland Place
                               Bangor, Maine 04401


                                      -53-
<PAGE>   54

            If to MUNICIPALITY: See Schedule A

            With a copy to:     Municipal Review Committee, Inc.
                                Eastern Maine Development Corporation
                              One Cumberland Place
                               Bangor, Maine 04401

Each party  shall have the right,  from time to time to  designate  a  different
person and/or address by notice given in conformity with this section.

            ARTICLE XXI. BINDING EFFECT

            The  Agreement  shall  bind  upon and  inure to the  benefit  of the
parties hereto and their respective successors or assignees.

            ARTICLE XXII. OTHER DOCUMENTS

            Each  party   promises   and  agrees  to  execute  and  deliver  any
instruments  and to  perform  any acts  which  may be  necessary  or  reasonably
required in order to give full effect hereto.

            ARTICLE XXIII. HEADINGS

            Captions  and headings  herein are for ease of reference  and do not
constitute a part of this Agreement.

            ARTICLE XXIV. COUNTERPARTS

            This Agreement may be executed in more than one counterpart, each of
which shall be deemed an original and all of which together shall constitute the
same agreement.

            ARTICLE XXV. APPLICABLE LAW

            The  law  of  the  State  of  Maine  shall   govern  the   validity,
interpretation, construction and performance hereof.

            ARTICLE XXVI. AMENDMENT OF AGREEMENT

            No amendments to this Agreement may be made except in writing signed
by both parties.  This Agreement has been or will be assigned to a trustee under
bond financing


                                      -54-
<PAGE>   55

arrangements  or to the issuer or the providers of credit  enhancement  for such
bonds and the  written  consent of all such  assignees  shall  also be  required
before any amendment becomes effective.

            ARTICLE XXVII. SEVERABILITY

            In the event any covenant,  condition or provision of this Agreement
is  held to be  invalid  or  unenforceable  by a final  judgment  of a court  of
competent jurisdiction,  the invalidity or unenforceability  thereof shall in no
way affect any of the other covenants, conditions or provisions hereof, provided
that such  remaining  covenants,  conditions  or  provisions  can  thereafter be
applicable and effective without  materially  changing the obligations of either
party.

            ARTICLE XXVIII. RELATIONSHIP OF THE PARTIES

            Nothing herein shall be deemed to constitute either party a partner,
agent or local  representative  of the other  party or to create  any  fiduciary
relationship between the parties. MUNICIPALITY may, however, acquire an interest
in COMPANY as provided in Article XIX hereof.

            ARTICLE XXIX. REPRESENTATIVES

            The  authorized  representative  of  each  of the  parties  for  the
purposes  hereof  shall be such  persons  as the  parties  may from time to time
designate in writing.

            ARTICLE XXX. INTEGRATION; CONFLICTS

            This instrument  (including all Schedules attached hereto, which are
hereby  incorporated  herein and made a part hereof)  embodies the whole of this
Agreement.  There are no promises, terms, conditions, or obligations between the
parties  other  than  those  contained  herein  or  in  the  written  agreements
specifically  referenced herein (such as the Trust Agreement,  the amended Power
Purchase Agreement between Bangor Hydro and COMPANY and the Warrant  Agreement).
This  Agreement  amends,  supplements,  restates,  extends  and  supersedes  the
Outstanding  Agreement  and  all  supplements  thereto  and all  other  previous
communications,  representations, or agreements, either oral or written, between
the parties hereto in respect of the subject matters covered hereby.


                                      -55-
<PAGE>   56

            In the event that the  requirements of any Article of this Agreement
shall be found to be inconsistent with those of any Schedule,  the Article shall
control.

            ARTICLE XXXI. CONSENTS

            To the extent that the consent of either party to this  Agreement is
required to any action of the other  party  pursuant  to any  provision  of this
Agreement, such consent will not be unreasonably withheld.

            ARTICLE XXXII. ARBITRATION

            A. MUNICIPALITY and COMPANY shall confer from time to time to review
Facility operations and the relationship in general.

            B.  MUNICIPALITY and COMPANY agree that, if any dispute arises under
Articles V(D), (E) and (I), VI, VII, X, XII, XIII,  XIV, XVI, XVII,  XVIII,  and
XIX(F),  resolution  of that  dispute  shall be  conducted  by  COMPANY  and the
Municipal  Review  Committee  pursuant  to this  Article  XXXII and the  results
thereof  shall be binding on  MUNICIPALITY,  COMPANY  and the  Municipal  Review
Committee.

            C. The parties  shall submit such dispute to an arbitrator to obtain
a binding resolution  thereof.  The dispute shall be submitted to the arbitrator
as soon as the dispute arises.  The arbitrator shall be a person mutually agreed
upon by the parties or, if the parties are unable to reach such agreement, there
shall be three (3) arbitrators,  one selected by each of the parties within five
(5) days after the dispute arises and a third chosen by the two appointed within
five (5) days after their  selection.  The parties then shall  provide  whatever
information and material the arbitrators  deem necessary to resolve the dispute.
The  arbitrators  shall  decide the  dispute  within  twenty (20) days after the
arbitrators  have been selected.  If there is only one arbitrator,  his decision
shall be binding on COMPANY,  MUNICIPALITY and the Municipal  Review  Committee,
and if there are three,  the  decision of any two shall be binding.  The parties
intend  that  this  arbitration  process  will  expeditiously  resolve  disputes
relative to financial or


                                      -56-
<PAGE>   57

technical matters relating to the Facility. The costs of such arbitration shall
be shared equally by the parties.

            ARTICLE XXXIII. MISCELLANEOUS

            To  the  extent   permitted   by  law,  no   municipality,   Charter
Municipality,   or   commercial   entity   will   be   offered   a  long   term,
non-interruptible  waste  disposal  agreement  by  COMPANY  on  any  terms  more
favorable than  described  herein unless either the Municipal  Review  Committee
consents or all more favorable terms,  including tipping fee, are made available
to  MUNICIPALITY.  No  municipality  will be offered  any Spot  Market  Contract
without Municipal Review Committee consent.

            COMPANY  agrees  that the  tipping  fee rate under any future  waste
disposal  contracts  with  the  City of  Ellsworth  and the  Towns  of  Newport,
Pittsfield,  Detroit,  Monroe, Prospect,  Winterport and Frankfort,  Maine, will
equal at least  the  greater  of (i) the  market  rate in effect at the time for
waste disposal  agreements  with  substantially  similar terms, or (ii) the then
current  Charter  Municipality  rate (the  average of the Tipping Fee under this
Agreement and, if there are Charter Municipalities that are not Amending Charter
Municipalities, the Tipping Fee in effect under the waste disposal agreements of
such Charter  Municipalities  with  COMPANY),  plus the  "Equivalent  Escalating
Spread,"  as  reasonably   determined  by  the  Municipal  Review  Committee  in
consultation with COMPANY.

            COMPANY  may  engage  in  refinancing  of   indebtedness   or  other
borrowings  at any time without the consent of the  Municipal  Review  Committee
only if such refinancings or other borrowing do not materially  adversely affect
Distributable Cash or the Performance Credits;  provided,  however, that COMPANY
may incur  indebtedness,  without the consent of the Municipal Review Committee,
to the extent COMPANY  reasonably deems necessary to provide for maintenance and
repair of the Facility or to enable the Facility or its operation to comply with
applicable law or permit requirements.


                                      -57-
<PAGE>   58

            This  Agreement  shall not take effect  unless and until the Closing
Date occurs.  If the Closing Date does not occur on or before December 31, 1998,
this Agreement shall be without force and effect, and the Outstanding Agreement,
as such as been heretofore otherwise amended or supplemented,  shall continue to
govern.

            IN WITNESS  WHEREOF,  the parties hereto have executed this amended,
supplemented, restated and extended agreement on this ____ day of _______, 199_.

WITNESS:                              [MUNICIPALITY]



____________________________          By:_______________________________________

                                       Its

                                    PENOBSCOT ENERGY RECOVERY COMPANY,
                                      LIMITED PARTNERSHIP


                                    By: PERC Management Company,

                                          Its General Partner


                                    By: PERC, Inc.

                                          Its General Partner


                                       By:

                                          Its President


                                      -58-
<PAGE>   59

                                    By: Energy National, Inc.,

                                          Its General Partner


                                       By:

                                        Title:


                                      -59-
<PAGE>   60

                                   SCHEDULE A

Name and address of MUNICIPALITY:




Send copy of notices to MUNICIPALITY to:




1. Guaranteed Annual Tonnage per Operating Year to be delivered by MUNICIPALITY
pursuant to Article V

2. Monthly Estimate (non-binding) of tons of Acceptable Waste

                  Jan.  ______      July  ______
                  Feb.  ______      Aug.  ______
                  March ______      Sept. ______
                  April ______      Oct.  ______
                  May   ______      Nov.  ______
                  June  ______      Dec.  ______


                                      -60-
<PAGE>   61

                                   SCHEDULE B

                    Charter Municipalities and Reference GATs

                        Charter Municipality                    Reference GAT
                        --------------------                    -------------

                           Albion                                     600
                           Alton                                      260
                           Atkinson                                   144
                           Baileyville                              1,200
                           Bangor                                  27,000
                           Bar Harbor                               4,600
                           Blue Hill                                2,000
                           Boothbay Reg.                            4,500
                           Bradley                                    425
                           Brewer                                   9,000
                           Brooks                                     258
                           Brownville                                 640
                           Bucksport                                2,750
                           Burnham                                    500
                           Camden, Rockport, Lincolnville, Hope     5,400
                           Carmel                                     700
                           Central Penobscot                        1,100
                           China                                    1,000
                           Clifton                                    300
                           Clinton                                  2,000
                           Corinna                                  1,729
                           Cushing                                    444
                           Dedham                                     400
                           Dexter                                   3,600
                           Dover-Foxcroft                           1,700
                           Eddington                                  960
                           Enfield                                    700
                           Exeter                                     250
                           Fairfield                                3,000
                           Friendship                                 492
                           Glenburn                                 1,300
                           Gouldsboro                                 800
                           Greenbush                                  375
                           Guilford                                 1,400
                           Hampden                                  3,200
                           Hancock                                  1,014
                           Hermon                                   1,965
                           Holden                                   1,050
                           Jackson                                    130
                           Charter Municipality             Reference GAT
                           --------------------             -------------


                                      -61-
<PAGE>   62

                           Lamoine                                    350
                           Lee                                        352
                           Levant                                     679
                           Lincoln                                  3,000
                           Lucerne                                    175
                           Mariaville                                 106
                           Marion                                   5,400
                           Mars Hill                                  500
                           Mattawamkeag                               400
                           Milford                                  1,100
                           Millinocket                              3,000
                           Milo                                     1,320
                           Monson                                     160
                           Mt. Desert                               1,800
                           Newburgh                                   500
                           Old Town                                 5,000
                           Orland                                     750
                           Orono                                    5,100
                           Otis                                       210
                           Owls Head                                  780
                           Palmyra                                    500
                           Parkham                                    168
                           Penobscot County                           700
                           Pleasant River SWD                       1,400
                           Plymouth                                   360
                           Reed Plantation                            100
                           Rockland                                 5,100
                           St. Albans                                 474
                           Sangerville                                400
                           Searsport                                1,500
                           South Thomaston                            600
                           Southwest Harbor                         2,000
                           Stetson                                    220
                           Steuben                                    380
                           Stonington                                 604
                           Surry                                    1,000
                           Thomaston                                1,560
                           Thorndike                                  200
                           Tremont                                  1,000
                           Trenton                                    600
                           Troy                                       250
                           Union                                      300
                           Unity                                      702
                           Charter Municipality             Reference GAT
                           --------------------             -------------

                           Vassalboro                               1,250
                           Veazie                                     800


                                      -62-
<PAGE>   63

                           Verona                                     275
                           Waldoboro                                2,100
                           Waterville                              21,000
                           West Gardner                             1,005
                           Winslow                                  3,850
                           Winthrop                                 3,200


                                      -63-
<PAGE>   64

       MUNICIPALITIES WITH LONG-TERM WASTE DISPOSAL CONTRACTS WITH COMPANY
         BUT WHICH ARE NOT CHARTER MUNICIPALITIES AS OF THE CLOSING DATE

                Municipality                      Guaranteed Annual Tonnage
                ------------                      -------------------------

                Abbott                                        190
                Aroostook Valley                              790
                Bowerbank                                      25
                Bridgewater                                    75
                Burlington/Lowell                             200
                Castine                                       260
                Cherryfield                                   300
                Chester                                       220
                Dixmont                                       150
                Edinburg                                       38
                Etna                                          350
                Freedom                                       194
                Harrington                                    300
                Howland                                       425
                Hudson                                        150
                Kenduskeag                                    170
                Knox                                          150
                LaGrange                                      180
                Maxfield                                       24
                Medford                                        50
                Milbridge                                     625
                Monticello                                    240
                Montville                                     260
                NARIF                                       8,000
                Northern Katahdin                           1,500
                Oakfield                                      260
                Passadumkeag                                  160
                Piscataquis                                   200
                Reed Plantation Group                         224
                St. Francis, St. John Plantation              275
                Searmont                                      270
                Sebec                                         180
                Sherman                                       480
                Springfield                                   160
                Swans Island                                  200
                TriCounty                                   1,180
                Wiscasset                                   3,400


                                      -64-
<PAGE>   65

                                   SCHEDULE C

                             Tipping Fee Calculation

            A. The two  components  of the total  Tipping Fee to be paid are the
Base Rate and the  Variable  Rate.  The Base Rate,  for the period from April 1,
1991 through and including  December 31, 1991, is $35.16 per ton which Base Rate
shall  be  available  to only  Charter  Municipalities.  The Base  Rate  will be
adjusted in subsequent  Operating Years as provided for in Article VI, Paragraph
C of the Agreement.

            The  Variable  Rate  shall be  added  to the  Base  Rate and paid by
Municipality in accordance with the terms of the Agreement.  For the period from
April 1, 1991 through June 30, 1991,  the Variable  Rate shall be $7.45 per ton.
The Variable Rate in respect of any calendar quarter commencing on or after July
1, 1991 shall be an amount per ton of Acceptable Waste equal to:

            1.    the initial Variable Rate of $7.45 per ton; plus

            2.    the  Pass-through  Costs  as  estimated  by  COMPANY  for such
                  quarter,  divided by the total tons of  Acceptable  Waste that
                  COMPANY estimates will be delivered in such quarter (except in
                  calculating  the  Change-in-Law  costs  and  Change in Rate of
                  Interest Cost, the denominator shall not include tonnage under
                  Spot Market  Contracts  originating  from outside the State of
                  Maine); plus

            3.    a reconciliation calculated as the difference between (i) the
                  amount in dollars corresponding to the Variable Rate component
                  of the total Tipping Fee that COMPANY was entitled to receive
                  from the Charter Municipalities in the previous quarter; and
                  (ii) the amount in dollars corresponding to the Variable Rate
                  component of the total Tipping Fee that is actually payable or
                  was paid to COMPANY from the Charter Municipalities in the
                  previous quarter, all divided by the tons of Acceptable Waste
                  that COMPANY estimates will be delivered by the Charter
                  Municipalities in the current quarter; minus

            4.    any adjustments for failure of the Facility to operate or to
                  meet the Performance Standards other than by reason of
                  Suspension of Operations, Force Majeure, or MUNICIPALITY
                  default; all


                                      -65-
<PAGE>   66

                  divided by the tons of Acceptable Waste that COMPANY estimates
                  will be delivered in such quarter; plus

            5.    any adjustments for Change-in-Law costs and Change in Rate of
                  Interest Cost, as converted to dollars per ton in accordance
                  with Section E below;

and where the amounts in items (2), (3) and (5) can be positive or negative.

            B. For purposes of calculating Section A(2) above, Pass-through
Costs shall be defined as the sum of the following:

                  (1) Changes in the cost of Residue  disposal.  The  difference
between (i) the sum of all fees,  costs,  expenses and liabilities  that COMPANY
estimates  it will incur or pay in respect of Residue  disposal for the calendar
quarter  (including but not limited to transportation  costs), and (ii) the base
amount for Residue disposal which is $368,188.

                  (2)  Changes  in the  cost of FEPR  disposal.  The  difference
between  (i) the sum of all fees,  costs,  and  expenses  and  liabilities  that
COMPANY  estimates  it will  incur or pay in respect  of FEPR  disposal  for the
calendar quarter  (including but not limited to transportation  costs), and (ii)
the base amount for FEPR disposal which is $526, 274.

            C. For purposes of calculating  Section A(4) above,  the adjustments
for failure to meet the Performance Standards (for reasons other than Suspension
of Operations, Force Majeure or MUNICIPALITY default) shall be calculated in the
first  quarter  of  each  Operating  Year on the  basis  of  performance  in the
preceding Operating Year. Such adjustments shall be defined as follows:

                  1. for failure to comply with the Residue Moisture Standard,
the actual costs of transportation and disposal associated with the excess tons.

                  2. for failure to comply with the Residue  Combustible Content
Standard and/or the Ferrous Quality Standard, the actual costs of transportation
and disposal for the excess tons associated with excess combustible material.


                                      -66-
<PAGE>   67

                  3. for failure to comply with the Residue Truck Loading
Standard and/or the FEPR Truck Loading Standard, the cost of transportation
associated with the excess shipments.

                  4. for failure to comply with both the Glass and Grit Quantity
and Quality Standards,  the actual costs of transportation and disposal, for the
excess tons provided  that no  adjustment  shall be made unless the Facility has
failed to comply with both standards.

            E. For purposes of the adjustments in Section A(5) above,
Changes-in-Law costs and Changes in Rate of Interest Costs shall be defined as
the sum of the following:

                  (1)  Change-in-Law  costs.  The  Change-in-Law  costs  for any
calendar quarter are the fees, costs,  expenses and liabilities paid or incurred
by COMPANY  during such calendar  quarter,  by reason of a  Change-in-Law  event
(including an allocated portion of capital  expenditures and direct quantifiable
additions to operating or maintenance  costs) but only as and to the extent such
fees,  costs,  expenses and  liabilities in respect of any  Change-in-Law  event
exceeds  $100,000   (whether  or  not  paid  in  any  calendar   quarter).   The
Change-in-Law  costs to be included in any  adjustments of the Variable Rate for
any  calendar  quarter  may  not  exceed  25%  of the  Tipping  Fee  payable  by
MUNICIPALITY for such calendar quarter (before giving effect to the inclusion of
the full amount thereof without reference to such limitation). Any Change-in-Law
costs which exceed the 25% cap in a particular calendar quarter shall be accrued
and be  included as and to the extent  permitted  by the  immediately  preceding
sentence in the next succeeding calendar quarter(s) in which such inclusion will
not be prohibited by such limitation.

            The amount of the  Change-in-Law  costs  which is not  received in a
calendar quarter by reason of such 25% limitation shall,  together with interest
on the unpaid and  unrecorded  amount  thereof at a rate per annum  equal to the
rate of interest  announced  by Bank of Boston or its  successor  as its base or
prime rate of interest plus 2% per annum on the unrecovered  amount thereof,  be
thereafter  treated as a  Change-in-Law  costs and  included in any  calculation
thereof until received in full. All calculations of Change-in-Law costs shall be
prepared  on the basis that  unpaid  amounts of  Change-in-Law  costs from prior
calendar quarters


                                      -67-
<PAGE>   68

are the first ones to be included and recovered and Change-in-Law  costs paid in
the  calendar  quarter in question  are the last to be included  and  recovered.
Notwithstanding  the foregoing,  such 25% limitation  shall not be applicable as
and to the extent that any Change-in-Law  costs paid or incurred in the calendar
quarter  would not be  recovered  by  amortizing  the amount  thereof on an even
calendar quarter basis (based on the number of remaining calendar quarters) over
the period ending March 31, 2018.

            In the event of a termination of this Agreement  whether by COMPANY,
pursuant to Article VIII or Article XIII or by MUNICIPALITY, pursuant to Article
XIII, or pursuant to Article XI,  MUNICIPALITY  shall be required to pay COMPANY
an amount equal to its pro-rata share (based on the then Guaranteed  Tonnage and
the Guaranteed  Annual Tonnage of all Charter  Municipalities)  of any remaining
balances of  Change-in-Law  costs at the effective date of any such  termination
which  have not been  recovered  prior to such  date;  provided,  however,  that
MUNICIPALITY  may at the effective date of such termination by written notice to
COMPANY  elect to pay any  such  amount  owing  by it  based on an even  monthly
amortization  of the  amount  thereof  over a period of up to  forty-eight  (48)
months as  MUNICIPALITY  shall  elect.  Any  amount to be  amortized  shall bear
interest at a rate per annual equal to the rate of interest announced by Bank of
Boston or its  successor as its base or prime rate of interest plus 2% and shall
be payable at the time each such monthly payment is made.

            (2)  Changes in Rate of Interest  cost.  Changes in Rate of Interest
cost to be paid by COMPANY to the  trustee of its  presently  outstanding  bonds
shall be an amount equal to the  aggregate  difference  between (i) the interest
expense of COMPANY to be paid or accrued in respect of the bonds as estimated by
COMPANY in respect of such calendar quarter,  and (ii) the interest expense that
would have been paid or accrued in  respect of the bonds  during  such  calendar
quarter at a 6.40% constant rate; provided, however, that the interest rate used
in making the  calculation  in clause  (i) shall in no event  exceed the rate of
8.00% per annum.  COMPANY will use its best efforts to fix the rate on the bonds
at a time and on a basis which is  mutually  agreeable  between  COMPANY and the
Municipal Review Committee the cost of which


                                      -68-
<PAGE>   69

fixing of  interest  rate  shall be paid by  Charter  Municipalities,  including
MUNICIPALITY,  as a  Pass-through  Cost,  in a  manner  which  is  agreeable  to
Municipal Review Committee and COMPANY.

            F.  COMPANY  will  certify to the  Municipal  Review  Committee  the
validity of quarterly  Pass-through  Costs and deliver to the  Municipal  Review
Committee  the  certificate  and the  quarterly  reconciliation  statement  with
accompanying  invoices and other  agreed-upon  documentation  within twenty (20)
days  after  the end of the  calendar  quarter  so  that  the  Municipal  Review
Committee can review the  reconciliation.  The Municipal  Review  Committee will
have twenty  (20) days from  receipt of the  statement  to accept or dispute the
reconciliation.  Unless the Municipal Review Committee files a written objection
to the  statement  with COMPANY  within  twenty (20) days of receiving the same,
setting  forth the basis for such  dispute,  such  statement  shall be final and
binding  on  all  parties,  including  MUNICIPALITY.  If  the  Municipal  Review
Committee files such written  objection,  the amount of the disputed items shall
not be  included  in Tipping  Fee  invoices,  but the  disputed  items  shall be
referred to binding arbitration for resolution as provided for in Article XXXII.
Adjustments to Pass-through Costs determined by resolution of the disputed items
shall be reflected in future invoices as referred to in paragraph A above.

            G. Annual  Projections of Tipping Fees. On or before September 15 of
each Operating  Year,  commencing  with the Operating Year beginning  January 1,
1992,  or on such  other date as shall be  mutually  acceptable  to COMPANY  and
MUNICIPALITY,  COMPANY shall use its best efforts to notify MUNICIPALITY and the
Municipal  Review  Committee of COMPANY's then estimate of the Base Rate per ton
and the Variable  Rate per ton, so that  MUNICIPALITY  may include in its budget
adequate  contingency  amounts to cover  potential  increases  in its  projected
Tipping Fees. Any such estimates shall not be binding on any of the parties.


                                      -69-
<PAGE>   70

                                   SCHEDULE D

      Procedure To Exercise Option To Purchase Facility under Article XVI,
                                   Paragraph A

            If  the  Municipal  Review  Committee,  on  behalf  of  the  Charter
Municipalities,  elects to purchase the  Facility as  permitted  and provided in
Article XVI, Paragraph A of this Agreement, the notice of exercise of the Option
shall  specify the date of the closing of the  transfer of title from COMPANY to
Charter  Municipalities or their designee,  which closing shall occur within 180
days of the date of the written notice given by the Municipal  Review  Committee
under Article XVI, Paragraph A. At closing, COMPANY shall convey the Facility by
quitclaim deed with covenant and bills of sale with warranty covenants, free and
clear of all liens and  encumbrances.  Any liens and encumbrances  including the
balances  of any unpaid  amounts  secured by the  mortgage to the trustee or any
provider  of credit  enhancement  or support  of bonds  providing  financing  or
refinancing of the Facility or any portion thereof,  together with all interest,
fees and costs due to the trustee and such providers  secured thereby,  shall be
paid in cash at closing.

            The condition contained in the preceding sentence is for the benefit
of both  parties  and may not be  waived  by any  party to this  Agreement.  The
parties  shall  make  appropriate  provisions  for  the  orderly  assumption  of
executory  contracts and  reconcile  real estate taxes and other such items on a
pro  rata  basis.  Unless  otherwise  agreed  prior  to  closing,   the  Charter
Municipalities  will not be acquiring  accounts  receivable or assuming accounts
payable of COMPANY.


                                      -70-
<PAGE>   71

                                   SCHEDULE E

                               Distributable Cash

            For the purpose of calculating  Performance  Credits  referred to in
Article  XVIII  of the  Agreement  for any  period,  amounts  used to  calculate
Distributable  Cash  shall be  determined  consistent  with  Generally  Accepted
Accounting  Principles  and shall be derived from the following  types of income
and expenses:

            (1) all amounts  received by COMPANY from Bangor Hydro in respect to
the sale of electricity to it during such period; provided, however, that to the
extent such funds  constitute  Equity  Reserves  (as  defined in Article  XVIII,
paragraph  B),  such  funds  and  any  investment   income  therefrom  shall  be
distributed  one-half (50%) to the Amending Charter  Municipalities and one-half
(50%)  to the  partners  in the  COMPANY  as of the  Closing  Date,  if and when
released to COMPANY;

            (2) all sums  received  by COMPANY  during such period in respect to
all Acceptable Waste delivered to COMPANY during such period;

            (3) all amounts received by COMPANY in respect of the sale by it of
recoverable materials, steam or byproducts during such period; and

            (4) all investment  income of COMPANY earned (other than earnings on
monies in accounts  maintained  pursuant to this Agreement,  the trust indenture
between the Finance Authority of Maine, or other issuer,  and the bond trustees,
existing credit or other  agreements  between COMPANY and any provider of credit
enhancement or support for the bonds) during such period.

            From the sum of the  amounts  and income set forth  above,  shall be
deducted the sum of all fees,  costs,  expenses and liabilities paid or incurred
by COMPANY in respect to such period including debt service,  amounts  deposited
into or credited to any account maintained pursuant to the trust indenture,  the
credit  agreements  between  COMPANY and any provider of credit  enhancement  or
support for the bonds, or this Agreement,  any plant management fee allocable to
COMPANY or bonus payments paid or incurred by COMPANY


                                      -71-
<PAGE>   72

pursuant to the operating agreement between COMPANY and ESOCO Orrington, Inc. or
any subsequent operating agreement.

            In the calculation of Distributable Cash, distributions to partners
of COMPANY in respect to any ownership interests in the partnership shall not be
considered to be a fee, a cost, an expense, or a liability. Further,
Distributable Cash shall not include:

            (1) any 1990 through March 31, 1991 interim  tipping fee payments or
any payments for this purpose made over time after March 31, 1991;

            (2) amounts received from borrowing or drawing-down of letters of
credit;

            (3) insurance or condemnation proceeds or awards;

            (4) amounts received in satisfaction of claims;

            (5) capital contributions and indemnity payments;

            (6) debt service  savings  (including  any  reductions  in letter of
credit or other credit  enhancement fees or commissions or any remarketing fees)
resulting  from  the  prepayment  of bonds or  other  borrowings  effected  with
payments made by Equity  Charter  Municipalities  under  Article XIX,  paragraph
(B)(5) of this Agreement; and

            (7) any other  amount  not  representing  revenues  received  in the
ordinary course of business  (including,  without  limitation,  withdrawals from
accounts  maintained  under the  trust  indenture,  credit  or other  agreements
between COMPANY and its lenders,  or this Agreement);  provided,  however,  that
funds, if any, remaining in the debt service reserve fund,  capital  improvement
reserve  fund and  operating  reserve fund  securing the bonds when  released to
COMPANY shall be Distributable Cash; provided,  further,  however, to the extent
such reserve  funds  constitute  Equity  Reserves (as defined in Article  XVIII,
paragraph  B),  such  funds  and  any  investment   income  therefrom  shall  be
distributed  one-half (50%) to the Amending Charter  Municipalities and one-half
(50%) to the partners in COMPANY as of the Closing Date, if and when released by
the Finance Authority of Maine or the trustee.


                                      -72-
<PAGE>   73

            Distributable  Cash shall be calculated in a manner  consistent with
the  description  below.  All  capitalized  terms not defined  elsewhere in this
Agreement  refer to specific line items in COMPANY's  profit and loss operations
statements  ("Operating P&L") as prepared monthly by COMPANY's controller in the
regular  course of  COMPANY's  financial  affairs  and  audited  annually  by an
independent accounting firm.

            1.    Start with Total Revenues.

            2.    Subtract the following summary line items:

                  a.    Total Fixed Expenses;
                  b.    Total Variable Expenses; and
                  c.    Total Non-Operating Income Expenses.

            3.    Add back the following individual line items:

                  a.    Depreciation; and
                  b.    Amortization.

            4.    Subtract the following:

                  a.    The principal paid on the outstanding bonds; and
                  b.    The amount of debt service savings resulting from the
                        prepayment  of bonds or other  borrowings  effected with
                        payments  made by Equity  Charter  Municipalities  under
                        Article XIX, paragraph (B)(5) of this Agreement.

            5.    Adjust for other cash and non-cash items and cash flow lags as
                  calculated  and  substantiated  by COMPANY and  otherwise  not
                  incorporated into the Operating P&L.

            In the event that COMPANY  changes the  definitions of line items on
its  Operating  P&L, it shall  inform the  Municipal  Review  Committee  of such
changes, and appropriate adjustments to the calculation described above shall be
made by mutual agreement.

            COMPANY  shall  submit its  calculation  of  Distributable  Cash and
Performance  Credits to the Municipal Review Committee within sixty (60) days of
the close of each calendar quarter and within thirty (30) days of the completion
of the  annual  independent  audit.  Quarterly  calculations  of the  amount  of
Distributable  Cash and  Performance  Credits  for a year  shall be  subject  to
adjustment  and  reconciled  with the  annual  audit.  Such  submittal  shall be
accompanied by the following:


                                      -73-
<PAGE>   74

            1. A certificate signed by COMPANY's  controller stating that he has
reviewed the  submittal  and the  calculations,  that the submittal is a correct
representation  of the matters set forth and was prepared  from data prepared in
accordance  with  Generally  Accepted  Accounting   Principles  consistent  with
COMPANY's  historical  operating  practices and in accordance  with the terms of
this Agreement;

            2. A certificate signed by an authorized officer of COMPANY that
COMPANY has complied with its obligations under this Agreement as they affect
the calculation of Performance Credits;

            3. Company Operating P&L for the period;

            4. A written statement setting forth the detailed calculation of the
Performance Credits;

            5. A written  statement  setting forth the tons of Acceptable  Waste
accepted from each Charter Municipality in the period.


                                      -74-
<PAGE>   75

                                   SCHEDULE F

                              Performance Standards

1.          THE RESIDUE MOISTURE STANDARD

            The  moisture  in the  Residue  as shipped  shall not  exceed  forty
            percent (40%) by weight on an annual basis. The annual average shall
            be the  simple  average  of the  results  of  analysis  of  compound
            samples.  The size of the  samples,  the  frequency  of sampling and
            sample  compounding  and the procedures for storing and  compounding
            samples in  waterproof  containers  shall be  established  by mutual
            agreement of COMPANY and the Municipal Review  Committee.  Protocols
            for analysis of the samples  shall be in  accordance  with  standard
            American  Society  for  Testing  and  Materials  (ASTM)  methods  or
            otherwise by mutual  agreement of COMPANY and the  Municipal  Review
            Committee.

2.          THE RESIDUE COMBUSTIBLE CONTENT STANDARD

            The percent  weight of the unburned  combustibles  in the Residue as
            measured by the percent LOI shall not exceed the Residue Combustible
            Content Standard on an annual average basis. The Residue Combustible
            Content  Standard  shall  be set for  1991 at nine  percent  (9%) by
            weight (dry),  and shall be adjusted for Operating  Years after 1991
            by mutual  agreement of COMPANY and the Municipal  Review  Committee
            using the results of analysis of compound samples taken during 1991.
            The size of the  samples,  the  frequency  of  sampling  and  sample
            compounding and the procedures for storing and  compounding  samples
            in waterproof containers shall be established by mutual agreement of
            COMPANY and the Municipal Review  Committee.  Protocols for analysis
            of the samples shall be in accordance  with standard ASTM methods or
            otherwise by mutual  agreement of COMPANY and the  Municipal  Review
            Committee.


                                      -75-
<PAGE>   76

3.          THE RESIDUE TRUCK LOADING STANDARD

            The annual  average net weight of shipments of Residue  shall not be
            less than twenty (20) tons per truck.  Net weights and the number of
            shipments  shall be  determined  on the  basis of  monthly  disposal
            invoices as verified for accuracy.

4.          THE FEPR TRUCK LOADING STANDARD

            The annual average net weight of shipments of FEPR (including  glass
            and grit, non-processible waste, and to the extent that its disposal
            costs are based on explicit  payments  for  transportation  on a per
            truck basis,  recovered  ferrous  materials)  shall not be less than
            twenty (20) tons per truck.  Net weights and the number of shipments
            shall be  determined  on the basis of monthly  disposal  invoices as
            verified for accuracy.

5.          THE FERROUS QUALITY STANDARD

            The higher heating value (HHV) of the recovered ferrous materials as
            measured  by the ratio of the BTUs of the free  combustibles  to the
            total weight of the recovered ferrous materials shall not exceed the
            Ferrous  Quality  Standard on an annual average  basis.  The Ferrous
            Quality Standard shall be set for 1991 at 940 BTU/lb on the basis of
            ten percent (10%) free  combustible  content by weight at an assumed
            HHV of 9400 BTU/lb,  and shall be adjusted for Operating Years after
            1991  by  mutual  agreement  of  COMPANY  and the  Municipal  Review
            Committee  using the results of analysis of compound  samples  taken
            during 1991. The size of the samples,  the frequency of sampling and
            sample  compounding  and the procedures for storing and  compounding
            samples in  waterproof  containers  shall be  established  by mutual
            agreement of COMPANY and the Municipal Review  Committee.  Protocols
            for analysis of the samples shall be in


                                      -76-
<PAGE>   77

            accordance  with  standard  ASTM  methods  or  otherwise  by  mutual
            agreement of COMPANY and the Municipal Review Committee.

6.          THE GLASS AND GRIT QUANTITY STANDARD

            The weight of the glass and grit shall not exceed twenty-six percent
            (26%) of the weight of all Acceptable Waste accepted at the Facility
            (including  nonprocessible waste) on an annual basis. The weights of
            the glass and grit and the  Acceptable  Waste shall be determined on
            the basis of monthly  disposal  invoices as verified for accuracy by
            COMPANY.

7.          THE GLASS AND GRIT QUALITY STANDARD

            The Glass and Grit Quality  Standard shall not be applicable  unless
            the  Facility  has not  complied  with the Glass  and Grit  Quantity
            Standard.  The HHV of the glass and grit  shall not exceed the Glass
            and Grit Quality  Standard on an annual average basis. The Glass and
            Grit-Quality  Standard  shall be set  initially  at 2088  BTU/lb and
            shall  be  adjusted  by  mutual  agreement  of the  COMPANY  and the
            Municipal Review Committee using the results of analysis of compound
            samples taken during 1991. The size of the samples, the frequency of
            sampling and sample  compounding  and the procedures for storing and
            compounding samples in waterproof containers shall be established by
            mutual  agreement  of COMPANY and the  Municipal  Review  Committee.
            Protocols for analysis of the samples  shall be in  accordance  with
            standard  ASTM methods or  otherwise by mutual  agreement of COMPANY
            and the Municipal Review Committee.


                                      -77-
<PAGE>   78

                                   SCHEDULE G

                                Type of Vehicles

            All vehicles depositing waste on the Facility tipping floor shall be
capable of discharging their loads mechanically. Included within the category of
vehicles  permitted to tip are:  standard  solid waste packer  trucks,  transfer
trailers and  hydraulic  dump  trucks.  In  addition,  all solid waste  vehicles
entering  the  Facility  shall have their loads  enclosed  within a container or
covered  securely by means of a tarp.  No pick-up  trucks,  so-called,  or other
vehicles which would require manual unloading,  either by design or by reason of
malfunction,  shall be permitted to  discharge  Acceptable  Waste on the tipping
floor.


                                      -78-
<PAGE>   79

                                   SCHEDULE H


                                    [Deleted]


                                      -79-
<PAGE>   80

                                  SCHEDULE H(1)


                                    [Deleted]


                                      -80-
<PAGE>   81

                                   SCHEDULE I


                                    [Deleted]


                                      -81-
<PAGE>   82

                                   SCHEDULE J

           Pending or Threatened Litigation or Governmental Proceeding

            1. [to come]

            _.  COMPANY  during  the  conduct of its  business  is  involved  in
numerous  governmental  proceedings and investigations  with respect to permits,
approvals and  administrative  matters relative to the ownership,  operation and
maintenance  of the  Facility  which,  if  adversely  determined,  could  result
adversely and affect COMPANY's ability to operate the Facility.



                  TO BE UPDATED, IF NECESSARY, PRIOR TO CLOSING


                                      -82-
<PAGE>   83

                                   SCHEDULE K


                                    [Deleted]


                                      -83-
<PAGE>   84

                 ACKNOWLEDGMENT OF BANGOR HYDRO-ELECTRIC COMPANY

            Bangor  Hydro-Electric  Company ("Bangor Hydro") hereby acknowledges
that it has  received  a copy of the  foregoing  Second  Amended,  Restated  and
Extended  Waste  Disposal  Agreement,  dated as of  ___________,  199_,  between
[Municipality] and Penobscot Energy Recovery Company,  Limited Partnership,  and
that the  references  to the Common  Stock  Warrant and  Registration  Agreement
contained  in Article  XII,  paragraph  E of the  Agreement  are  correct in all
material respects.

            IN WITNESS  WHEREOF,  Bangor  Hydro has  caused its duly  authorized
officer to execute this Acknowledgment as of the ____ day of ____________, 199_.

                                       BANGOR HYDRO-ELECTRIC COMPANY


                                       By /s/ Andrew Landry
                                          --------------------------------------
                                          Its General Counsel, Secretary & Clerk
                                          


                                      -84-
<PAGE>   85

        ACKNOWLEDGMENT AND AGREEMENT OF MUNICIPAL REVIEW COMMITTEE, INC.

            Municipal Review Committee,  Inc. (the "Municipal Review Committee")
hereby acknowledges receipt of a copy of the foregoing Second Amended,  Restated
and Extended Waste Disposal  Agreement,  dated as of ___________,  199_, between
[Municipality] and Penobscot Energy Recovery Company,  Limited Partnership,  and
hereby agrees to undertake and perform all duties and  responsibilities  imposed
upon it by the provisions thereof.

            IN WITNESS  WHEREOF,  the Municipal  Review Committee has caused its
duly authorized  officer to execute this  Acknowledgment and Agreement as of the
____ day of ____________, 199_.

                                       MUNICIPAL REVIEW COMMITTEE, INC.

                                                      By

                                       By Gerald Kempen
                                          --------------------------------------
                                          Its President


                                      -85-

<PAGE>   1
                                                                     Exhibit 4.3

                                 LOAN AGREEMENT


                                 by and between


                           FINANCE AUTHORITY OF MAINE


                                       and


                       PENOBSCOT ENERGY RECOVERY COMPANY,
                               LIMITED PARTNERSHIP


                                 relating to the

                                   $29,930,000
                           Finance Authority of Maine
               Electric Rate Stabilization Revenue Refunding Bonds
              Series 1998A (Penobscot Energy Recovery Company, LP)

                                       and

                                   $15,065,000
                           Finance Authority of Maine
               Electric Rate Stabilization Revenue Refunding Bonds
              Series 1998B (Penobscot Energy Recovery Company, LP)


                            Dated as of June 1, 1998


<PAGE>   2

                                TABLE OF CONTENTS

                                                                            Page
                                                                            ----

                                    ARTICLE I

                      DEFINITIONS AND RULES OF CONSTRUCTION

Section 1.1   Definitions....................................................  2
Section 1.2   Rules of Construction..........................................  6

                                   ARTICLE II

                        REPRESENTATIONS AND UNDERTAKINGS

Section 2.1   Representations by the Issuer..................................  7
Section 2.2   Representations by the Borrower................................  8

                                   ARTICLE III

             ELECTRIC RATE STABILIZATION PROJECT; ISSUANCE OF BONDS;
                           AUTHORIZED REPRESENTATIVES

Section 3.1   Agreement to Complete Electric Rate Stabilization Project......  9
Section 3.2   Agreement to Issue Bonds; Application of Bond Proceeds.........  9
Section 3.3   Borrower Required to Fund Insufficiency........................ 10
Section 3.4   Authorized Representatives of the Borrower..................... 10

                                   ARTICLE IV

            EFFECTIVE DATE AND DURATION OF THIS AGREEMENT; REPAYMENT
            PROVISIONS; AND UNCONDITIONAL OBLIGATION OF THE BORROWER

Section 4.1   Effective Date and Duration of this Agreement.................. 10
Section 4.2   Loan Clauses; Loan Note........................................ 10
Section 4.3   Additional Amounts Payable..................................... 12
Section 4.4   Optional Prepayments........................................... 12


                                       (1)
<PAGE>   3

                                                                            Page
                                                                            ----
Section 4.5   Prepayment; Extraordinary and Special Optional Redemption...... 13
Section 4.6   Notice of Prepayment........................................... 13

                                    ARTICLE V
                              SECURITY FOR PAYMENT

Section 5.1   Obligations of the Borrower Hereunder Unconditional............ 14
Section 5.2   Assignment of Rights Under Facility Agreements................. 14
Section 5.3   Collateral Assignment.......................................... 15
Section 5.4   Payment of Assigned Sums....................................... 15
Section 5.5   Exercise of Rights by Borrower................................. 15
Section 5.6   No Release or Assumption....................................... 16
Section 5.7   Security Clauses............................................... 16
Section 5.8   Pledge of Trust Estate......................................... 16
Section 5.9   Receipt by Trustee of Payments Under Facility Agreements and
                Other Contracts; Enforcement and Amendment of Facility
                Agreements................................................... 17

                                   ARTICLE VI

                                SPECIAL COVENANTS

Section 6.1   No Warranty of Condition or Suitability by the Issuer.......... 17
Section 6.2   Operation and Maintenance of the Facility...................... 17
Section 6.3   Damage; Repair of Damage; Condemnation......................... 17
Section 6.4   [Reserved]..................................................... 18
Section 6.5   Issuer's Right of Inspection and Access........................ 18
Section 6.6   Conduct of Business............................................ 18
Section 6.7   Indemnification Covenants...................................... 18
Section 6.8   Assignment, Leasing and Selling................................ 20
Section 6.9   Environmental Covenants........................................ 20
Section 6.10  Default and Litigation Notification............................ 21
Section 6.11  Insurance...................................................... 21
Section 6.12  Additional Covenants and Agreements............................ 21
Section 6.13  No Liability of the Issuer..................................... 21
Section 6.14  Incorporation of Tax Regulatory Agreement; Determination of
              Taxability..................................................... 22
Section 6.15  Maintenance of Facility Agreements............................. 22


                                       (2)
<PAGE>   4

                                                                            Page
                                                                            ----

                                   ARTICLE VII

                         EVENTS OF DEFAULT AND REMEDIES

Section 7.1   Events of Default Defined ..................................... 23
Section 7.2   Remedies on Default............................................ 25
Section 7.3   No Remedy Exclusive; Trustee and Noteholders Deemed Third
                Party Beneficiaries.......................................... 26
Section 7.4   No Additional Waiver Implied By One Waiver..................... 26

                                  ARTICLE VIII

                  SPECIAL PROVISIONS RELATING TO BOND INSURANCE

Section 8.1.  Purpose of Article............................................. 26
Section 8.2.  Special Provisions............................................. 26

                                   ARTICLE IX

                                  MISCELLANEOUS

Section 9.1   Notices........................................................ 27
Section 9.2   Filing......................................................... 29
Section 9.3   Binding Effect................................................. 29
Section 9.4   Severability................................................... 29
Section 9.5   Amendments, Changes and Modifications.......................... 29
Section 9.6   Execution of Counterparts...................................... 29
Section 9.7   Law Governing Construction of Agreement........................ 29
Section 9.8   Payments Due on Non-Business Days.............................. 30
Section 9.9   Limitation of Liability........................................ 30

EXHIBIT A    ADDITIONAL COVENANTS OF BORROWER................................A-1
EXHIBIT B    LOAN PRINCIPAL..................................................B-1
Form of Loan Note .............................................................1


                                       (3)
<PAGE>   5

                                 LOAN AGREEMENT

         This Loan  Agreement,  dated as of June 1, 1998, is entered into by and
between the FINANCE  AUTHORITY OF MAINE, a public body politic and corporate and
a duly created and validly  existing agency of the State of Maine, and PENOBSCOT
ENERGY RECOVERY COMPANY,  LIMITED PARTNERSHIP,  a limited partnership  organized
and existing under the laws of the State of Maine.

         WHEREAS,  the Act  authorizes  the Issuer to issue  revenue  obligation
securities  to assist in  financing  eligible  projects  within the State and to
provide credit  enhancement by establishing  capital reserve funds to secure the
payment of principal and interest on such securities; and

         WHEREAS,  the  Borrower  proposes  to  refinance  an  eligible  project
originally  consisting of the acquisition  and  construction of the Facility (as
defined herein); and

         WHEREAS,  the  Issuer  has issued  its  revenue  obligation  securities
referred to as Electric Rate Stabilization  Revenue Refunding Bonds Series 1998A
(Penobscot Energy Recovery Company, LP) and Electric Rate Stabilization  Revenue
Refunding  Bonds Series 1998B  (Penobscot  Energy Recovery  Company,  LP), which
Bonds are not a debt or liability of the Issuer,  the State or any  municipality
therein  or any  political  subdivision  thereof,  or a pledge  of the faith and
credit  of the  State or any  political  subdivision  thereof,  but are  limited
obligations of the Issuer payable solely out of the Trust Estate; and

         WHEREAS,  the Issuer has issued a conditional  financing  commitment to
the  Borrower,  pursuant to which the Issuer  agreed to use the Bond proceeds to
fund the Loan to the Borrower in the original principal amount of $44,995,000 to
refund in whole the $44,800,000  outstanding  principal  amount of Floating Rate
Demand  Resource  Recovery  Revenue Bonds  (Penobscot  Energy  Recovery  Company
Project - Series 1986A) issued by the Town of Orrington, Maine and Floating Rate
Demand  Resource  Recovery  Revenue Bonds  (Penobscot  Energy  Recovery  Company
Project  -  Series  1986B)   issued  by  the  Town  of  Orrington,   Maine  (the
"Refunding"), which has been approved by the Issuer; and

         WHEREAS, the Issuer has issued the Bonds in the amount of $44,995,000
for the purpose of funding the Loan; and

         WHEREAS, the Borrower has agreed to accept the Loan of a portion of the
proceeds of the Bonds and to make Additional Payments,  as evidenced by the Loan
Note, under the terms and conditions set forth herein; and

         WHEREAS,  the  Borrower  acknowledges  that  the  Issuer  is  providing
financing  for the  Refunding  from the  proceeds  of the  sale of the  Bonds in
accordance  with the  purposes  of the Act,  that  the  accomplishment  of these
purposes  is  dependent  upon  compliance  of the  Borrower  with its  covenants
contained  in this  Agreement,  and that the  Refunding is in  furtherance  of a
public purpose.


<PAGE>   6

                              W I T N E S S E T H:

         IN  CONSIDERATION  of the  respective  representations  and  agreements
hereinafter contained, the parties hereto agree as follows (provided that in the
performance of the agreements of the Issuer herein contained,  any obligation it
may hereby incur for the payment of money shall not create a pecuniary liability
or a charge  against the general  credit of the Issuer or the general  credit or
taxing powers of the State or any municipality therein or political  subdivision
thereof, but shall be payable solely out of the Trust Estate).

                                    ARTICLE I

                      DEFINITIONS AND RULES OF CONSTRUCTION

         Section I.1  Definitions.  All words and terms defined in the Indenture
shall  have  the  same  meanings  in  this  Loan  Agreement,   unless  otherwise
specifically defined herein. In addition,  the following words and terms as used
in this  Agreement,  including  the preambles  hereto,  shall have the following
meanings unless some other meaning is plainly intended:

         "Act" means the Finance Authority of Maine Act: Title 10, Chapter 110,
Maine Revised Statutes, as amended.

         "Additional   Covenants"  shall  mean  those   covenants,   warranties,
representations and agreements set forth in Exhibit A hereto.

         "Additional  Payments"  means the  amounts  required  to be paid by the
Borrower, other than Loan Payments,  pursuant to the provisions of the Loan Note
and Sections 4.2 and 4.3 hereof.

         "Administrative Expenses" shall have the meaning assigned to such term
in the Indenture.

         "Agreement" or "Loan Agreement"  means this Loan Agreement  between the
Issuer and the Borrower, as the same may be amended or supplemented from time to
time.

         "Authorized Representative" shall have the meaning assigned to such
term in the Indenture.

         "Borrower"   means   Penobscot   Energy   Recovery   Company,   Limited
Partnership,  a limited partnership organized and existing under the laws of the
State of  Maine,  its  permitted  successors  and  assigns,  and any  surviving,
resulting or transferee entity permitted under this Agreement.


                                       2
<PAGE>   7

         "Borrower Documents" means, collectively,  all documents and agreements
executed and delivered by the Borrower as security for or in connection with the
issuance of the Bonds,  including the Loan Note,  this Agreement and the Support
Agreements.

         "Capital  Reserve  Premium"  means  the fee,  calculated  annually  and
payable quarterly by the Borrower to the Issuer, initially in an amount equal to
fifty basis  points  (.50%) of the  outstanding  Loan  balance as of the date of
calculation as described below,  which fee rate may be changed from time to time
by written  agreement  between the Issuer and the Borrower.  The Capital Reserve
Premium  shall  be  calculated  as of July 1 of each  year  for  the  next  four
quarterly payments, based on the Loan balance on such July 1 after giving effect
to any  payment of  principal  made on such July 1,  payable in advance in equal
quarterly  installments  on the  immediately  succeeding  July 15,  October  15,
January 15 and April 15; provided,  however,  that the first calculation  period
for such fee shall  commence on the Loan  funding date and end on June 30, 1999,
calculated  on the  basis  of the  Loan  then  funded,  and  the  first  payment
installment  of such fee shall be made on the Loan  funding  date for the period
commencing thereon and ending on October 14, 1998.

         "Code" means the Internal Revenue Code of 1986, as amended from time to
time.

         "Collateral"  means all real and personal  property,  both tangible and
intangible,  of the  Borrower  on which the  Authority  and the  Trustee  hold a
mortgage,  security interest or pledge pursuant to the Mortgage.  The Collateral
does not constitute collateral for the Loan, and the Authority's interest in the
Collateral constitutes a part of Unassigned Issuer's Rights.

         "Electric   Rate   Stabilization   Project"  means  the  electric  rate
stabilization  project constituting the refunding of the outstanding Prior Bonds
which financed part of the cost of acquisition and construction of the Facility.

         "Environmental Cleanup Site" shall mean any location which is listed or
proposed  for  listing on the  National  Priorities  List,  on CERCLIS or on any
similar state list of sites requiring  investigation or cleanup, or which is the
subject of any pending or threatened action,  suit,  proceeding or investigation
related to or arising from any alleged violation of any Environmental Law.

         "Event of  Default"  means any of the events  described  as an Event of
Default in Section 7.1 hereof.

         "Facility"   means  the  25.3  megawatt  (gross)   nameplate   capacity
waste-to-energy electric generation facility located in Orrington,  Maine, owned
and operated by the Borrower,  including the site thereof,  as more particularly
described in the Mortgage.


                                       3
<PAGE>   8

         "Facility Agreements" shall have the meaning assigned to such term by
the Indenture.

         "Financing Documents" means the Loan Note and this Loan Agreement.

         "Indebtedness" means, as to the Borrower, at a particular time, (a) all
indebtedness  for borrowed  money of, or guaranteed  by, the  Borrower,  (b) all
indebtedness for borrowed money secured by any lien on any property owned by the
Borrower,  even though the  Borrower  has not  assumed or become  liable for the
payment thereof, (c) obligations of the Borrower under leases which the Borrower
has or should have, in accordance with generally accepted accounting principles,
capitalized,  (d) all obligations owed by the Borrower for all or any portion of
the deferred  purchase  price of property or services  which the Borrower has or
should have,  in  accordance  with  generally  accepted  accounting  principles,
capitalized, and (e) all obligations of the Borrower incurred in connection with
any letter of credit or bond  insurance  policy with respect to which the issuer
thereof has made any payment or disbursement.

         "Indenture" means the Trust Indenture of even date herewith between the
Issuer and the Trustee pursuant to which the Bonds will be issued and all of the
Issuer's  interest in this  Agreement  (except  Unassigned  Issuer's  Rights and
except  that  with  respect  to Shared  Rights,  rights  of  enforcement  may be
exercised by the Trustee  either jointly or severally with the Issuer and rights
to consent to the modification  thereof or to waive compliance  therewith may be
exercised  by the Trustee  jointly  with the Issuer but not  severally)  will be
assigned and pledged as security for the payment of principal of and interest on
the Bonds.

         "Issuer" or  "Authority"  means the Finance  Authority of Maine, a body
corporate and politic and a public  instrumentality of the State, duly organized
and existing under the laws of the State, and any body, board, authority, agency
or other  political  subdivision  or  instrumentality  of the State  which shall
hereafter succeed to the powers, duties and functions thereof.

         "Issuer Documents" means, collectively, those Financing Documents
executed by the Issuer.

         "Loan" means the loan by the Issuer to the Borrower of the proceeds of
sale of the Bonds.

         "Loan Note" means the promissory  note of the Borrower to the Authority
dated the Closing Date, and any  amendments,  supplements,  renewals or allonges
thereto or  replacements  thereof made in conformity with this Agreement and the
Indenture.

         "Loan Payments"  means the amounts  required to be paid by the Borrower
in repayment of the Loan pursuant to the provisions of the Loan Note and Section
4.2 hereof.


                                       4
<PAGE>   9

         "Material  Adverse Effect" shall mean a material  adverse effect on the
business,  operations,  condition  (financial  or  otherwise) or prospect of the
Borrower.

         "Mortgage"  means  the  Mortgage,   Security  Agreement  and  Financing
Statement, of even or contemporaneous date herewith, executed by the Borrower in
favor of the Issuer and the Trustee,  and any substitute or replacement therefor
or any mortgage  hereafter  given to secure the  Borrower's  obligations  to the
Issuer hereunder and to the Trustee.

         "Permitted Encumbrances" means, as of any particular time: (i) the
Indenture; (ii) the Mortgage; (iii) this Agreement; and (iv) any other liens
permitted by this Agreement or the Mortgage.

         "Person" means and includes any individual,  corporation,  partnership,
joint  venture,   association,   joint-stock  company,   trust,   unincorporated
organization, or government or any agency or political subdivision thereof.

         "Prior Bonds" means the Town of Orrington,  Maine, Floating Rate Demand
Resource  Recovery  Revenue Bonds  (Penobscot  Energy  Recovery  Company Project
Series 1986A) and the Town of Orrington,  Maine,  Floating Rate Demand  Resource
Recovery  Revenue Bonds  (Penobscot  Energy  Recovery  Company  Project - Series
1986B).

         "Repayment  Installment" means any amount that the Borrower is required
to pay  directly to the Trustee  pursuant to Section 4.2 of this  Agreement as a
repayment of the Loan.

         "Revenue  Fund"  means  the  special  fund by  that  name  created  and
established by and pursuant to the Indenture.

         "Revenues" shall have the meaning assigned to such term in the
Indenture.

         "Shared  Rights"  means all of the rights of the Issuer to enforce  and
consent to the  modification of or waiver of compliance with the Loan Note, this
Agreement and the Mortgage.

         "Support Agreements" shall have the meaning assigned to such term in
the Indenture.

         "Trust Estate" shall have the meaning assigned to such term in the
Indenture.

         "Unassigned  Issuer's Rights" means all of the rights of the Issuer (a)
in, to and under the Mortgage and, pursuant thereto,  the Collateral,  including
the Facility,  and the right to enforce,  and consent to the  modification of or
waiver of compliance with, the foregoing; (b) to enforce and


                                       5
<PAGE>   10

consent to the  modification of or waiver of compliance with, the conditions and
covenants  of the Borrower  referred to in Sections 6.7 and 6.12 hereof;  (c) to
receive Additional  Payments due and owing to the Issuer under the Loan Note and
Section  4.3  hereof;  (e) under  Sections  6.5 and 6.8  hereof;  (f) to give or
withhold  consent under Section 6.3 hereof;  (g) to give or withhold  consent to
amendments,  changes,   modifications,   alterations  and  termination  of  this
Agreement  under  Section 9.5 hereof and in the  definition  of Capital  Reserve
Premium contained in Section 1.1 hereof;  and (f) to receive notices  hereunder,
and in each such case any corresponding  rights under the Loan Note.  Unassigned
Issuer's  Rights does not include any rights of the Trustee  under the foregoing
Sections  and  provisions,  including  but not  limited  to its right to receive
Additional Payments under the Loan Note and Section 4.3(b) hereof, and under the
Mortgage.

         Section I.2  Rules of Construction.

         (a) Words of the  masculine  gender  shall be deemed and  construed  to
include correlative words of the feminine and neuter genders. Unless the context
shall otherwise indicate,  the words "Bond,"  "Bondholder," "owner" and "person"
shall include the plural as well as the singular number.

         (b) The Table of Contents, captions, and headings in this Agreement are
for convenience only and in no way limit the scope or intent of any provision or
section of this Agreement.

         (c) All  references  herein to  particular  articles  or  sections  are
references  to articles or  sections  of this Loan  Agreement  unless some other
reference is indicated.

         (d) All  references  herein to the Act or any  particular  provision or
section  thereof  shall  be  deemed  to  refer to any  successor,  or  successor
provision or section, thereof, as the case may be.

         (e)  Nothing  contained  in  this  Agreement  or any  of the  Financing
Documents  or  otherwise  shall be construed to cause the Borrower to become the
agent for the Issuer or the Trustee for any  purpose  whatsoever,  nor shall the
Issuer  or  the  Trustee  be  regarded  as an  agent  for  the  Borrower  unless
specifically  so provided,  or be  responsible  for any  shortage,  discrepancy,
damage,  loss or destruction of any part of the Facility wherever located or for
whatever cause.

         (f) All  approvals,  consents and  acceptances  required to be given or
made by any person or party  hereunder  shall be at the sole  discretion  of the
party whose  approval,  consent or acceptance  is required,  except as otherwise
provided herein.

         (g) This  Agreement  shall be governed by and  construed in  accordance
with the applicable laws of the State.


                                       6
<PAGE>   11

         (h) If any portion of any  provision of this  Agreement  shall be ruled
invalid by any court of competent  jurisdiction,  the invalidity or such portion
shall  not  affect  the  remainder  of such  provision  or any of the  remaining
provisions hereof.

         (i) Any  reference  to any Person shall be deemed to include the heirs,
personal  representatives,  successors and assigns (of the Borrower, only to the
extent permitted hereunder,  or otherwise permitted in writing by the Issuer) of
such Person, unless the context clearly indicates otherwise.

         (j) Any  reference to a period of days shall be deemed to mean a period
of calendar days, unless Business Days are specified.

         (k) Any references  herein or in the Financing  Documents to any of the
Financing  Documents,  the Indenture or the Bonds shall be deemed to include any
amendments, modifications,  supplements, replacements,  substitutions, allonges,
appendices,  attachments,  exhibits  and  schedules  thereto  or  therefor,  now
existing or hereafter created.

                                   ARTICLE II

                        REPRESENTATIONS AND UNDERTAKINGS

         Section  II.1  Representations  by the  Issuer.  The  Issuer  makes the
following  representations  as the basis for the undertakings on its part herein
contained:

         (a) The  Issuer  is a public  body  politic  and  corporate  and a duly
created and validly existing agency of the State and is authorized and empowered
by the provisions of the Act to enter into the transactions  contemplated by the
Issuer  Documents  and  the  Bonds.  The  Electric  Rate  Stabilization  Project
constitutes and will constitute an "eligible  project" within the meaning of the
Act. By proper  action by the  Issuer,  the Issuer has been duly  authorized  to
execute and deliver this Agreement and the  Indenture,  to issue and deliver the
Bonds and to use the proceeds  thereof to provide  funds for the  Electric  Rate
Stabilization Project.

         (b) The  Issuer  has  taken  all  action  and  has  complied  with  all
provisions of law,  including  without  limitation  the Act, with respect to the
execution,  delivery and  performance of the Issuer  Documents and the Bonds and
the due  authorization  of the  consummation  of the  transactions  contemplated
hereby and thereby,  and the taking of any and all actions as may be required on
the  part of the  Issuer  to carry  out,  give  effect  to and  consummate  such
transaction;  and the Issuer Documents and the Bonds have been duly executed and
delivered by, and constitute the legal, valid,


                                       7
<PAGE>   12

and binding agreements or obligations of, the Issuer,  enforceable in accordance
with their respective terms,  except as enforcement may be limited by applicable
bankruptcy,  insolvency,  moratorium or other similar laws affecting  creditors'
rights or the enforcement thereof and by general principles of equity.

         (c) The execution  and delivery of the Issuer  Documents and the Bonds,
the consummation of the transactions  contemplated  hereby and thereby,  and the
fulfillment  of or compliance  with the terms hereof and thereof do not and will
not conflict with or constitute on the part of the Issuer a violation of, breach
of, or default under any constitutional provision or statute or any agreement or
instrument  to which the Issuer is a party or by which the  Issuer is bound,  or
any order, rule,  regulation or ordinance of any court or governmental agency or
body having  jurisdiction  over the Issuer or any of its activities or property;
and all  consents,  approvals,  authorizations  and  orders of  governmental  or
regulatory  authorities,  if any, which are required for the consummation of the
transactions  contemplated  in the  Financing  Documents and the Bonds have been
obtained.

         (d) There is no action, suit,  proceeding or investigation at law or in
equity  before or by any  court,  public  board or body  pending  or  threatened
against or affecting  the Issuer,  or to the best  knowledge of the Issuer,  any
basis  therefor,  wherein  an  unfavorable  decision,  ruling or  finding  would
adversely affect the transactions  contemplated  hereby or by the Indenture,  or
which, in any way, would adversely affect the validity of the Series 1998 Bonds,
the Indenture or the Financing  Documents,  or any  agreement,  or instrument to
which  the  Issuer  is a party  and  which  is used or  contemplated  for use in
consummation of the transactions contemplated hereby and by the Indenture.

         Section II.2  Representatons  by the Borrrower.  The Borrower makes the
following  representations  as the basis for the undertakings on its part herein
contained:

         (a) The Borrower is a limited  partnership  duly  organized and validly
existing under the laws of the State,  is in good standing under the laws of the
State and has the power to enter into and perform the transactions  contemplated
by the Borrower Documents.

         (b) By proper partnership  action, the Borrower has duly authorized the
execution  and delivery of the Borrower  Documents and the  consummation  of the
transactions  contemplated  hereby  and  thereby,  and the taking of any and all
actions as may be required on the part of the Borrower to carry out, give effect
to and consummate such  transactions;  and the Borrower Documents have been duly
executed and delivered by, and constitute legal,  valid, and binding  agreements
of, the Borrower,  enforceable in accordance with their respective terms, except
as enforcement may be limited by applicable bankruptcy,  insolvency,  moratorium
or other similar laws affecting creditors' rights or the enforcement thereof and
by general principles of equity.


                                       8
<PAGE>   13

         (c) The Borrower has, and hereafter will have,  good and marketable fee
simple title to the Facility, subject only to Permitted Encumbrances.

         (d)  The  execution  and  delivery  of  the  Borrower  Documents,   the
consummation  of the  transactions  contemplated  hereby  and  thereby,  and the
fulfillment  of or  compliance  with the terms and  conditions  of the  Borrower
Documents  do not (i)  conflict  with or result in a breach of any of the terms,
conditions,  or  provisions  of its  partnership  agreement or any  agreement or
instrument  to which the  Borrower is now a party or by which it is bound,  (ii)
constitute a default under any of the  foregoing,  (iii) except as  contemplated
hereby or thereby,  result in the creation or imposition of any lien, charge, or
encumbrance of any nature  whatsoever  upon any of the property or assets of the
Borrower under the terms of any instrument or agreement to which the Borrower is
now a party or by which it is bound, or (iv) violate any provision of law or any
regulation  applicable to the Borrower or any  applicable  writ or decree of any
court or governmental  authority having jurisdiction over the Borrower or any of
its activities or property.

         (e) There is no action or  proceeding  pending or, to the  knowledge of
the Borrower,  threatened against the Borrower before any court,  administrative
agency or  arbitration  board  that may  adversely  affect  the  ability  of the
Borrower  to  perform  its  obligations  under the  Financing  Documents  or the
Facility   Agreements  and  all   authorizations,   consents  and  approvals  of
governmental  bodies or agencies  required in connection  with the execution and
delivery  of  the  Financing  Documents  and  the  Facility  Agreements  and  in
connection  with the  performance  of the  Borrower's  obligations  hereunder or
thereunder have been obtained.

         (f) The Borrower  consents to the  references to it in the  Preliminary
Official  Statement dated June 9, 1998 and the Official Statement dated June 16,
1998 relating to the Bonds.  With respect to the Borrower and the Facility,  the
Preliminary  Official  Statement  did  not  as of its  date,  and  the  Official
Statement  did not as of its date and will not as of the date of delivery of the
Bonds to the initial purchasers  thereof,  contain (or incorporate by reference)
an untrue  statement  of a  material  fact or omit to state (or  incorporate  by
reference)  a  material  fact  necessary  to make  the  statements  therein  (or
incorporated by reference),  in light of the circumstances under which they were
made, not misleading.

         (g) The Borrower is in  compliance  with all  applicable  Environmental
Laws except for matters which, individually or in the aggregate,  could not have
a Material Adverse Effect.

         (h) The Borrower has all Environmental Approvals necessary or desirable
for the ownership and operation of its properties, facilities, and businesses as
presently  owned and operated  except for matters which,  individually or in the
aggregate, could not have a Material Adverse Effect.

         (i) There is no Environmental Claim pending or, to the knowledge of the
Borrower after due inquiry,  threatened,  and there are no past or present acts,
omissions, events or


                                       9
<PAGE>   14

circumstances  that could form the basis of any Environmental  Claim against the
Borrower except for matters which,  individually or in the aggregate,  could not
have a Material Adverse Effect.

         (j) No facility or property now or previously owned, operated or leased
by the Borrower is an Environmental Cleanup Site.

                                   ARTICLE III

             ELECTRIC RATE STABILIZATION PROJECT; ISSUANCE OF BONDS;
                           AUTHORIZED REPRESENTATIVES

         Section  III.1  Agreement  to  Complete  Electric  Rate   Stabilization
Project. The Borrower agrees that it will exercise due diligence to complete, or
cause to be completed,  the Electric Rate  Stabilization  Project as promptly as
practicable after receipt by the Trustee of proceeds from the sale of the Bonds.

         Section III.2  Agreement to Issue Bonds;  Application of Bond Proceeds.
In order to provide the Borrower  moneys  necessary to effect the Electric  Rate
Stabilization  Project,  the Issuer agrees that it will sell and cause the Bonds
to be delivered to the purchasers  thereof in the aggregate  principal amount of
$44,995,000 and will thereupon (i) deposit in the Debt Service Fund the premium,
if any, received on the sale of the Bonds, together with accrued interest on the
Bonds from June 15, 1998 to the date of delivery of the Bonds, and (ii) transfer
the balance of the  proceeds  received  from said sale to the Prior  Trustee (as
defined in the Indenture).

         Section III.3 Borrower  Required to Fund  Insufficiency..  In the event
the Bond proceeds  available for the costs of refunding  the  outstanding  Prior
Bonds shall not be sufficient to pay such costs in full, the Borrower  agrees to
pay,  or cause to be  paid,  all that  portion  of the  costs of  refunding  the
outstanding  Prior  Bonds as may be in excess of such  Bond  proceeds  available
therefor. The Issuer does not make any warranty, either express or implied, that
such Bond  proceeds  will be  sufficient to pay all the costs which have been or
will be incurred in  connection  with the  refunding  of the  outstanding  Prior
Bonds.  The  obligation  of the Borrower to refund the  outstanding  Prior Bonds
shall survive any termination of this Agreement.

         Section III.4 Authorized  Representatives of the Borrower. The Borrower
shall  designate,  in the manner  prescribed  in Section 1.1 hereof,  Authorized
Representatives. In the event that any person so designated and his alternate or
alternates,  if any,  should become  unavailable or unable to take any action or
make any  certificate  provided  for or required in this  Agreement,  successors
shall be appointed in the same manner.


                                       10
<PAGE>   15

                                   ARTICLE IV

            EFFECTIVE DATE AND DURATION OF THIS AGREEMENT; REPAYMENT
            PROVISIONS; AND UNCONDITIONAL OBLIGATION OF THE BORROWER

         Section  IV.1  Effective  Date and  Duration  of this  Agreement.  This
Agreement and the  covenants of the Borrower  hereunder  shall become  effective
upon its  delivery,  and  shall  continue  in full  force and  effect  until the
principal  of and  interest  on the  Bonds,  together  with  all  Administrative
Expenses  and all other sums to which the  Issuer or the  Trustee  are  entitled
hereunder or under the  Indenture,  shall have been fully paid (or provision for
such payment has been made in accordance  with the provisions of the Indenture);
provided,  however, that the Borrower's  obligations under Section 4.3 (but only
to the extent such obligations  have vested prior to  termination),  Section 6.7
and Section 6.14 hereof shall survive termination of this Agreement.

         Section IV.2  Loan Clauses; Loan Note

         (a)  Subject to the  conditions  and in  accordance  with the terms and
provisions  of this  Agreement,  the Issuer  agrees to lend to the  Borrower the
proceeds  received from the sale of the Bonds  (excluding  any accrued  interest
paid upon the original  delivery  thereof) in accordance  with the Indenture and
with this Agreement.

         (b) To evidence,  secure and provide for the repayment of the Loan, and
to  evidence,  secure and provide for the payment of  Additional  Payments,  the
Borrower hereby and concurrently  herewith  delivers to the Issuer its Loan Note
of like  aggregate  principal  amount,  maturity dates and interest rates as the
Bonds and providing for Loan Payments and Additional  Payments  thereunder.  The
Borrower agrees to repay the Loan and pay the Additional  Payments in accordance
with  the  terms  of the Loan  Note,  this  Agreement  and all  other  Financing
Documents. The originally scheduled Loan principal payments are shown on Exhibit
B hereto.

         (c) The Borrower  acknowledges receipt of a copy of the Indenture.  The
Borrower  agrees to pay, or cause to be paid, as a Repayment  Installment on the
Loan, an amount which, when added to other moneys available therefor in the Debt
Service Fund, will be sufficient to pay the principal of,  premium,  if any, and
interest  on the  Bonds  due and  payable  on each  Interest  Payment  Date  and
Principal  Payment  Date,  whether at  maturity,  upon  mandatory  sinking  fund
redemption,  upon  optional or  mandatory  redemption  prior to  maturity,  upon
declaration  accelerating  the maturity in  accordance  with the  Indenture,  or
otherwise.  With respect to all payments due under this  Agreement  and the Loan
Note,  time is of the  essence.  All  payments  on the Loan Note must be paid in
immediately  available  funds as and when due, to the Trustee for the account of
the Issuer, at the


                                       11
<PAGE>   16

designated  corporate  trust office of the Trustee or at such other place in the
United  States as the Trustee may direct in writing,  by wire  transfer,  in the
amounts and at the times required by the Indenture with respect to the Bonds.

         (d) Upon the  occurrence  of any Event of Default  under the  Indenture
because of which the  principal  of and accrued  interest on the Bonds have been
accelerated under Section 7.02 thereof, written notice of which acceleration has
been given by the  Trustee to the  Issuer,  the  Issuer,  or the  Trustee on the
Issuer's  behalf,  may declare the principal  amounts payable under this Section
for the  remainder of the term of the Loan  Agreement,  and under the Loan Note,
and the interest accrued and unpaid thereon,  to be immediately due and payable,
whereupon the same shall become immediately due and payable.  In such event, the
Issuer and the Trustee  shall have access to and may  inspect,  examine and make
copies of the  Borrower's  books and records  and any and all of the  Borrower's
accounts,  data, and income and other tax returns,  and may take whatever action
at law or in equity may appear  necessary  or  desirable to collect such amounts
then due and thereafter to become due, or to enforce  performance and observance
of any  obligation,  agreement or covenant of the Borrower  under this Agreement
and the Loan Note.

         (e) Upon payment in full of the Bonds (or provision for payment thereof
sufficient to cause all of the Outstanding  Bonds to be deemed to have been paid
within the  meaning of Section  9.02 of the  Indenture)  and all  Administrative
Expenses and other fees,  reimbursement  payments and charges of the Trustee and
the Issuer provided herein, this Agreement shall terminate,  provided,  however,
that the Borrower's  obligations under Sections 4.3 (but only to the extent such
obligations have vested prior to termination), 6.7 and 6.14 hereof shall survive
termination of this Agreement.

         Section IV.3  Additional Amounts Payable

         (a) The Borrower hereby further  expressly  agrees to pay to the Issuer
or the Trustee,  as  applicable,  as and when the same shall become due, (i) the
fees,  including without limitation the Capital Reserve Premium,  and reasonable
expenses  of the  Issuer  as  provided  in the  Financing  Documents,  (ii)  the
reasonable  fees,  charges  and  expenses  of the  Issuer  and  the  Trustee  in
connection  with or arising out of or relating to the issuance and  servicing of
the Bonds, the making,  servicing,  administration  or collection of the Loan or
exercise of any rights or responsibilities  under the Financing  Documents,  the
Indenture  or the Bonds,  including  reasonable  charges of  counsel,  (iii) the
reasonable fees and charges of the Trustee,  any Co-Trustee,  any Authenticating
Agent,  any Paying Agent and the Registrar for  services,  including  reasonable
charges of counsel, rendered by it directly or indirectly in connection with the
Loan or the  Bonds,  (iv) any  amounts  that may be  required  to be paid by the
Issuer or the  Borrower  pursuant  to  Article  XIII of the  Indenture,  (v) any
amounts that may be required to be paid by the Borrower pursuant to Section 6.14
of this Agreement, and (vi) the fees and charges of the Rating Services.


                                       12
<PAGE>   17

         (b) The Borrower also agrees to pay all amounts payable by it under the
Financing  Documents and the Mortgage,  including without limitation Section 6.7
hereof,  at the time, in the manner and to the party therein  provided,  without
delay, reduction or offset of any kind or for any reason.

         (c) In the event the Borrower  shall fail to make, or cause to be made,
any of the  payments  required  hereby,  the unpaid  item or  installment  shall
continue as an  obligation  of the  Borrower  until such amount  shall have been
fully paid,  and the Borrower  agrees to pay, or cause to be paid, the same with
interest  thereon from the date of failure or, in the case of payments  required
by Sections  4.3(a)(ii),  (iii) and (iv) hereof, the date 30 days after the date
on which the Borrower is notified  thereof,  at the  interest  rate borne by the
Bonds until fully paid,  except as may  otherwise be provided by Article XIII of
the Indenture.

         (d) The  Additional  Payments  provided for herein and in the Loan Note
shall be made in immediately  available funds as and when due directly to or for
the  account of the  entitled  party.  In the event a party  entitled to payment
directs in  writing  that such  payment  be made to another  party in the United
States, the Borrower shall make payments to such designee.

         Section IV.4 Optional Prepayments.  (a) At any time on or after July 1,
2008, the Borrower  shall have, and is granted,  the option to prepay all or any
portion of the amount  payable  under  Section  4.2 hereof  with  respect to the
Bonds, by taking or causing the Issuer to take the actions required to redeem in
whole or in part the principal amount of the Bonds to be redeemed and to pay the
interest accrued thereon to the date of redemption  pursuant to Section 2.04(a),
(b) or (c) of the Indenture.

         (b) There is  expressly  reserved to the  Borrower  the right,  and the
Borrower is authorized and permitted as provided in the Indenture,  to prepay by
direct payment of Bonds or delivery of Bonds for cancellation all or any part of
the amounts payable under Section 4.2 hereof with respect to the Bonds,  and the
Issuer  agrees that the Trustee  may accept such  prepayments  when the same are
tendered  by the  Borrower.  All  amounts  so  prepaid  or Bonds  delivered  for
cancellation shall be credited to sinking fund installments, or the Borrower may
direct  the  Trustee to apply  such  payments  to the  redemption  of Bonds,  in
accordance with Section 2.04(a), (b) or (c) of the Indenture.

         Section IV.5 Prepayment; Extraordinary and Special Optional Redemption.
There is expressly reserved to the Borrower the right to prepay all or a portion
of the amounts  payable under Section 4.2 hereof with respect to Bonds to effect
a  redemption  of Bonds  pursuant  to  Section  2.04(d)  or (e)(1) or (2) of the
Indenture,  which right shall be exercised by the Borrower  (except with respect
to clause (v) of Section 2.04(e)(1),  which shall be exercised by the Issuer) or
in the event any of the  requirements  specified in Section 6.3 hereof shall not
have been satisfied.


                                       13
<PAGE>   18

         Seciton IV.6 Notice of Prepayment. To exercise any prepayment option of
the Borrower  pursuant to Section 4.4 or 4.5 of this  Agreement,  an  Authorized
Representative  of the  Borrower  shall give the Issuer and the Trustee a notice
designating the principal amount of the Bonds to be redeemed, and specifying the
date of redemption,  which shall not be less than  forty-five  (45) days (unless
the Trustee  accepts a shorter  period of not less than 30 days)  following  the
date such notice is given.

         The Borrower  shall  furnish any moneys (or amounts  shall be available
for redemption  under the  Indenture)  required by the Indenture to be deposited
with the Trustee or otherwise paid by the Issuer or Borrower in connection  with
any prepayment pursuant to Section 4.4 or 4.5 hereof.


                                       14
<PAGE>   19

                                    ARTICLE V
                              SECURITY FOR PAYMENT


         Section V.1  Obligations of the Borrower Hereunder Unconditional.

         The  obligations  of the  Borrower  to make,  or cause to be made,  the
payments  required herein and under the Loan Note and to perform and observe the
other  agreements on its part  contained  herein and in the Financing  Documents
shall be absolute and  unconditional,  irrespective of any defense or any rights
of set-off,  recoupment, or counterclaim it might have against the Issuer or the
Trustee.  The Borrower  shall pay, or cause to be paid,  all  payments  required
hereunder  and  under  the  Loan  Note,  free  of  any  deductions  and  without
postponement,  abatement,  set-off  or  diminution;  and until  such time as the
principal of and interest on the Bonds and all other amounts due hereunder shall
have been fully paid, or provision for the payment  thereof shall have been made
in accordance with the Indenture, the Borrower:

                  (i) shall not suspend or discontinue, or cause to be suspended
                  or discontinued, any such payments required hereby or under
                  the Financing Documents;

                  (ii) shall perform and observe all of its other agreements
                  contained in this Agreement and the Mortgage; and

                  (iii) shall not terminate this Agreement (other than as
                  provided herein)

for any cause, including,  without limiting the generality of the foregoing, the
occurrence  of  any  acts  or  circumstances  that  may  constitute  failure  of
consideration; commercial frustration of purpose; any change in the tax or other
laws  of the  United  States  of  America  or of  the  State  or  any  political
subdivision of either thereof;  any failure of the Issuer to perform and observe
any agreement, whether express or implied, or any duty, liability, or obligation
arising out of or connected  with this  Agreement,  the  Financing  Documents or
Indenture;  or failure of the  Facility to comply  with any  statute,  rule,  or
regulation  now or  hereafter  made  applicable  thereto.  Except to the  extent
provided in this  Section  5.1,  nothing  contained in this Section 5.1 shall be
construed to prevent or restrict the Borrower  from  asserting any rights it may
have against the Issuer,  the Trustee or any other  Person  under the  Financing
Documents or the Indenture or under any provisions of law.

         Sction V.2 Assignment of Rights Under Facility Agreements. The Borrower
hereby assigns, transfers,  conveys, grants a security interest in and sets over
unto the Issuer and the Trustee to secure the Borrower's  obligations under this
Agreement,  all of Borrower's estate, right, title and interest in, to and under
each Facility Agreement including, without limitation, the following:


                                       15
<PAGE>   20

                  (i) all amounts payable to the Borrower under the Facility
            Agreements;

                  (ii) all claims,  rights,  privileges and remedies on the part
            of Borrower,  whether  arising  under the Facility  Agreements or by
            statute or at law or in equity or  otherwise,  arising  out of or in
            connection  with any failure by any party to any Facility  Agreement
            to  make  any  payment  under  the  Facility   Agreements   assigned
            hereunder;

                  (iii) all amounts  payable to the Borrower by any party to any
            Facility  Agreement  as a result of the  exercise of any such claim,
            right, privilege or remedy; and

                  (iv) all rights of the  Borrower to  exercise  (subject to the
            provisions of Section 5.5 hereof relating to the giving of notice to
            the  Borrower)  any  election  or option or to give or  receive  any
            notice,  consent,  waiver or  approval  under or in  respect  of the
            Facility  Agreements,  and the right (but not the  obligation) to do
            any and all other things the Borrower is entitled to do thereunder;

together with full power of authority, in the name of the Borrower or otherwise,
to enforce,  collect,  receive  and  receipt  for any and all of the  foregoing;
provided,  however,  that until the occurrence of an Event of Default hereunder,
the Borrower may  exercise all its rights under the Facility  Agreements  except
(a) the right to receive any moneys due or to become due  thereunder and (b) any
right  thereunder that is inconsistent  with the rights of the Trustee under any
provision  of  this   Agreement  or  in  violation  of  any  of  the  Borrower's
representations,   warranties,   agreements  or  covenants  set  forth  in  this
Agreement.

         Section V.3 Collateral Assignment.  The assignment evidenced by Section
5.2 of this  Agreement  is intended  to be a  collateral  assignment  of all the
Borrower's  interest in and to the Facility  Agreements.  So long as no Event of
Default shall have occurred and be continuing,  the Issuer and the Trustee shall
not exercise any rights under  Section 5.2 hereof other than as provided in said
Section 5.2.

         Section V.4 Payment of Assigned  Sums. The Borrower  hereby  presently,
unconditionally and irrevocably directs each other party to a Facility Agreement
to pay all moneys assigned pursuant to Section 5.2 to the Trustee for collection
and deposit into the Revenue Fund (as defined in the Indenture) unless otherwise
directed  by the  Issuer  or the  Trustee  in  writing  in  accordance  with the
provisions of this Agreement.

         Section V.5 Exercise of Rights by  Borrower.  Except as provided in the
proviso to Section 5.2 or in Section  5.6 hereof,  the Issuer or the Trustee may
exercise any election or option or give any notice,  consent, waiver or approval
under, or deliver any requisition for payment under, or


                                       16
<PAGE>   21

take any other action in respect of, any of the Facility  Agreements without any
approval  of or action by the  Borrower,  but the  Borrower  shall  nevertheless
execute and deliver any instrument  requested by the Issuer or the Trustee to be
executed and  delivered by the Borrower in  connection  with the exercise by the
Issuer or the Trustee of any such election or option or the giving by the Issuer
of any such notice,  consent,  waiver or approval or the taking by the Issuer or
Trustee of any such  other  action.  So long as no Event of  Default  shall have
occurred and be  continuing,  the Issuer and the Trustee  shall not exercise any
rights under this Section.

         Section  V.6 No Release or  Assumption.  Notwithstanding  any  contrary
provision  herein or in any Facility  Agreement,  (i) the Borrower  shall at all
times  remain fully  liable  under the  Facility  Agreements  to perform all the
Borrower's  duties  and  obligations  thereunder  to the same  extent as if this
Agreement had not been  executed,  (ii) neither this Agreement nor any action or
inaction on the part of the  Borrower,  the Issuer or the Trustee  shall release
the  Borrower  from any of its  obligations  under the  Facility  Agreements  or
constitute an assumption of any such  obligations  by the Issuer or the Trustee,
(iii) neither the Issuer nor the Trustee shall have any  obligation or liability
under the Facility  Agreements or otherwise  arising out of this Agreement,  nor
shall the Issuer or the  Trustee  be  obligated  in any  manner to  perform  any
obligation of the Borrower under or pursuant to the Facility Agreements and (iv)
no default or breach by or action or failure to act by the Borrower with respect
to the  Facility  Agreements  shall  adversely  affect or limit the  rights  and
interests of the Issuer under this Agreement or, through this  Agreement,  under
the Facility Agreements.

         Section V.7  Security Clauses

         (a)  The  Issuer   hereby   notifies  the  Borrower  and  the  Borrower
acknowledges that, among other things, Borrower's Loan Payments evidenced hereby
and by the Loan Note and all of the Issuer's  right,  title and  interest  under
this Agreement and the Loan Note (except  Shared  Rights,  which with respect to
rights of enforcement  may be exercised by the Issuer and the Trustee jointly or
severally,  and with  respect  to rights of consent  to the  modification  of or
waiver of compliance may be exercised by the Issuer and the Trustee  jointly but
not severally,  and Unassigned  Issuer's Rights) are being concurrently with the
execution  and  delivery  hereof  assigned  without  recourse  to the Trustee as
security for the Bonds as provided in the Indenture.

         (b) The Borrower  acknowledges  that each of the Trustee and the Issuer
may (except with  respect to Shared  Rights,  except that with  respect  thereto
rights  of  enforcement  may be  exercised  by the  Trustee  either  jointly  or
severally with the Issuer, and rights to consent to the modification  thereof or
to waive  compliance  therewith may be exercised by the Trustee jointly with the
Issuer but not severally, and Unassigned Issuer's Rights),  exercise any and all
of their  respective  rights  against the Borrower  pursuant to or in connection
with this  Agreement and the Loan Note,  and the Borrower shall not question the
authority of any such party to exercise such rights.


                                       17
<PAGE>   22

         Section V.8 Pledge of Trust Estate.  It is  understood  and agreed that
the Trust Estate shall be pledged and assigned to the Trustee for the benefit of
the  Bondholders.  The Borrower assents to such pledge and assignment and agrees
to execute and deliver to the Trustee any necessary  financing  statements under
the Uniform Commercial Code as in effect in the State of Maine.

         Section V.9 Receipt by Trustee of Payments  Under  Facility  Agreements
and Other  Contracts;  Enforcement  and  Amendment of Facility  Agreements.  The
Borrower shall direct each party to the Facility Agreements to transfer directly
to the Trustee  and the  Trustee  shall  receive  and  forthwith  deposit in the
Revenue  Fund all  amounts  payable to the  Borrower  pursuant  to the  Facility
Agreements.  The Borrower shall immediately  deliver any amounts delivered to it
by any party to any  Facility  Agreement  to the  Trustee.  The  Borrower  shall
enforce or cause to be enforced the  provisions of the Facility  Agreements  and
duly perform its  covenants  and  agreements  thereunder.  A copy of each of the
Facility  Agreements  certified by an Authorized  Representative of the Borrower
shall  be  filed  with  the  Issuer  and the  Trustee,  and a copy  of any  such
amendment,  consent,  waiver  or other  instrument  certified  by an  Authorized
Representative of the Borrower shall be filed with the Issuer and the Trustee.

                                   ARTICLE VI

                                SPECIAL COVENANTS

         Section VI.1 No Warranty of Condition or Suitability by the Issuer. The
Issuer makes no warranty,  either  express or implied,  as to the Electric  Rate
Stabilization  Project,  or that the Electric Rate  Stabilization  Project is or
will be suitable for the Borrower's purposes or needs.

         Section VI.2 No Warranty of Condition or Suitability by the Issuer. The
Borrower  agrees that it will not operate or cause to be operated  the  Facility
contrary  to, and will  maintain or cause to be  maintained  the Facility at all
times hereafter,  in all material  respects,  in accordance with, all applicable
provisions of the Facility  Agreements,  will maintain or cause to be maintained
all necessary licenses and permits for the operation of the Facility, and at its
own expense and shall defray all costs in connection  therewith  (including from
time to time all  necessary  repairs,  renewals  and  replacements)  so that the
Facility and all other facilities  necessary or incidental thereto shall be kept
in good repair and in good operating condition.

         Section VI.3 Damage; Repair of Damage; Condemnation. (a) In the event
of the occurrence of any damage or loss to the Facility, there shall be no
abatement or reduction in the payments required by Section 4.2 or 4.3 hereof to
be made by the Borrower. Any Insurance


                                       18
<PAGE>   23

Proceeds  payable by reason of such damage or loss shall be paid as set forth in
the Indenture and applied in the manner set forth herein and in the Mortgage.

         (b) In the event that title to or the temporary use of the Facility, or
any part thereof, shall be taken in condemnation or by the exercise of the power
of eminent domain by any governmental body or by any person, firm or corporation
acting under governmental authority, there shall be no abatement or reduction in
the  payments  required  under  Section  4.2 or 4.3  hereof  to be  made  by the
Borrower. Any condemnation proceeds payable by reason of such loss shall be paid
as set  forth in the  Indenture  and  applied  in the  manner  set  forth in the
Mortgage.

         (c) If,  pursuant to the provisions of the Mortgage,  there shall be an
election to restore the Facility, the Borrower shall forthwith proceed with such
restoring  and upon the  completion  thereof  shall  notify  the  Issuer and the
Trustee of such completion.  Notwithstanding  the foregoing,  the Borrower shall
have no  obligation  to  undertake  any such  restoration  if it delivers to the
Trustee a certificate signed by an Authorized  Representative to the effect that
the taking  will not affect the ability of the  Facility  to  generate  Revenues
sufficient  to pay  principal  of and  premium,  if  any,  and  interest  on the
Outstanding Bonds when due and all other  indebtedness for money borrowed by the
Borrower and other  Administrative  Expenses  and to pay costs of operating  and
maintaining the Facility as and when due.

         Section VI.4 [Reserved]

         Section VI.5 Issuer's  Right of Inspection  and Access.  The Issuer and
the  Trustee  and  their  duly  authorized  agents  shall be  permitted,  at all
reasonable times and upon reasonable notice, to examine the books and records of
the Borrower  with respect to the  Facility or the Electric  Rate  Stabilization
Project,  the Loan Note,  the  Borrower's  business  generally,  and any records
maintained  by the  Issuer  pertaining  to the  Borrower,  the  Facility  or the
Electric Rate Stabilization  Project,  and the Borrower shall furnish the Issuer
and the  Trustee  with such  information,  statements  and  certificates  as may
reasonably be required from time to time.

         Section  VI.6 Conduct of Business.  The Borrower  covenants  and agrees
that so long as any  Bonds  are  Outstanding  it  will  remain  qualified  to do
business in all  jurisdictions  necessary  in the  operation of its business and
will not otherwise dispose of all or substantially all of its assets.

         The Borrower  further  covenants that it will remain subject to service
of process in the State of Maine so long as any Bonds are Outstanding.

         Section VI.7 Indemnification Covenants.


                                       19
<PAGE>   24

         (a) The  Borrower  agrees to  protect,  defend  and hold  harmless  the
Trustee and the Issuer and their respective directors, agents, officers, members
and employees (each an "Indemnified  Party") from and against any claim, demand,
suit,  action,  liability,  loss,  damage,  fine,  penalty or expense (including
out-of-pocket  and  incidental  expenses  and  legal  fees) or other  proceeding
whatsoever by any Person, including any violation or breach of any Environmental
Law by the Borrower,  or any Environmental  Claim arising out of the management,
use, control,  ownership or operation of the Facility  (collectively,  "Losses")
imposed on, incurred by or asserted against the Borrower, arising or purportedly
arising from or in connection with the Financing Documents,  the Indenture,  the
Bonds, or the  transactions  contemplated by or actions taken under any thereof,
or,  with  respect to the  Trustee,  for  following  any  instructions  or other
directions upon which the Trustee is authorized to rely pursuant to the terms of
the Indenture,  the Bonds or the financing Documents,  except for any bad faith,
willful misconduct,  material  misrepresentation or gross negligence on the part
of the Indemnified  Party. The Borrower agrees to indemnify and hold the Trustee
and  its  directors,   officers,   agents  and  employees   (collectively,   the
"Indemnitees")  harmless  from  and  against  any and all  claims,  liabilities,
losses,  damages, fines,  penalties,  and expenses,  including out-of-pocket and
incidental  expenses and legal fees  ("Losses") that may be imposed on, incurred
by, or  asserted  against,  the  Indemnitees  or any of them for  following  any
instructions  or other  directions  upon which the Trustee is authorized to rely
pursuant to the terms of the Indenture, the Bonds or the Financing Documents.

         (b) The Borrower releases each Indemnified Party from, agrees that each
Indemnified  Party shall not be liable for, and agrees to hold each  Indemnified
Party harmless against any damages or reasonable expenses, including (subject to
subparagraph  (d) of this  Section)  reasonable  charges  of  counsel,  incurred
because of any  investigation,  review or lawsuit  commenced by any Person other
than the Borrower with respect to the Financing  Documents,  the Indenture,  the
Bonds or the Facility,  except for any bad faith,  willful misconduct,  material
misrepresentation or gross negligence on the part of the Indemnified Party.

         (c) All covenants,  stipulations,  promises, agreements and obligations
of  the  Issuer   contained   herein  shall  be  deemed  to  be  the  covenants,
stipulations,  promises, agreements and obligations of the Issuer and not of any
member, officer or employee of the Issuer in his or her individual capacity, and
no  recourse  shall be had for the  payment  of the Loan or the Bonds or for any
claim based thereon or hereunder against any member,  officer or employee of the
Issuer or the Trustee or any natural person executing the Bonds.

         (d) In case any  action  shall be  brought  against  one or more of the
Indemnified  Parties  based  upon  any of the  above  and in  respect  of  which
indemnity  may be sought  against the  Borrower,  such  Indemnified  Party shall
notify the Borrower in writing,  enclosing a copy of all papers served,  but the
omission so to notify the  Borrower  of any such action  shall not relieve it of
any liability which it may have to any  Indemnified  Party other than under this
Section 5.5. In case


                                       20
<PAGE>   25

any such  action  shall be brought  against any  Indemnified  Party and it shall
notify the Borrower of the commencement  thereof, the Borrower shall be entitled
to  participate  in and, to the extent that it shall wish, to assume the defense
thereof with counsel  reasonably  satisfactory to such  Indemnified  Party,  and
after  notice from the  Borrower  to such  Indemnified  Party of the  Borrower's
election so to assume the defense  thereof the  Borrower  shall not be liable to
such  Indemnified  Party for any legal or other expenses,  other than reasonable
costs of  investigation,  subsequently  incurred  by such  Indemnified  Party in
connection with the defense thereof.  The Indemnified Party shall have the right
to employ its own counsel in any such action,  but the fees and expenses of such
counsel  shall  be at the  expense  of such  Indemnified  Party  unless  (i) the
employment  of  counsel by such  Indemnified  Party has been  authorized  by the
Borrower,  (ii) the Indemnified Party shall have reasonably concluded that there
is a conflict of interest between the Borrower and the Indemnified  Party in the
defense of such action (in which case the  Borrower  shall not have the right to
direct the defense of such action on behalf of the Indemnified  Party), or (iii)
the Borrower shall not in fact have employed counsel reasonably  satisfactory to
the Indemnified Party to assume the defense of such action.

         (e) In the event the  Borrower  fails to pay any amount or perform  any
act under the Financing Documents, the Trustee or the Issuer may, but shall have
no  obligation  to,  pay the  amount  or  perform  the act,  in which  event the
reasonable  costs,  disbursements,  expenses  and  charges of  counsel  thereof,
together with interest  thereon from the date the expense is paid or incurred at
the  highest  prime  rate  from  time to time as  published  in The Wall  Street
Journal,  plus two per centum (2%), shall be an additional  obligation hereunder
payable on demand.

         (f) The  obligations  of the Borrower  under this section shall survive
the  termination of this  Agreement.  This section is not for the benefit of any
person not an Indemnified  Party,  and no waiver of the Maine Tort Claims Act or
other applicable law is intended.

         Section VI.8  Assignment, Leasing and Selling.

         (a) Unless the Capital  Reserve Fund has been drawn upon,  and the time
has expired for the  restoration  thereof,  and the Capital Reserve Fund has not
been fully restored pursuant to Section 5.09 of the Indenture, without the prior
written consent of the Issuer, the Borrower may not assign its rights, interests
or obligations hereunder or under the Loan Note or sell the whole or any part of
the  Facility or lease the whole or any part of the Facility  necessary  for the
operation of the Facility at its designed capacity.

         (b) Without the prior written  consent of the Issuer,  the Borrower may
not assign or transfer this Agreement or any of its right,  title or interest in
any of the Facility Agreements or any Financing Agreements.


                                       21
<PAGE>   26

         Section VI.9 Environmental  Covenants.  (a) The Borrower covenants that
(1)  except  in  compliance  with  applicable  environmental  laws,  it has  not
discharged,  dumped, installed, stored, used, treated, transported,  disposed or
maintained,  and shall neither  discharge,  dump,  install,  store,  use, treat,
transport,  dispose or maintain  toxic,  hazardous,  or radioactive  substances,
materials or wastes,  including,  without limitation,  all of the following: (a)
asbestos in any form; (b) urea formaldehyde foam insulation; (c) transformers or
other  equipment  which  contain   dielectric  fluid  containing  any  level  of
polychlorinated biphenyls or (d) any other chemical, material or substance which
is prohibited,  limited, or regulated by any federal,  state, county,  regional,
local, or other  governmental  authority or which,  if not so regulated,  to the
knowledge of the Borrower  poses a substantial  hazard to health and safety (all
of which are referred to collectively herein as "Hazardous Substances"), and (2)
the  Borrower  is  not  the  subject  of any  existing,  pending  or  threatened
investigation or inquiry by, or of any remedial order or obligation issued by or
at the behest of, any  governmental  authority under any law, rule or regulation
pertaining to health or the  environment  except as described in the engineering
report  required by paragraph 13 of the Loan  Commitment  from the Issuer to the
Borrower with respect to the Loan.

         (b) The Borrower will comply with all applicable Environmental Laws.

         (c) Promptly upon becoming aware of any Environmental  Claim pending or
threatened against the Borrower, or any past or present acts, omissions,  events
or circumstances that could form the basis of such Environmental Claim, which if
adversely  resolved,  individually  or in the  aggregate,  could have a Material
Adverse  Effect,  the Borrower shall give the Trustee notice  thereof,  together
with a written statement of an Authorized Representative of the Borrower setting
forth the details  thereof and any action with respect thereto taken or proposed
to be taken by the Borrower.

         Section VI.10 Default and Litigation  Notification.  The Borrower shall
deliver to the Issuer and the Trustee,  within one hundred five (105) days after
the close of each fiscal year of Borrower, a certificate signed by an Authorized
Representative  to the  effect  that  the  Borrower  is in  compliance  with the
provisions  of  the  Financing   Documents  or  specifying  the  nature  of  the
noncompliance and the steps the Borrower is taking to correct any noncompliance.
Upon  becoming  aware of any condition or event which  constitutes,  or with the
giving of notice or the  passage of time would  constitute,  an Event of Default
under this Agreement, or an Event of Default (as defined in the Indenture) under
the Indenture, the Borrower promptly shall deliver to the Issuer and the Trustee
a notice  stating the existence and nature thereof and specifying the corrective
steps the Borrower is taking with respect  thereto.  The Borrower shall promptly
notify  the  Issuer  and  Trustee  of  the   commencement   of  any  litigation,
administrative,  enforcement or other proceeding by or against it, or the threat
thereof, in which an unfavorable  outcome could materially  adversely affect the
operation of the Borrower's business or compliance with the Financing Documents.


                                       22
<PAGE>   27

         Section  VI.11  Insurance.  The  Borrower  shall  maintain an insurance
policy  against  liability   appropriate  for  Borrower's   business  (including
environmental  insurance  to the  extent  available  on  reasonable  terms)  and
adequate workers' compensation  coverage, in each case with customary deductible
and self insurance provisions selected by the Borrower.

         Section VI.12 Additional covenants and Agreements.  The Borrower hereby
agrees to those  Additional  Covenants  and other matters set forth in Exhibit A
hereto.

         Section VI.13 No Liability of the Issuer.  Any obligation of the Issuer
created  by or  arising  out of this  Agreement,  including  the  Bonds  and the
Financing Documents, is not a general obligation of the Issuer or payable in any
manner from  revenues  raised by taxation or from the general funds and accounts
of the  Authority,  but shall be payable  solely out of  Revenues  and the other
moneys pledged under the Indenture.  In making the agreements,  provisions,  and
covenants  set forth in the  Indenture  and this  Agreement,  the Issuer has not
obligated itself except with respect to the Electric Rate Stabilization  Project
or the Facility and the application of the Revenues and the other moneys pledged
under the Indenture.  All covenants,  stipulations,  promises,  agreements,  and
obligations  of the Issuer  contained  herein  shall be deemed to be  covenants,
stipulations, promises, agreements, and obligations of the Issuer and not of any
member,  officer,  agent, or employee thereof in his or her individual capacity.
No recourse  shall be had for the payment of the principal of or of the interest
on the Bonds, for the performance of any obligation hereunder,  or for any claim
based thereon or hereunder against any such member,  officer,  agent or employee
or against any natural  person  executing  the Bonds.  No such member,  officer,
agent,  employee, or natural person is or shall become personally liable for any
such payment, performance, or other claim, and in no event shall any monetary or
deficiency  judgment  be sought or secured  against  any such  member,  officer,
agent,  employee,  or other natural person for any such payment,  performance or
other claim.

         Section VI.14 Incorporation of Tax Regulatory Agreement;  Determination
of Taxability. (a) The representations,  warranties, covenants and statements of
expectation  of the Borrower set forth in the Tax  Regulatory  Agreement  are by
this reference incorporated in this Agreement as though fully set forth herein.

         (b) If there shall occur a Determination of Taxability,  and the Issuer
exercises its option to require the redemption in whole of the Bonds, the Issuer
shall  provide to the Borrower  written  notice of its exercise of the option to
redeem the Bonds,  which notice shall  specify a Redemption  Date not later than
ninety (90) days from the date of such notice,  and the  Borrower  shall pay not
later than  thirty  (30) days  prior to the  Redemption  Date to the  Trustee an
amount  sufficient,  together  with all other  amounts  held by the  Trustee and
available  under  the  Indenture  for such  purpose,  to redeem  all Bonds  then
Outstanding, in accordance with Section 2.04(e) of the Indenture.


                                       23
<PAGE>   28

         (c) The obligation of the Borrower to make the payments provided for in
this Section shall be absolute and unconditional,  and the failure of the Issuer
or the Trustee to execute or deliver or cause to be delivered  any  documents or
to take any action  required under this Agreement or otherwise shall not relieve
the Borrower of its obligations  under this Section.  Notwithstanding  any other
provision of this Agreement or the Indenture,  the Borrower's  obligations under
this Section shall survive the termination of this Agreement and the Indenture.

         (d)  Notwithstanding  the  provisions of paragraph (b) above if, in the
opinion of Bond Counsel (as defined in the  Indenture),  redemption of less than
all of the  Bonds  will  preserve  the  tax-exempt  status  of  interest  on the
remaining Bonds, then only such amount need be redeemed, the particular Bonds to
be redeemed to be selected by lot by the Trustee or otherwise as required by the
Indenture or as specified in such final Determination of Taxability or opinion.

         Section VI.15  Maintenance of Facility  Agreements.  The Borrower shall
maintain such Facility  Agreements  in effect as shall be  sufficient,  together
with other  Revenues,  to permit (i) the operation of the Facility to be carried
out as  contemplated  hereby and by the  Indenture  and (ii) the  payment of the
amounts  required to be paid by the  Borrower  hereunder  and under the Facility
Agreements, the Financing Documents and the Indenture.

                                   ARTICLE VII

                         EVENTS OF DEFAULT AND REMEDIES

         Section VII.1  Events of Default Defined.

         (a) The following shall be "Events of Default" hereunder, and the terms
"Events of Default" or  "Default"  shall  mean,  whenever  they are used in this
Agreement, any one or more of the following events:

                  (i) failure by the  Borrower to pay, or cause to be paid,  any
                  Loan Payments under Section 4.2 hereof, at the times specified
                  herein;

                  (ii)  failure by the  Borrower  to  observe  and  perform  any
                  covenant, condition or agreement on its part to be observed or
                  performed  (other  than as  referred  to in Section  7.1(a)(i)
                  hereof) for a period of thirty (30) days after written notice,
                  specifying such failure,  requesting that it be remedied,  and
                  stating that it is a notice of default,  has been given to the
                  Borrower  by the  Trustee  (except  in the case of  Unassigned
                  Issuer's Rights) or by the Issuer,  unless the Trustee (except
                  in the case of  Unassigned  Issuer's  Rights)  shall  agree in
                  writing to an extension of such time prior


                                       24
<PAGE>   29

                  to its  expiration  (or,  in the case of  Unassigned  Issuer's
                  Rights,  the Issuer  shall agree in writing to an extension of
                  such time prior to its  expiration,  or to a  modification  or
                  waiver of any covenant,  condition or agreement in or referred
                  to  in  this  Agreement  constituting  a  part  of  Unassigned
                  Issuer's Rights);  provided,  however, if said failure be such
                  that it cannot be corrected within the applicable  period,  it
                  shall not constitute an Event of Default if corrective  action
                  is instituted by the Borrower within the applicable period and
                  diligently  pursued until the failure is corrected,  but only,
                  with  respect to  covenants,  conditions  and  agreements  not
                  included in  Unassigned  Issuer's  Rights,  if such failure is
                  corrected  within ninety (90) days after the written notice of
                  default  related  thereto  unless the  Trustee  shall agree in
                  writing to an extension of such time prior to its  expiration;
                  and/or

                  (iii) the  Borrower  makes an  assignment  for the  benefit of
                  creditors,  files a petition  in  bankruptcy,  is  adjudicated
                  insolvent  or  bankrupt,  petitions or applies to any tribunal
                  for  any  receiver  of  or  any  trustee  for  itself  or  any
                  substantial   part  of  its  property  under  any  bankruptcy,
                  insolvency,  reorganization,  arrangement,  or readjustment of
                  debt  law  or  statute  or  similar  law  or  statute  of  any
                  jurisdiction, whether now or hereafter in effect; or commences
                  any proceeding relating to the Borrower, under any bankruptcy,
                  insolvency,  reorganization,  arrangement,  or readjustment of
                  debt  law  or  statute  or  similar  law  or  statute  of  any
                  jurisdiction,  whether now or hereafter in effect; or there is
                  commenced  against  the  Borrower  any such  proceeding  which
                  remains  undismissed  for a period of sixty (60) days;  or the
                  Borrower   indicates   its   consent  to,   approval   of,  or
                  acquiescence  in any such proceeding or the appointment of any
                  such   receiver  of  or  trustee  for  the   Borrower  or  any
                  substantial part of its property;  or the Borrower suffers any
                  such  receivership or trusteeship to continue  undischarged or
                  unstayed for a period of sixty (60) days; and/or

                  (iv) there shall occur an "Event of Default" specified in
                  Section 7.01(a) or (b) of the Indenture; and/or

                  (v) any  representation  or warranty  made by the  Borrower in
                  this  Agreement,  or any material  representation  or warranty
                  made  by the  Borrower  in any  instrument,  other  agreement,
                  statement  or  certificate  furnished  by or on  behalf of the
                  Borrower to the Issuer or the Trustee in connection  with this
                  Agreement  or the  purchase  of the Bonds  including,  without
                  limitation, the Tax Regulatory Agreement, proves untrue in any
                  material  respect  as of the date of the  issuance  or  making
                  thereof; provided, however, if any of the facts upon which the
                  representations  and  warranties of the Borrower are based are
                  capable  of   correction  or  cure  to  conform  to  any  such
                  representation or warranty, there shall be no Event of Default
                  until  passage of a period of thirty  (30) days after  written
                  notice, specifying such failure and requesting


                                       25
<PAGE>   30

                  that it be  remedied,  given to the Borrower by the Trustee or
                  the  Holders  of   twenty-five   percent  (25%)  in  aggregate
                  principal amount of the Bonds then Outstanding; and/or

                  (vi) the  Borrower  has failed to provide  funds in the amount
                  and by the time  specified by the Issuer in a notice  electing
                  to  exercise  the option to redeem the Bonds  provided  by the
                  Issuer to the Borrower pursuant to Section 6.14(b) hereof.

         The declaration of an Event of Default under clause (iii) of subsection
(a) above,  and the  exercise of remedies  upon any such  declaration,  shall be
subject to any  applicable  limitations  of federal  bankruptcy law affecting or
precluding  that  declaration or exercise  during the pendency of or immediately
following any bankruptcy, liquidation or reorganization proceedings.

         (b) Paragraph  (ii) of the foregoing  Section  7.1(a) is subject to the
following  limitations:  if by reason of force majeure the Borrower is unable in
whole or in part to carry out the agreements on its part herein contained, other
than the obligations on the part of the Borrower  contained in Sections 4.2, 4.3
and 6.7  hereof,  the  Borrower  shall  not be  deemed  in  default  during  the
continuance  of such  inability.  The term "force  majeure" as used herein shall
mean, without  limitation,  the following:  Acts of God; strikes,  lockouts,  or
other  industrial  disturbances;  acts of public enemies;  orders of any kind of
governmental  authority or any of their departments,  agencies or officials,  or
any civil or military authority;  insurrections; riots; landslides; earthquakes;
fires; storms; droughts; floods; explosions;  breakage;  malfunction or accident
to facilities,  machinery,  transmission pipes, or canals; or any other cause or
event not reasonably  within the control of the Borrower.  The Borrower  agrees,
however,  to remedy with all reasonable  dispatch the cause or causes preventing
the Borrower from carrying out this  Agreement to the extent that such remedy is
reasonably  within the ability of the Borrower;  provided that the settlement of
strikes,  lockouts,  and other  industrial  disturbances  shall be left entirely
within the discretion of the Borrower, and the Borrower shall not be required to
make  settlement  of strikes,  lockouts  and other  industrial  disturbances  by
acceding to the demands of the opposing party or parties.

         Section VII.2  Remedies on Default.

         (a)  Whenever  any Event of Default  referred  to in Section 7.1 hereof
shall have  happened and be  continuing,  the Issuer or the Trustee may take any
one or more of the following  remedial steps (except that the Trustee shall have
no right to enforce Unassigned Issuer's Rights):

                  (i) The Issuer or the Trustee  may declare an amount  equal to
                  the  unpaid  principal  amount  of the Loan  and the  interest
                  accrued  thereon  to  the  date  of  such  declaration  to  be
                  immediately due and payable, whereupon the same shall become


                                       26
<PAGE>   31

                  immediately due and payable, and which amount the Borrower
                  hereby agrees to pay or cause to be paid; and/or

                  (ii) The Issuer or the Trustee may take whatever action at law
                  or in equity may appear  necessary or desirable to collect the
                  payments and other  amounts then due and  thereafter to become
                  due  or  to  enforce   performance   and   observance  of  any
                  obligation,  agreement, or covenant of the Borrower under this
                  Agreement or the Facility Agreements.

Notwithstanding the foregoing, if any such Event of Default relates solely to an
Event of Default  caused by a default under  Section 6.14 hereof,  the Issuer or
the Trustee may take only the remedial  steps set forth in clause (ii) above and
not those in clause (i) above.

         (b) Any amounts  collected  pursuant to action taken under this Section
shall  be paid  into the Debt  Service  Fund or the  Capital  Reserve  Fund,  as
required by the Indenture,  and applied in accordance with the provisions of the
Indenture  or, if all of the Bonds and other  amounts  due  hereunder  have been
fully paid (or  provision for payment  thereof has been made in accordance  with
the provisions of the Indenture),  to the Borrower (except, to the extent of any
payments  by the State into the  Capital  Reserve  Fund  pursuant to the Act and
Section 5.09 of the Indenture not otherwise reimbursed, to the Issuer).

         (c)  Except to the  extent  of any such  collection,  no  action  taken
pursuant to this Section shall relieve the Borrower from such of the  Borrower's
obligations pursuant to Sections 4.2, 4.3 and 6.7 hereof which shall survive any
such action, and the Issuer or the Trustee may take whatever action at law or in
equity as may appear necessary and desirable to collect all amounts then due and
thereafter to become due and/or to enforce the performance and observance of any
obligation,  agreement  or covenant of the Borrower  hereunder  (except that the
Trustee shall have no right to enforce Unassigned Issuer's Rights).

         Section VII.3 No Remedy Exclusive; Trustee and Noteholders Deemed Third
Party  Beneficiaries.  No remedy herein conferred upon or reserved to the Issuer
is intended to be exclusive of any other available remedy or remedies,  but each
and every such  remedy  shall be  cumulative  and shall be in  addition to every
other remedy given under this  Agreement or now or hereafter  existing at law or
in equity or by statute.  No delay or  omission  to exercise  any right or power
accruing  upon any  default  shall  impair  any such  right or power or shall be
construed to be a waiver thereof,  but any such right and power may be exercised
from  time to time and as often as may be  expedient.  In order to  entitle  the
Issuer or the Trustee to exercise any remedy reserved to it in this Article,  it
shall not be  necessary  to give any  notice,  other than such  notice as may be
herein expressly required.  Subject to any applicable restriction on enforcement
contained  in the  Indenture,  such rights and  remedies as are given the Issuer
hereunder shall also extend to the Trustee, and the


                                       27
<PAGE>   32

Trustee and the  Bondholders  shall be deemed third party  beneficiaries  of all
covenants and agreements  herein  contained,  whether described as rights of the
Trustee  or  Holders  or as  rights  of the  Issuer,  except  in the case of the
Bondholders  as to the rights of the Trustee for its own account,  and except in
each and every such case Unassigned Issuer's Rights.

         Section VII.4 No Additional  Waiver Implied By One Waiver. In the event
any agreement contained in this Agreement should be breached by either party and
thereafter  waived by the  other  party or the  Trustee,  such  waiver  shall be
limited to the particular  breach so waived and shall not be deemed to waive any
other breach hereunder.

                                  ARTICLE VIII

                  SPECIAL PROVISIONS RELATING TO BOND INSURANCE

         Section VIII.1. Purpose of Article. The Bond Insurer (as defined in the
Indenture) has made a commitment to issue a Bond Insurance Policy (as defined in
the  Indenture)  that  guarantees  the  scheduled  payment of  principal  of and
interest on the Bonds when due. In order to comply with the conditions precedent
to the issuance of the Bond Insurance Policy,  the following  provisions of this
Article are adopted and shall be binding upon the  Authority  and the  Borrower.
The  provisions  of this Article  shall govern  notwithstanding  anything to the
contrary set forth elsewhere in this Agreement.

         Section VIII.2.  Special Provisions.

                  1.  The  Bond  Insurer  shall be  deemed  to be a third  party
beneficiary  hereof,  except of  Unassigned  Issuer's  Rights  and rights of the
Trustee  or any  Co-Trustee,  Authenticating  Agent or Paying  Agent for its own
account.

                  2. The Borrower  shall pay as Additional  Payments all amounts
required to be paid by the Authority to the Bond Insurer under the Indenture.

                  3. The Bond Insurer shall be provided by the Borrower with the
following information:

                  (i) annual audited financial statements of the Borrower within
         105 days after the end of its fiscal year and the annual  budget within
         30 days after the approval thereof;

                  (ii) upon delivery of the annual audited financial  statements
         of the Borrower,  a certificate  of Authorized  Representatives  of the
         Borrower stating that, to the best of such


                                       28
<PAGE>   33

         individual's  knowledge  following  reasonable  inquiry,  no  Event  of
         Default  has  occurred,  or  if  an  Event  of  Default  has  occurred,
         specifying  the nature thereof and, if the Borrower has a right to cure
         pursuant to this Agreement,  stating in reasonable detail the steps, if
         any, being taken by the Borrower to cure such Event of Default;

                  (iii)  notice  of any  failure  of the  Borrower  to make  any
         payment when due under this  Agreement  within one Business Day of such
         failure;

                  (iv) a full original or certified transcript of all
         proceedings relating to the execution of any amendment of or supplement
         to the Financing Documents;

                  (v) copies of all reports, certificates and notices required
         to be delivered by the Borrower pursuant to this Agreement; and

                  (vi) such additional information as the Bond Insurer from time
         to time may reasonably request.

                  4. The Borrower shall give any direction necessary to permit
compliance with Section 13.02(p) of the Indenture.

                                   ARTICLE IX

                                  MISCELLANEOUS

         Section IX.1  Notices.

         (a) All notices,  certificates, or other communications hereunder shall
be  sufficiently  given and shall be deemed given when (i) mailed by first class
mail or by  overnight  courier,  (ii) faxed and  immediately  confirmed by first
class  mail,  or (iii)  delivered,  postage  prepaid,  or by  overnight  courier
addressed as follows:


                                       29
<PAGE>   34

                  (i)     If to the Issuer:

                                            If by mail, to:
                                            Finance Authority of Maine
                                            Post Office Box 949
                                            Augusta, ME 04332-0949
                                            (Attention:  General Counsel)
                                            Telephone Number:  (207) 623-3263
                                            Fax Number:  (207) 623-0095

                                                                              or

                          If by overnight courier, to:

                                            Finance Authority of Maine
                                            83 Western Avenue
                                            Augusta, ME 04330-7226
                                            (Attention:  General Counsel)
                                            Telephone Number:  (207) 623-3263
                                            Fax Number:  (207) 623-0095

                  (ii)    If to the Borrower, to:

                                            Penobscot Energy Recovery Company,
                                            Limited Partnership
                                            Industrial Way
                                            P.O. Box 160
                                            Orrington, ME  04474

                  (iii)   If to the Trustee, to:

                                            The Chase Manhattan Bank
                                            c/o Chase National Corporate
                                                  Services, Inc.
                                            Corporate Trust Group
                                            73 Tremont Street
                                            Boston, MA 02108-3913


                                       30
<PAGE>   35

         (b)   Duplicate   copies  of  each   notice,   certificate,   or  other
communication  given hereunder by the Issuer, the Trustee or the Borrower to any
of the others, shall also be given to all of the others, except that in the case
of notices relating solely to Unassigned Issuer's Rights, no notice need be sent
to the Trustee.

         (c) The Issuer,  the  Borrower  and the Trustee may, by notice given to
all parties  hereto,  designate  any  further or  different  addresses  to which
subsequent notices, certificates, or other communications shall be sent.

         Section IX.2  Filing.

         (a) The Borrower will execute such financing statements with respect to
the pledge of the Trust  Estate  effected  by the  Indenture  to be filed by the
Trustee.

         (b) The parties agree that all necessary continuation  statements shall
be filed  by the  Trustee,  at the  expense  of the  Borrower,  within  the time
prescribed by the Uniform  Commercial Code - Secured  Transactions of the State,
except that the Issuer shall file all necessary continuation statements,  at the
expense of the Borrower, with respect to this Agreement, within such time.

         Section IX.3 Binding Effect.  This Agreement shall inure to the benefit
of and shall be  binding  upon the  Issuer,  its  successors  and  assigns,  the
Borrower, and the permitted successors and assigns of the Borrower.

         Section IX.4 Severability. In the event any provision of this Agreement
shall be held invalid or unenforceable  by any court of competent  jurisdiction,
such holding shall not invalidate or render  unenforceable  any other  provision
hereof.

         Section IX.5  Amendments, Changes and Modifications.

         (a) This Agreement may not be amended, changed,  modified,  altered, or
terminated  without in each instance the prior  written  consent of both parties
hereto and (except in the case of Unassigned Issuer's Rights) the Trustee.

         (b) No  obligation  is imposed  on the Issuer by this  Section to enter
into any amendment,  and no amendment is permitted  hereunder which would result
in the breach of the Issuer's agreements in the Indenture.

         Section IX.6 Execution of Counterparts.  This agreement may be executed
in several  counterparts,  each of which shall be an  original  and all of which
shall constitute but one and the same instrument.


                                       31
<PAGE>   36

         Section IX.7 Law Governing  Construction  of Agreement.  This Agreement
shall be deemed to be a  contract  made  under the laws of the State and for all
purposes  shall be governed by and construed in accordance  with the laws of the
State  applicable  to  contracts  made and to be performed  entirely  within the
State.

         Section  IX.8  Payments  Due on  Non-Business  Days.  If any payment of
moneys  hereunder  is due on a date other than a Business  Day (the "due date"),
that  payment  need  not be made on the due  date,  but may be made on the  next
succeeding  Business  Day with the same force and effect as if that payment were
made on the due date,  and in such case no interest  shall accrue for the period
from such due date.

         Section  IX.9  Limitation  of  Liability.   Notwithstanding  any  other
provision of this Agreement,  there shall be no recourse  against any general or
limited  partner  of  the  Borrower,  or  any of  their  respective  affiliates,
stockholders,  partners,  officers,  directors,  employees  or  agents,  for any
liability  to the  Issuer or the  holders  of the Loan  Note or the  obligations
arising in connection with any breach or default under this Agreement  except to
the extent the same is  enforced  against  and  limited to the  Borrower  or the
Collateral, and the Issuer and its assignees,  including the Trustee, shall look
solely to the Borrower and the  Collateral in enforcing  rights and  obligations
under and in connection  with this Agreement,  the Mortgage,  the Loan Note, the
Indenture,  or any other  Borrower  Documents or pledge of the  Collateral.  The
limitations on recourse set forth in this Section shall survive the  termination
of this  Agreement and the full payment and  performance  of the  obligations of
Borrower hereunder and under the Mortgage,  the Loan Note, the Indenture and the
other Borrower Documents.


                                       32
<PAGE>   37

         IN WITNESS  WHEREOF,  the FINANCE  AUTHORITY OF MAINE has executed this
Agreement by causing  these  presents to be signed in its name and behalf by its
Chief  Executive  Officer  and  Penobscot  Energy  Recovery   Company,   Limited
Partnership  has executed this  Agreement by causing these presents to be signed
in its name and behalf by its duly authorized general partners, all being done
as of the day and year first hereinabove written.

                           FINANCE AUTHORITY OF MAINE


         [SEAL]             By /s/ Timothy P. Agnew
                               -----------------------------------------
                                   Timothy P. Agnew
                                   Chief Executive Officer


                            PENOBSCOT ENERGY RECOVERY COMPANY,
                               LIMITED PARTNERSHIP

                            By PERC Management Company Limited Partnership,
                                   a general partner

                                   By PERC, Inc., its general partner


                                   By: /s/ Robert E. Wetzel
                                       ------------------------------
                                          Its Senior Vice President

                            By Energy National, Inc.
                               its general partner


                                   By: /s/ Michael J. Young
                                       -----------------------------
                                          Its Secretary 


                                       33
<PAGE>   38

                                    EXHIBIT A

                        ADDITIONAL COVENANTS OF BORROWER

1.    The existing general partners of the Borrower may not sell, assign,
      transfer or otherwise encumber their general partnership interest in the
      Borrower without the prior written consent of the Authority, which consent
      shall not be unreasonably withheld or delayed; provided, however, that no
      consent of the Authority shall be required with respect to (a) a transfer
      from one general partner to its affiliate, or to another general partner
      or its affiliate, or to an entity controlled by any or all of such general
      partners and affiliates, or (b) a transfer to the MRC or the
      municipalities for which the MRC acts as agent, in accordance with the
      Waste Disposal Agreements, or (c) the grant of a security interest in or
      lien on the partnership interests in the Borrower by the holder of such
      partnership interest to secure loan facilities extended to it or an
      affiliate.

2.    The Borrower shall promptly notify the Authority of the occurrence of any
      litigation (including litigation concerning affiliates or subsidiaries)
      which may materially impact the Borrower. "Material" includes, but is not
      limited to, any claim or action with a demand of $1,000,000 or greater.
      Such notice shall be in writing and shall describe the matter and the
      steps taken and then expected to be taken by the Borrower (or its
      affiliates or subsidiaries) affected with respect thereto. A prompt copy
      of any filing with the Securities and Exchange Commission shall constitute
      adequate notification for purposes of this paragraph.

3.    The Borrower shall furnish the Issuer with copies of its annual budget for
      operations and maintenance (the "Operating Budget") for each Fiscal Year,
      as adopted, by November 15 of each year, and shall furnish the Issuer with
      copies of any amendment thereto promptly after the adoption thereof. In
      the event the Borrower requests any requisition from the Operating Account
      under the Indenture which will make the aggregate amount requested in any
      Fiscal Year in excess of 110% of the amount of the originally adopted
      Operating Budget, the Issuer may, at the expense of the Borrower, retain
      the services of a consultant to provide a report on the Borrower and its
      operations, management and such other matters as the Chief Executive
      Officer of the Issuer deems pertinent.

4.    The Borrower shall provide the Issuer with quarterly  unaudited  financial
      statements,  without  footnotes or year end  adjustments  but otherwise in
      accordance  with  generally   accepted   accounting   principles,   within
      forty-five days after the end of each quarter.

5.    The Borrower  shall  provide the Issuer with a copy of its annual  audited
      financial statements within 105 days after the close of its Fiscal Year.

6.    The Borrower shall observe and comply in all material respects with all
      applicable laws, regulations, ordinances, rules, and orders (including
      without limitation those relating to


                                       A-1
<PAGE>   39

      zoning, land use, environmental protection, air, water and land pollution,
      wetlands, health, equal opportunity,  minimum wages, worker's compensation
      and  employment  practices)  of any  federal,  state,  municipal  or other
      governmental  authority except during any period during which the Borrower
      at its  expense  and in its name  shall be in good  faith  contesting  its
      obligations to comply therewith.

7.    The  Borrower  shall  not  create,  incur,  assume  or permit to exist any
      mortgage,  lien,  charge,  security  interest or other  encumbrance on any
      property  or asset of the  Borrower,  except  Permitted  Encumbrances  (as
      defined in the Mortgage).

8.    The Borrower shall apply the Loan proceeds only as described in Section
      3.2 of this Agreement.

9.    The Borrower  shall  promptly  notify the Issuer of any  material  adverse
      change in the Borrower's business operations or financial condition.

10.   The Borrower  shall pay all costs and  expenses  incurred by the Issuer in
      connection  with the  issuance of the Bonds and  servicing of the Loan and
      the  Bonds,  to the extent  not paid from  other  sources.  Such costs and
      expenses  shall  include but shall not be limited to costs and expenses of
      employees of the Issuer including in-house counsel in processing servicing
      requests during the term of the Loan.

11.   The Borrower shall not incur additional Indebtedness in excess of
      $15,000,000 unless (a) such Indebtedness is refunding Indebtedness which
      does not increase the Borrower's aggregate level of Indebtedness, or (b)
      the issuance of such Indebtedness does not reduce the Debt Service
      Coverage (as defined below) below the lesser of (i) the Debt Service
      Coverage prior to the issuance of new debt or (ii) 1.3x, or (c) such
      additional Indebtedness is required by a change in law occurring after the
      Loan closing or is required to comply with an order or decision of any
      governmental agency or authority with authority to issue or make and
      enforce the same, or (d) the Chief Executive Officer of the Issuer
      consents in writing thereto.

      For the purpose of this covenant,  Debt Service  Coverage means:  earnings
      before  income taxes + interest for the previous 12 months +  depreciation
      for the previous 12 months + amortization for the previous 12 months (less
      or plus  extraordinary1  income or losses)  divided by:  interest  for the
      previous 12 months + principal  payments  for the previous 12 months + the
      projected 12 months of principal and interest for all Indebtedness.

12.   The  Borrower  shall  immediately  assign to the Trustee all  payments and
      revenues the Borrower is entitled to receive  under any  agreement for the
      sale of power,  energy,  steam,  waste  disposal  services or other output
      capacity  for  services  of the  Facility  or the  receipt of waste by the
      Facility.


                                       A-2
<PAGE>   40

                                    EXHIBIT B

                                 LOAN PRINCIPAL

                                                            Note
                                                         Principal
              Payment Date                               Repayments
              ------------                               ----------

                07/01/99                                 $1,325,000
                07/01/00                                  1,475,000
                07/01/01                                  1,535,000
                07/01/02                                  1,600,000
                07/01/03                                  1,670,000
                07/01/04                                  1,735,000
                07/01/05                                  1,820,000
                07/01/06                                  1,910,000
                07/01/07                                  2,005,000
                07/01/08                                  2,110,000
                07/01/09                                  2,205,000
                07/01/10                                  2,315,000
                07/01/11                                  2,430,000
                07/01/12                                  2,555,000
                07/01/13                                  2,680,000
                07/01/14                                  2,825,000
                07/01/15                                  2,965,000
                07/01/16                                  3,120,000
                07/01/17                                  3,275,000
                07/01/18                                  3,440,000

                Total                                   $44,995,000


                                       B-1
<PAGE>   41

                                 PROMISSORY NOTE

No. 1                                                               $44,995,000

         Penobscot  Energy  Recovery  Company,  Limited  Partnership,  a limited
partnership  duly  organized  and existing  under the laws of the State of Maine
(the  "Borrower"),  for value received,  promises to pay to the order of Finance
Authority of Maine (the "Authority") the principal sum of $44,995,000 and to pay
(i) interest on the unpaid principal  balance thereof from the date hereof until
fully and  finally  paid at the  interest  rates  borne by the Bonds (as defined
below) from time to time and as further  described in the  Agreement (as defined
below), and (ii) those additional  payments referred to in Section 4.3(b) of the
Agreement.

         This  promissory  note has been  executed and delivered by the Borrower
pursuant to a certain  Loan  Agreement  (the  "Agreement"),  dated as of June 1,
1998, between the Authority and the Borrower.  Terms used but not defined herein
shall have the meanings ascribed to such terms in the Agreement.

         This  promissory  note is  issued to  evidence  the  obligation  of the
Borrower  under the Agreement to repay the Loan made by the  Authority  from the
proceeds of the sale of its Electric Rate Stabilization Revenue Refunding Bonds,
Series 1998A  (Penobscot  Energy  Recovery  Company,  LP) and its Electric  Rate
Stabilization  Revenue Refunding Bonds,  Series 1998B (Penobscot Energy Recovery
Company,  LP) (together,  the "Bonds"),  together with interest  thereon and all
other amounts, fees, penalties,  adjustments,  expenses,  counsel fees and other
payments of any kind  required to be paid by the Borrower  under the  Agreement.
The Agreement  further  provides for the payment of interest on this  promissory
note at other rates in certain circumstances.

         The Financing  Documents (as defined in the  Indenture),  including the
Agreement and this  promissory  note,  have been assigned to The Chase Manhattan
Bank (the  "Trustee")  acting  pursuant to a Trust Indenture dated as of June 1,
1998 (the  "Indenture")  between  the  Authority  and the  Trustee,  except with
respect to the  Unassigned  Issuer's  Rights,  which are not so  assigned.  Such
assignment is made as security for the payment of the Bonds.

         As provided in the  Agreement  and subject to the  provisions  thereof,
payments  hereon are to be made at the  principal  office of the Trustee,  or at
such other place in the United  States as the Trustee may direct in writing,  by
wire  transfer,  in the amounts and at the times  required by the Indenture with
respect to the Bonds.  Loan payments hereon shall be paid, or caused to be paid,
by the Borrower in an amount  which,  when added to the other  moneys  available
therefor in the Debt Service  Fund,  will be  sufficient to pay the principal of
and  interest on the Bonds due and  payable on each  Interest  Payment  Date and
Principal Payment Date, whether at maturity or upon


                                       1
<PAGE>   42

declaration accelerating the maturity, upon mandatory sinking fund redemption in
accordance with the Indenture, or otherwise.

         With respect to payments  due  hereunder,  time is of the essence.  All
payments must be in immediately available funds as and when due.

         The Borrower shall make payments on this  promissory  note on the dates
and in the amounts  specified  herein and in the Agreement and in addition shall
make such other payments as are required to be made by the Borrower  pursuant to
the Agreement and the Indenture.  This  promissory note is subject to prepayment
to the extent the Loan is prepaid pursuant to the Agreement.

         In the event the Borrower  shall fail to make, or cause to be made, any
of the  payments  required  hereby  or by the  Agreement,  the  unpaid  item  or
installment  shall  continue as an obligation of the Borrower  until such amount
shall have been fully paid, and the Borrower agrees to pay, or cause to be paid,
the same  with  interest  thereon  from the date of  failure  or, in the case of
payments required by Sections  4.3(a)(ii),  (iii) and (v) of the Agreement,  the
date 30 days after the date on which the  Borrower is notified  thereof,  at the
interest  rate borne by the Bonds until fully paid,  except as otherwise  may be
provided by Article XIII of the Indenture.(1)

         All payments  hereunder  shall be payable in lawful money of the United
States of America and shall be made to the Authority,  the Trustee,  or the Note
Insurer,  as provided in the Agreement.  Loan payments shall be deposited in the
Revenue  Fund  created by the  Indenture.  Except as  otherwise  provided in the
Indenture,  such Loan payments shall be used by the Trustee to pay the principal
of and interest on the Bonds when due.

         The obligation of the Borrower to make the payments required  hereunder
and to perform and observe the other  agreements  on its part  contained  herein
shall be absolute and  unconditional,  irrespective of any defense or any rights
of set-off,  recoupment or counterclaim  which the Borrower may have against the
Authority  or the  Trustee.  The  Borrower  shall  pay,  or  cause  to be  paid,
absolutely net all payments required hereunder and under the Agreement,  free of
any deductions and without postponement, abatement or diminution, but subject to
applicable  provisions of the Indenture.  Except to the extent  provided in this
paragraph,  nothing contained in this paragraph shall be construed to prevent or
restrict  the  Borrower  from  asserting  any  rights  it may have  against  the
Authority,  the Trustee or any other Person under the Financing Documents or the
Indenture or under any provisions of law.

         Whenever an Event of Default under Section 7.01(a),  (d), (e) or (f) of
the Indenture shall have occurred and, as a result thereof, the principal of the
Bonds then outstanding,  and interest accrued thereon,  shall have been declared
to be immediately due and payable pursuant to Section 7.03 of the Indenture, the
unpaid principal amount of and accrued interest on this promissory note

- ----------
(1) Re: Bond Insurance.


                                       2
<PAGE>   43

shall also be due and payable on the date on which the principal of and interest
on the Bonds  shall  have  been  declared  due and  payable;  provided  that the
annulment of a declaration of acceleration  with respect to the Bonds shall also
constitute an annulment of any  corresponding  declaration  with respect to this
promissory note.

         The Borrower further waives diligence, demand, presentment for payment,
notice of nonpayment,  protest and notice of protest, and notice of any renewals
or extension of this promissory  note. Any delay on the part of the Authority or
the Trustee in exercising any right  hereunder  shall not operate as a waiver of
any such right,  and any waiver  granted with  respect to one default  shall not
operate as a waiver in the event of any subsequent default.

         Notwithstanding  any other  provisions of this promissory  note,  there
shall be no recourse against any general or limited partner of the Borrower,  or
any of their respective affiliates, stockholders, partners, officers, directors,
employees or agents,  for any  liability to the Authority or the holders of this
promissory  note or the  obligations  arising in  connection  with any breach or
default  under this  promissory  note  except to the extent the same is enforced
against and limited to the Borrower or the  Collateral,  and the Authority shall
look  solely  to the  Borrower  and  the  Collateral  in  enforcing  rights  and
obligations  under  and in  connection  with this  promissory  note and the Loan
Agreement,  the Mortgage,  the Indenture,  or any other Borrower  Documents,  or
pledge  of the  Collateral.  The  limitations  on  recourse  set  forth  in this
paragraph  shall survive the  termination of this  promissory  note and the full
payment and performance of the  obligations of the Borrower  hereunder and under
the  Loan  Agreement,  the  Indenture,  the  Mortgage  and  the  other  Borrower
Documents.


                                       3
<PAGE>   44

         IN  WITNESS  WHEREOF,   Penobscot  Energy  Recovery  Company,   Limited
Partnership has caused this promissory note to be executed in its corporate name
and intends for it to have the same  effect as if sealed with  Penobscot  Energy
Recovery Company,  Limited  Partnership's  corporate seal by its duly authorized
officer this June 15, 1998.


                            PENOBSCOT ENERGY RECOVERY COMPANY,
                               LIMITED PARTNERSHIP

                            By PERC Management Company Limited Partnership,
                                a general partner

                                  By PERC, Inc., its general partner


                                  By________________________________
                                       Its

                            By Energy National, Inc.
                               its general partner


                                  By_________________________________
                                       Its


                                       4
<PAGE>   45

                              AUTHORITY ENDORSEMENT

         Pay to the order of The Chase Manhattan  Bank, as Trustee,  except with
respect to the Unassigned Issuer's Rights, without recourse.


                                              FINANCE AUTHORITY OF MAINE


                                              By: /s/ Timothy P. Agnew
                                                  -----------------------------
                                                  Timothy P. Agnew
                                                  Chief Executive Officer

- --------
(1) Extraordinary is defined as a nonrecurring occurrence that must be explained
by note on the  financial  statements  or in a filing.  Earnings are adjusted by
adding or subtracting the extraordinary occurrence.


                                       5

<PAGE>   1
                                                                     Exhibit 4.4


                    ELECTRIC RATE STABILIZATION BOND PROGRAM

                           LIMITED GUARANTY AGREEMENT

         This Guaranty  Agreement dated as of June 1, 1998, (the  "Guaranty") is
given by KTI,  INC., a corporation  organized and existing under the laws of the
State of New Jersey (the  "Guarantor")  to THE CHASE  MANHATTAN BANK, as Trustee
(the "Trustee").

         WHEREAS,  the Finance  Authority of Maine ("the  Authority") has agreed
with Penobscot Energy Recovery Company,  Limited Partnership (the "Borrower") to
issue its Series 1998  Electric  Rate  Stabilization  Revenue  Refunding  Bonds,
Series 1998A and Series 1998B  (Penobscot  Energy Recovery  Company,  LP) in the
aggregate  principal  amount of  $44,995,000  (the  "1998  Bonds"),  which  will
contemporaneously  herewith  be issued to finance a loan (the  "Loan")  from the
Authority  to  Penobscot  Energy  Recovery  Company,  Limited  Partnership  (the
"Borrower")  pursuant  to a  Loan  Agreement  dated  as of  June  1,  1998  (the
"Agreement"); and

         WHEREAS, the Agreement will be assigned by the Authority to the Trustee
(except  for  certain  Unassigned  Issuers  Rights and Shared  Rights as defined
therein), contemporaneously with the execution thereof; and

         WHEREAS,  the  obligation of the Borrower to the Authority  pursuant to
the Agreement is evidenced by a promissory note of the Borrower to the Authority
(the "Loan Note"); and

         WHEREAS,  the  Trustee  has  entered  into a Trust  Indenture  with the
Authority dated as of June 1, 1998 (the "Indenture"); and

         WHEREAS,  the Guarantor is the sole  shareholder of PERC,  Inc.;  PERC,
Inc. is the general partner of PERC Management  Company Limited  Partnership,  a
general partner of the Borrower; and

         WHEREAS,  in  order to  induce  the  Authority  to make the Loan to the
Borrower,  the  Guarantor is prepared to guarantee  the payment and  performance
when due of the  obligations  of the  Borrower to the  Authority  under the Loan
Agreement, subject to the limitations hereinafter set forth; and

         WHEREAS, the Guarantor acknowledges that it will be benefited by the
Authority making the Loan to the Borrower; and

         WHEREAS,  for the purpose of providing  security for the payment of the
Loan Note and other sums provided for in the  Agreement,  the  Guarantor  hereby
agrees to guaranty the prompt and  punctual  payment of the Loan and other sums,
as  more  fully  set  forth  herein  and in the  Indenture  and  subject  to the
limitations herein; and

         NOW, THEREFORE, in consideration of the premises and in order to induce
the Authority to issue the 1998 Bonds and make the Loan,  the  Guarantor  hereby
covenants and agrees with the Trustee as follows:


                                     Page 1
<PAGE>   2

                                    ARTICLE I

                         REPRESENTATIONS AND WARRANTIES

         Section 1.1. Representations and Warranties. The Guarantor hereby
represents and warrants as follows:

                  (1) The Guarantor is a  corporation  duly  organized,  validly
existing and in good standing under the laws of the State of New Jersey, has the
corporate  powers and authority to own its property and assets,  to carry on its
business as now being  conducted by it and to execute,  deliver and perform this
Guaranty.  The Guarantor is duly qualified to do business in every  jurisdiction
in which such qualification is necessary.

                  (2) The execution,  delivery and  performance of this Guaranty
and the  consummation of the  transactions  herein  contemplated  have been duly
authorized  by all requisite  corporate  action on the part of the Guarantor and
will not violate any provision of law, any order of any court or other agency of
government or the certificate of  incorporation  or bylaws of the Guarantor,  or
any material provision of any indenture,  agreement or other instrument to which
the  Guarantor is a party or by which it or any of its property is bound,  or be
in conflict with or result in a breach of or constitute  (with due notice and/or
lapse of time) a default under any such indenture, agreement or other instrument
for which a waiver has not been obtained.

                  (3)  The  acceptance  by  the  Guarantor  of  its  obligations
hereunder will result in a material financial benefit to the Guarantor.

                  (4) This  Guaranty  constitutes  a valid and  legally  binding
obligation of the Guarantor, enforceable in accordance with its terms.

                  (5)  There  is no  action  or  proceeding  pending  or to  the
knowledge of the Guarantor, threatened against the Guarantor before any court or
administrative  agency  which,  if determined  adversely to the Guarantor  would
materially  adversely  affect  the  ability  of the  Guarantor  to  perform  its
obligations  hereunder,  except  as may be  disclosed  in its  filings  with the
Securities and Exchange Commission.

                  (6) No authorizations, approvals or other actions are required
by any governmental authority or regulatory body for due execution, delivery and
performance by the Guarantor of this Guaranty.

                  (7) The  Guarantor has  fulfilled  its  obligations  under the
minimum funding  standards of ERISA with respect to any employee pension benefit
plan which is covered by Title 4 of ERISA,  which is the  subject of the minimum
funding standard under Section 412 of the Internal Revenue Code, and as to which
the Guarantor may have liability (or with respect to a  multi-employer  Plan has
made all required  contributions)  and is in compliance in all material respects
with applicable provisions of ERISA.


                                     Page 2
<PAGE>   3

                                   ARTICLE II

                            COVENANTS AND AGREEMENTS

         Section 2.1. The Guaranty.

         (A) The  Guarantor  hereby  unconditionally  guaranties  to and for the
account of the  Trustee  for the benefit of the holders of the 1998 Bonds and to
and for the benefit of the Authority as holder of the Loan Note to the extent of
this  Guaranty  as  limited by Section  2.1(C)  hereof,  (i) the full and prompt
payment  of the  principal  on the Loan when and as the same shall  become  due,
whether  by  demand  or at the  stated  maturity  thereof,  by  acceleration  or
otherwise; (ii) the full and prompt payment of the interest on the Loan when and
as the same shall become due and payable;  (iii) the full and prompt  payment of
all principal,  interest and other sums due and payable on the Loan Note and any
other sums when and as the same shall become due and payable under the Financing
Documents (as that term is defined in the Agreement), required to be paid by the
Borrower under the terms of the Agreement,  whether by acceleration or otherwise
(the "Obligations")

         (B) The Guarantor hereby expressly acknowledges and agrees to the terms
of Article V of the Indenture,  a copy of which Article V is attached  hereto as
Exhibit A and incorporated  herein to the extent such terms affect or create the
obligation of the Guarantor to make payment of the Obligations and create rights
of the Trustee to enforce this Guaranty.

         (C) The  Guarantor  further  agrees  that each of its  undertakings  in
subsection  2.1(A) and 2.1(B)  above  constitutes  an  absolute,  unconditional,
present and continuing  guaranty provided,  however,  that the obligation of the
Guarantor  to pay such  Obligation  shall be  limited to  $3,000,000,  provided,
however,  if any amounts are paid by the  Guarantor  to the Trustee  pursuant to
this Guaranty,  and the Trustee thereafter  reimburses the Guarantor pursuant to
Section  5.03(9)  and  Section  5.11 of the  Indenture,  this  Guaranty  will be
reinstated by the amount of such  reimbursement.  The Guarantor waives any right
to require that any resort be had by the Trustee to (i) any particular  security
held by the  Authority  or the  Trustee  (except as  otherwise  provided  in the
Indenture)  or (ii) the  performance  of any  obligation of the Authority or the
Trustee under the Indenture.

         (D) If the Borrower  shall  default in payment of the  Obligations  the
Guarantor,  upon demand by the Trustee without notice other than such demand and
without  the  necessity  of  further  action  on  their  respective   parts,  or
Guarantor's  successors or assigns,  as the case may be, will promptly and fully
comply with the efforts of the Trustee to enforce this  Guaranty.  The Guarantor
will pay all  reasonable  costs and expenses,  including  reasonable  attorneys'
fees,  paid or incurred by the Trustee in connection with the enforcement of the
obligations of the Guarantor under this Guaranty.  All payments by the Guarantor
shall be made in any coin or currency of the United  States of America  which on
the  respective  dates of  payment  thereof is legal  tender for the  payment of
public  and  private  debts  within  two (2)  Business  Days of demand  from the
Trustee.

         Section 2.2.  Absolute and Unconditional  Limited  Guaranty.  Except as
expressly  limited by the terms hereof,  the  obligations of the Guarantor under
this Guaranty are absolute and  unconditional and shall remain in full force and
effect until every payment,  obligation or liability  guaranteed hereunder shall
have been fully and finally  paid,  and, to the extent  permitted  by law,  such
obligations shall not be


                                     Page 3
<PAGE>   4

affected, modified, released, or impaired by any state of facts or the happening
from  time  to time  of any  event  including,  without  limitation,  any of the
following, whether or not with notice to, or the consent of, the Guarantor:

                  (1) the termination,  cancellation,  invalidity, irregularity,
illegality or unenforceability  of, or any defect in, the Indenture,  any of the
1998 Bonds, this Guaranty,  the Agreement,  the Loan Note or any other Financing
Documents;

                  (2)   the   compromise,    settlement,   release,   extension,
indulgence,   change,   modification  or  termination  of  any  or  all  of  the
obligations,  covenants  or  agreements  of the  Agreement,  the Loan Note,  the
Indenture,  the 1998  Bonds,  or any other  guaranties,  or any other  Financing
Documents;

                  (3)  the  failure  to  give  notice  to the  Guarantor  of the
occurrence  of any Event of  Default  under the  terms  and  provisions  of this
Guaranty,  the Indenture,  the Agreement,  the Loan Note or any other  Financing
Documents;

                  (4) the waiver of the payment,  performance  or  observance by
the Authority or the Trustee of any of the obligations, conditions, covenants or
agreements of any or all of them contained in this Guaranty, the Indenture,  the
1998 Bonds the Agreement,  the Loan Note or any other Financing Documents by the
Authority or the Trustee, as the case may be;

                  (5) the extension of the time for payment of the principal of,
premium if any, or interest on the 1998 Bonds or the  principal  of, or interest
on the 1998 Bonds or any other  amounts that are due or may become due under the
Financing  Documents or of the time for  performance  of any other  obligations,
covenants or agreements under or arising out of the Financing Documents;

                  (6)  the  modification  or  amendment   (whether  material  or
otherwise)  of any duty,  obligation,  covenant  or  agreement  set forth in the
Indenture, the 1998 Bonds, or any of the Financing Documents;

                  (7) any failure,  omission,  delay or lack thereof on the part
of the Authority or the Trustee to assert or exercise any right, power or remedy
conferred on either of them in the Indenture, the 1998 Bonds, this Guaranty, the
Agreement, or any other Financing Documents;

                  (8) the  voluntary or  involuntary  liquidation,  dissolution,
merger, consolidation, sale or other disposition of all or substantially all the
assets,  marshalling  of  assets  and  liabilities,   receivership,  insolvency,
bankruptcy,   assignment   for  the   benefit  of   creditors,   reorganization,
arrangement,  composition with creditors, or other similar proceedings affecting
the  Guarantor,  any other  guarantors,  or the  Borrower,  the Authority or the
Trustee,  or any or all of the  assets  of any of  them,  or any  allegation  or
contest  of the  validity  of  the  Indenture,  the  1998  Bonds,  or any of the
Financing  Documents  including  this  Guaranty  in any such  proceeding;  it is
specifically understood, consented and agreed to that this Guaranty shall remain
and  continue  in full  force and effect and shall be  enforceable  against  the
Guarantor  to the same  extent  and with the same  force  and  effect as if such
proceedings  had not been  instituted;  and it is the intent and purpose of this
Guaranty that the Guarantor  shall and does hereby waive all rights and benefits
which might accrue to the Guarantor by reason of any such


                                     Page 4
<PAGE>   5

proceedings, and without limiting the generality of the foregoing, it is further
the intent and purpose of this  Guaranty  that the  liability  of the  Guarantor
shall not be in any way limited by the filing of any  bankruptcy  involving  the
Borrower,  but rather shall in all respects  continue and extend to include,  by
way of example and not limitation,  post-filing  interests and costs,  including
reasonable attorney's fees;

                  (9) to the extent  permitted  by law, the release or discharge
of the Guarantor from the performance or observance of any obligation,  covenant
or agreement  contained in this  Guaranty by operation of law or the addition or
release of any other guarantor;

                  (10) the default or failure of any other guarantor fully to
perform any of its obligations set forth in any other guaranty;

                  (11) any release, substitution, replacement, destruction, loss
or impairment of the security pledged under the Financing Documents;

                  (12) any failure of the Authority or the Trustee to mitigate
damages resulting from any default by the Borrower under the Financing
Documents;

                  (13) any other circumstances which might otherwise constitute
a legal or equitable discharge or defense of a surety or a guarantor; or

                  (14) any  other act of  commission  or  omission  or any other
occurrence whatsoever, whether similar or dissimilar to the foregoing.

         Section 2.3. Qualified Letter of Credit; Release of Guaranty.  With the
written consent of the Authority,  the Guarantor may provide as a substitute for
this  Guaranty  a  letter  of  credit  satisfactory  to the  Authority  for this
Guaranty.

         Section  2.4.  Changes  in  Ownership;  Continuing  Existence.  (a) The
Guarantor will maintain its corporate  existence in good standing under the laws
of the jurisdiction of incorporation  and its qualification to transact business
in each jurisdiction where failure so to qualify would permanently  preclude the
Guarantor  from enforcing its rights with respect to any material asset or would
expose the Guarantor to any material liability;  provided, however, that nothing
herein  shall  prohibit the merger or  consolidation  described in clause (b) of
this Section 2.4.

         (b) The  Guarantor  will not  merge or  consolidate  or enter  into any
analogous reorganization or transaction with any Person or liquidate, wind up or
dissolve itself (or suffer any liquidation or dissolution), unless the surviving
corporation (i) assumes in writing the obligations of the Guarantor,  (ii) has a
net worth determined in accordance with GAAP) at least equal to the consolidated
net worth  (determined in accordance with GAAP) of the Guarantor as shown on the
most recent audited financial statements of the Guarantor prior to the merger or
consolidation  and (iii) the  shareholders of the Guarantor will have a majority
interest in the surviving Person.

         Section 2.5. Good Standing. The Guarantor warrants that it is and will
be during the term of this Agreement incorporated and in good standing in all
jurisdictions in which it does business.


                                     Page 5
<PAGE>   6

         Section 2.6. Indemnification Covenants.

         (A) The  Guarantor  agrees to  protect,  defend and hold  harmless  the
Authority and its officers, members,  directors,  agents, servants and employees
(each an "Indemnified  Party") from any claim,  demand,  suit or action or other
proceeding whatsoever by any person or entity whatsoever, arising or purportedly
arising from or in connection with the Guaranty or the transactions contemplated
thereby  or  actions  taken  thereunder,  except  for  any  bad  faith,  willful
misconduct  material  misrepresentation  or gross  negligence on the part of the
Indemnified Party.

         (B) All covenants,  stipulations,  promises, agreements and obligations
of  the  Authority  contained  herein  shall  be  deemed  to be  the  covenants,
stipulations,  promises,  agreements and obligations of the Authority and not of
any member, officer,  director, agent or employee of the Authority in his or her
individual  capacity,  and no recourse shall be had for the payment of any claim
based  thereon or  hereunder  against  any  member,  officer or  employee of the
Authority or any natural person executing the 1998 Bonds.

         (C) In case any  action  shall be  brought  against  one or more of the
Indemnified  Party's  based  upon  any of the  above  and in  respect  of  which
indemnity may be sought  against the  Guarantor,  such  Indemnified  Party shall
notify the Guarantor in writing,  enclosing a copy of all papers served, but the
omission so to notify the  Guarantor  of any such action shall not relieve it of
any liability which it may have to any  Indemnified  Party other than under this
Section  2.6. In case any such action shall be brought  against any  Indemnified
Party and it shall notify the  Guarantor  and the  Borrower of the  commencement
thereof,  the Guarantor  shall be entitled to  participate in and, to the extent
that it shall wish, to assume the defense  thereof with counsel  satisfactory to
such Indemnified  Party, and after notice from the Guarantor to such Indemnified
Party of the Guarantor's election so to assume the defense thereof the Guarantor
shall not be liable to such  Indemnified  Party for any legal or other expenses,
other than  reasonable  costs of  investigation  subsequently  incurred  by such
Indemnified Party in connection with the defense thereof.  The Indemnified Party
shall have the right to employ its own counsel in any such action,  but the fees
and expenses of such counsel shall be at the expense of such  Indemnified  Party
unless  (i) the  employment  of  counsel  by such  Indemnified  Party  has  been
authorized by the Guarantor,  (ii) the  Indemnified  Party shall have reasonably
concluded that there may be a conflict of interest  between the Borrower  and/or
Guarantor and the Indemnified Party in the conduct or the defense of such action
(in which case the  Guarantor  shall not have the right to direct the defense of
such action on behalf of the  Indemnified  Party),  or (iii) the Guarantor shall
not in fact have  employed  counsel  satisfactory  to the  Indemnified  Party to
assume the defense of such action.

         (D) The  Guarantor  also  agrees to pay all  reasonable  and  necessary
out-of-pocket  expenses  of  the  Authority  (including  reasonable  charges  of
counsel) in  connection  with the  Guaranty  and the  enforcement  of any rights
hereunder,  including,  without  limitation,  any  fees,  charges  and  expenses
(including reasonable charges of counsel).

         (E) The  obligations of the Guarantor  under this section shall survive
the  termination  of this  Guaranty.  This section is not for the benefit of any
person not an Indemnified  Party,  and no waiver of the Maine Tort Claims Act or
other applicable law is intended.

         Section 2.7. Submission of Financial Statements. The Guarantor shall
provide the


                                     Page 6
<PAGE>   7

Authority with a copy of its annual audited financial statements within 105 days
after the close of its Fiscal Year,  provided  however,  that if the Guarantor's
annual audited  financial  statements are incorporated  into a 10-K submitted to
the  Authority  pursuant  to  Section  2.9  hereof,  the  Guarantor  will not be
separately obligated to submit its financial statements.

         Section 2.8. Default and Litigation  Notification.  Upon becoming aware
of any condition or event which constitutes, or with the giving of notice or the
passage of time would constitute, an Event of Default, the Guarantor immediately
shall deliver to the Authority a notice stating the existence and nature thereof
and  specifying  the  corrective  steps the  Guarantor  is taking  with  respect
thereto.  The Guarantor shall promptly notify the Authority of the  commencement
of any litigation, administrative, enforcement or other proceeding by or against
it with a claim or demand of $5,000,000 or greater,  or the threat  thereof,  in
which an unfavorable  outcome could  materially  adversely  affect the financial
condition of the Guarantor.

         Section 2.9.  Notification  of SEC Filings.  The Guarantor must provide
the Authority  with copies of each filing and report made by the Guarantor  with
or to the Securities and Exchange Commission including,  without limitation, all
10-Q,  10-K and 8-K Reports (other than  registration  statements  that have not
become  effective  under the  Securities  Act of 1933,  filings and reports with
respect to dividend reinvestment, employee benefits, or other similar plans, and
filings  pertaining  to sales  of or other  transactions  in  securities  of the
Guarantor by persons other than the Guarantor),  and of each  communication from
the  Guarantor to public  shareholders  generally,  promptly  upon the filing or
making thereof.  The Guarantor must meet  periodically with the Authority at the
Authority's  reasonable request to provide  information on financial  conditions
(whether or not  included  in such  filings)  and any other issue  raised by the
Authority.  The  Authority  agrees that any  information  obtained by it and not
available  to the  public  will be kept  confidential  to the  extent  permitted
pursuant to 10 MRSA ss. 975-A and 1 MRSA ss. 401, et seq.

         Section  2.10.  Compliance  with Law.  The  Guarantor  will observe and
comply in all material respects with all material laws, regulations, ordinances,
rules, and orders (including without  limitation those relating to zoning,  land
use, environmental protection, air, water and land pollution,  wetlands, health,
equal  opportunity,   minimum  wages,   worker's   compensation  and  employment
practices) of any federal,  state, municipal or other governmental authority the
noncompliance  of which would have a material  adverse  effect on the  financial
condition of the Guarantor.

                                   ARTICLE III

                         EVENTS OF DEFAULT AND REMEDIES

         Section 3.1. Events of Default. An "Event of Default" hereunder shall
exist if any of the following occurs and is continuing:

                  (1) the Guarantor  defaults on the Obligations  referred to in
Section 2.1 hereof and such default  continues  for more than,  two (2) Business
Days after demand is made by the Trustee;

                  (2) the  Guarantor  fails to observe and perform any covenant,
condition or agreement,  other than that referred to in Sections  3.1(1) of this
Guaranty, or of any instrument,


                                     Page 7
<PAGE>   8

document or agreement  now or hereafter  securing this Guaranty and such failure
continues  for more than thirty (30) days after  written  notice (which shall be
deemed  given  upon  facsimile  transmission  or three (3)  Business  Days after
mailing of notice by first class mail,  postage  prepaid or  certified  mail) of
such  failure has been given to the  Guarantor by the Trustee or if by reason of
such default the same cannot be remedied within said thirty (30) days;

                  (3) any warranty,  representation  or other statement by or on
behalf of the Guarantor contained in this Guaranty or in any certificate, letter
or other writing or instrument  furnished or delivered to the Authority pursuant
hereto or in connection  herewith and in connection with the Financing Documents
shall at any time prove to have been  incorrect  in any  material  respect  when
made, effective, or reaffirmed, as the case may be;

                  (4) the  entry of a  decree  or order  for  relief  by a court
having  jurisdiction  of the Guarantor in an involuntary  case under the federal
bankruptcy  laws,  as now or  hereafter  constituted,  or any  other  applicable
federal or state  bankruptcy,  insolvency  or other similar law, or appointing a
receiver, liquidator,  assignee, custodian, trustee (or similar official) of the
Guarantor or for any  substantial  part of any of its property,  or ordering the
winding-up or liquidation of any of its affairs and the  continuance of any such
decree or order  unstayed  and in effect for a period of sixty (60)  consecutive
days, or the commencement by the Guarantor of a voluntary case under the federal
bankruptcy  laws,  as  now  constituted  or  hereafter  amended,  or  any  other
applicable  federal or state bankruptcy  insolvency or other similar law, or the
consent  by the  Guarantor  to the  appointment  of or  taking  possession  by a
receiver,  liquidator,  assignee, trustee, custodian (or other similar official)
or the  making by it of any  assignment  for the  benefit of  creditors,  or the
taking of corporate or other action by the  Guarantor to authorize or effect any
of the foregoing;

                  (5) A final and unappealable judgment or order for the payment
for  money in  excess  of  $1,000,000  or more  shall be  rendered  against  the
Guarantor,  such judgment or order shall continue  unsatisfied  and unpaid for a
period of thirty (30) days.

         Section 3.2.  Remedies  Upon  Default.  Upon an Event of Default  under
Section  3.1 of this  Guaranty,  the  Trustee  shall  have the right to  proceed
directly  against the Guarantor  without  proceeding  against or exhausting  any
other  remedies  which it may have and without  resorting to any  security  held
including, without limitation the Capital Reserve Fund.

         Section 3.3. [Reserved]

         Section 3.4.  Waiver of Notice of Non-Payment and Costs of Enforcement.
The Guarantor hereby expressly waives presentment, demand, protest and notice of
nonpayment  and further  waives notice from the Authority of its  acceptance and
reliance on this Guaranty. The Guarantor agrees to pay all costs,  disbursements
and expenses (including all reasonable attorneys' fees) which may be incurred by
the  Authority  in  enforcing or  attempting  to enforce  this  Guaranty and any
security therefor following any default on the part of the Guarantor  hereunder,
whether the same shall be enforced by suit or otherwise.

         Section 3.5. The Authority Not Coguarantor. The Guarantor hereby
acknowledges that (a) the Authority has established a Capital Reserve Fund under
the Indenture in order to provide credit


                                     Page 8
<PAGE>   9

enhancement for the 1998 Bonds;  (b) the Authority is not a coguarantor with the
Guarantor,  who shall have no right of  contribution,  indemnity or  subrogation
against the  Authority;  (c) all liability of the Guarantor  under this Guaranty
shall  continue  in full force and  effect  notwithstanding  any  payment by the
Authority  in the form of draws by the  Trustee  from the Capital  Reserve  Fund
under the Indenture or payments by Financial  Security  Assurance Inc. under the
Bond Insurance  Policy  provided to insure the 1998 Bonds or otherwise;  and (d)
all liability of the Guarantor  under this Guaranty shall continue in full force
and effect  notwithstanding the fact that the Authority may have acquired rights
against the Guarantor by assignment, subrogation or otherwise.

                                   ARTICLE IV

                                  MISCELLANEOUS

         Section 5.1. Amendment. This Guaranty may not be amended, changed,
modified, altered or terminated without the concurring written consent of the
Guarantor and the Authority.

         Section 5.2. Effective Date. The obligations of the Guarantor hereunder
shall arise absolutely and unconditionally when the Loan Note shall have been
executed by the Borrower.

         Section 5.3. Remedies Not Exclusive. No remedy herein conferred upon or
reserved  to the  Trustee is intended  to be  exclusive  of any other  available
remedy or remedies, but each and every such remedy shall be cumulative and shall
be in  addition  to every  other  remedy  given  under this  Guaranty  or now or
hereafter  existing at law or in equity.  No delay or  omission to exercise  any
right or power accruing upon any Event of Default shall impair any such right or
power or shall be construed to be a waiver in the event any provision  contained
in this Guaranty  should be breached by any party and thereafter  duly waived by
any other  party so  empowered  to act.  Such  waiver  shall be  limited  to the
particular  breach so waived  and shall not be deemed to waive any other  breach
hereunder. No waiver, amendment,  release or modification of this Guaranty shall
be  established  by  conduct,  custom  or course of  dealing,  but  solely by an
instrument in writing duly executed by the parties  thereunto duly authorized by
this Guaranty.

         Section 5.4. Notice.  Except as otherwise  provided herein, all notices
or other  communications  hereunder  shall be  sufficiently  given  and shall be
deemed given when  delivered by hand  delivery or on the third day following the
day on which  the same has been  mailed,  postage  prepaid,  by  certified  mail
addressed as follows:

         if to Guarantor:

                  KTI, Inc.
                  7000 Boulevard East
                  Guttenberg, NJ 07093
                  Attention: Martin J. Sergi, President
                  Fax: (201) 854-1771


                                     Page 9
<PAGE>   10

         if to the Trustee:

                  The Chase Manhattan Bank
                  73 Tremont Street
                  Boston, MA 02108-3913
                  Fax:

         Any party, by notice given hereunder, may designate a different address
for future notices.

         Section  5.5.  Counterparts.   This  Guaranty  constitutes  the  entire
agreement, and supersedes all prior agreements and understandings,  both written
and oral,  between the parties with respect to the subject matter hereof and may
be  executed  simultaneously  in several  counterparts,  each of which  shall be
deemed an original and all of which together  shall  constitute one and the same
instrument.

         Section 5.6.  Severability.  The invalidity or  unenforceability of any
one or more phrases, sentences, clauses, or Sections in this Guaranty contained,
shall not affect the validity or  enforceability  of the  remaining  portions of
this Guaranty, or any part thereof.

         Section 5.7.  Governing  Law.  This  Guaranty  shall be governed by and
construed in accordance  with the laws of the State of Maine.  The Guarantor and
the Trustee and their  successors or assigns agree that any action hereunder may
be brought in the Federal Courts in the State of New York.

         Section 5.8. Successors and Assigns. This Guaranty shall be binding
upon, inure to the benefit of and be enforceable by the parties hereto and their
respective successors and assigns.

         Section  5.9.  Reinstatement  of  Obligation.  The  obligations  of the
Guarantor  under this Guaranty  shall be reinstated to the extent of any payment
made by the  Borrower  which must be  returned  by reason of the  bankruptcy  or
insolvency of the Borrower or for any other reason,  subject to the  limitations
contained in this Guaranty.

         Section 5.10. Rules of Construction.

         (A) Words of the neuter gender shall be deemed and construed to include
correlative words of the feminine and masculine genders.

         (B) Unless the context shall  otherwise  indicate,  the term  Guarantor
shall include the plural as well as the singular number.

         (C) Terms used and not defined herein shall have the meanings set forth
in the  Agreement  or in  the  Indenture  to  the  extent  such  meaning  is not
incompatible with the context used herein.

         IN WITNESS  WHEREOF,  the  Guarantor  and the Trustee  have caused this
Guaranty to be executed, all as of the date first above written.


                                     Page 10
<PAGE>   11

WITNESS:                                   KTI, INC.

/s/ Suzanne VanDyk                         /s/ Martin J. Sergi
- ----------------------                     ------------------------------------
                                           By: Martin J. Sergi
                                           Its: President


                                           THE CHASE MANHATTAN BANK,
                                           as trustee,

/s/ Mary Lou Bessey                        /s/ Don Iaccheri
- ----------------------                     ------------------------------------
                                           By: Don Iaccheri
                                           Its: Authorized Signed


                                     Page 11

<PAGE>   1
                                                                     Exhibit 4.5


      THIS WARRANT MAY NOT BE SOLD,  TRANSFERRED OR OTHERWISE DISPOSED OF EXCEPT
      AS SPECIFIED IN SECTION 15 HEREOF.  NEITHER THE RIGHTS REPRESENTED BY THIS
      WARRANT  NOR THE  SHARES  ISSUABLE  UPON THE  EXERCISE  THEREOF  HAVE BEEN
      REGISTERED FOR OFFER OR SALE UNDER THE SECURITIES ACT OF 1933. SUCH RIGHTS
      AND SHARES MAY NOT BE SOLD OR OFFERED  FOR SALE IN WHOLE OR IN PART EXCEPT
      IN ACCORDANCE WITH THE PROVISIONS OF SECTION 15 HEREOF.

                          BANGOR HYDRO-ELECTRIC COMPANY

                        Warrant to Purchase Common Stock

      BANGOR HYDRO-ELECTRIC COMPANY, a Maine corporation (the "Company"), hereby
certifies that, for value received, PERC Management Company Limited Partnership,
a Maine limited partnership,  is entitled, subject to the terms set forth below,
to purchase  from the Company  upon  surrender of this  Warrant,  at any time or
times on or after  June 26,  1998 but not after 4:00  P.M.,  Eastern  Prevailing
Time, on the Expiration Date, June 26, 2008, seven hundred twelve thousand eight
hundred and fifty-seven  (712,857) fully paid nonassessable shares (the "Warrant
Shares") of Common Stock, $5.00 par value, of the Company (as adjusted from time
to time as provided in this Warrant) at an initial  purchase  price of $7.00 per
share in lawful money of the United States.

                                   DEFINITIONS

      SECTION 1. (a) Definitions. The following words and terms as used in this
Warrant shall have the following meanings:

      "Affiliate"  shall mean, with respect to a Person,  any other Person that,
directly  or  indirectly  through  one  or  more  intermediaries,  controls,  is
controlled by, or is under common control with, such first Person.

      "Business Day" shall mean, except as otherwise  provided in the definition
of  "Market  Price",  a day other  than a  Saturday,  a Sunday or a day on which
banking  institutions in Maine are authorized or obligated by law or required by
executive order to be closed.

      "Change of Control" shall mean (i) any merger, consolidation,  arrangement
or  reorganization   of  the  Company  with  any  Person  whereby,   after  such
transaction,  holders of Shares of Common Stock prior to the transaction, do not
continue to own,  directly or indirectly,  at least a majority,  determined on a
fully-diluted  basis,  of the shares of the Voting  Stock of the  Company or the
surviving or resulting  corporation,  or (ii) any sale, lease or exchange of 50%
or more of the assets of the Company and its Subsidiaries,  taken as a whole, to
any Person. 

<PAGE>   2
      "Commission"   shall  mean  the  United  States  Securities  and  Exchange
Commission or the principal United States agency administering the United States
securities laws.

      "Common  Stock"  shall mean with  reference  to the Common Stock for which
Warrants are  exercisable,  only Common Stock of the class  existing on the date
hereof  and any stock  into which such  Common  Stock may  thereafter  have been
changed,  and,  when  otherwise  used  herein,  shall  include also stock of the
Company of any other class, whether now or hereafter authorized, which ranks, or
is entitled to a  participation,  as to assets or dividends,  substantially on a
parity with such  existing  Common Stock or other class of stock into which such
Common Stock have been changed.

      "Convertible  Securities"  shall mean any securities issued by the Company
that are convertible into or exchangeable for, directly or indirectly, shares of
Common Stock.

      "Expiration Date" shall mean June 26, 2008.

      "Holder"  shall mean the Person in whose name the Warrant set forth herein
is registered on the books of the Company maintained for such purpose.

      "Majority Holders" shall mean the holders of Warrants  exercisable for 50%
or more of the aggregate  number of shares of Common Stock then purchasable upon
exercise of all Warrants.

      "Market  Price" shall mean (a) the higher of (i) the highest  closing sale
price of the Common Stock on any domestic exchange on which the Common Stock may
be listed for the Business Day immediately  preceding,  or the last Business Day
that the Common  Stock  traded on such  exchange  prior to, the date as to which
"Market Price" is being determined and (ii) the average of the closing prices of
the Common Stock sales on all  domestic  exchanges on which the Common Stock may
at the time be listed or, if there shall have been no sales on any such exchange
on any day, the average of the reported bid prices on all such  exchanges at the
end of such day or, if on any day the Common  Stock shall not be so listed,  the
average of the  representative  bid prices quoted in the NASDAQ as of 3:30 P.M.,
New York prevailing  time, or if on any day the Common Stock shall not be quoted
in the  NASDAQ,  the  average  of the high and low bid prices on such day in the
domestic  over-the-counter  market as reported by the National Quotation Bureau,
Incorporated,  or any similar successor organization, in each such case averaged
over a period of 10 consecutive  Business Days (or other such period as shall be
specified  herein)  prior  to the  date as of  which  "Market  Price"  is  being
determined;  provided,  however,  that if the  Common  Stock  is  listed  on any
domestic  exchange  or the  NASDAQ  the  term  "Business  Day"  as  used in this
definition  shall mean any day on which such  exchange or the NASDAQ is open for
trading or (b) in the event the Common  Stock is not Publicly  Traded,  the fair
market  value of the Common  Stock as  determined  in good faith by the Board of
Directors of the Company;  provided,  however,  that such  determination  may be
challenged by any Holders and any dispute arising therefrom shall be resolved by
an investment bank of recognized standing selected by the Company and reasonably
satisfactory to such Holders whose


                                      -2-
<PAGE>   3

determination  of the fair market  value of the Common  Stock shall be final and
binding on the parties;  and the fees and expenses  incurred by such  investment
bank in connection with its determination  shall, in the case it determines that
the  fair  market  value  of the  Common  Stock  is  (i)  90% or  more  of  such
determination of the Board of Directors, be borne by such Holders, and (ii) less
than  90% of such  determination  of the  Board  of  Directors,  be borne by the
Company.

      "Person"  shall mean an individual  or  corporation,  partnership,  trust,
incorporated or unincorporated association,  joint venture, joint stock company,
government  (or an agency or political  subdivision  thereof) or other entity of
any kind.

      "Public Offering" shall mean a firm underwritten  offering of Common Stock
registered  under the  Securities  Act of 1933 on Form  S-1,  S-2 or S-3 (or any
successor form) and offered generally to the public.

      "Publicly Traded" shall mean, with respect to any securities, listed on a
nationally recognized U.S. securities exchange or admitted for trading on the
NASDAQ.

      "Rule  144"  shall  mean  the  rule  of  such  number  promulgated  by the
Commission under the Securities Act and any successor rule thereto.

      "Voting  Stock"  shall  mean,  as applied to the stock (or the  equivalent
thereof)  of any  Person,  stock (or such  equivalent)  of any class or classes,
however designated,  having ordinary voting power for the election of at least a
majority of the board of  directors  (or other  governing  body) of such Person,
other than stock (or such  equivalent)  having  such power only by reason of the
happening of a contingency.

      "Warrant Exercise Price" shall mean initially $7.00 per share and shall be
adjusted and readjusted from time to time as provided in this Warrant.

      "Warrants" shall mean collectively the rights granted by this Warrant and
the rights granted by Warrants issued on June 26, 1998 to Municipal Review
Committee, Inc. and Energy National Inc.

      (b) Other  Definitional  Provisions.  (i)  Except as  otherwise  specified
herein,  all references herein (A) to any Person other than the Company shall be
deemed to include such Person's successors and assigns, (B) to the Company shall
be deemed to include the  Company's  successors  and (C) to any  applicable  law
defined or referred to herein shall be deemed  references to such applicable law
as the same may have been or may be amended or supplemented from time to time.

      (ii)  When  used  in  this  Warrant,  the  words  "herein",  "hereof"  and
"hereunder", and words of similar import, shall refer to this Warrant as a whole
and not to any provision of this Warrant,  and the words  "Section",  "Schedule"
and  "Exhibit"  shall refer to Sections of, and  Schedules and Exhibits to, this
Warrant unless otherwise specified.


                                      -3-
<PAGE>   4

      (iii)  Whenever the context so requires,  the neuter  gender  includes the
masculine or feminine,  and the singular  number  includes the plural,  and vice
versa.

      SECTION  2.  Exercise  of  Warrant.  Subject  to the terms and  conditions
hereof,  this Warrant may be exercised,  in whole or in part, at any time during
normal  business  hours on or after the opening of business on June 26, 1998 and
prior to 4:00 P.M.,  Eastern Prevailing Time, on the Expiration Date. The rights
represented by this Warrant may be exercised by the Holder,  in whole or in part
(except that this Warrant shall not be exercisable as to a fractional share), by
(i)  delivery  of a  written  notice,  in the  form of the  Subscription  Notice
attached as Exhibit A, of the Holder's election to exercise this Warrant,  which
notice shall specify the number of Warrant Shares to be purchased,  (ii) payment
to the Company of an amount equal to the Warrant  Exercise  Price  multiplied by
the number of Warrant Shares as to which the Warrant is being  exercised in cash
or by certified or official bank check,  for the number of Warrant  Shares as to
which  this  Warrant  shall have been  exercised,  (iii) the  surrender  of this
Warrant,  properly endorsed,  at the principal office of the Company at 33 State
Street,  Bangor,  Maine (or at such other agency or office of the Company as the
Company may  designate  by notice to the Holder) and (iv) if the Warrant  Shares
issuable  upon the exercise of the rights  represented  by this Warrant have not
been registered under the Securities Act,  delivery to the Company by the Holder
of a letter in the form of Exhibit B hereto [unless in the opinion of counsel to
the Holder  reasonably  acceptable  to the Company  (delivered  to the  Company)
delivery  of such  letter is not  required].  If such  Warrant  Shares are to be
issued in any name other than that of the Holder or its nominee,  such  issuance
shall be deemed a transfer and the provisions of Section 15 shall be applicable.
In the event of any  exercise  of the  rights  represented  by this  Warrant,  a
certificate or certificates  for the Warrant Shares so purchased,  registered in
the name of,  or as  directed  by,  the  Holder,  shall be  delivered  to, or as
directed by, Holder within a reasonable  time,  not exceeding  five days,  after
such rights shall have been so exercised.  Unless the rights represented by this
Warrant shall have expired or have been fully exercised, the Company shall issue
a new Warrant  identical in all respects to the Warrant  exercised except (A) it
shall  represent  rights to purchase  the number of Warrant  Shares  purchasable
immediately prior to such exercise under the Warrant exercised,  less the number
of Warrant  Shares with respect to which such Warrant was  exercised and (B) the
Warrant  Exercise  Price  thereof  shall be the  Warrant  Exercise  Price of the
Warrant  exercised.  The Person in whose name any certificate for Warrant Shares
is issued upon exercise of this Warrant shall for all purposes be deemed to have
become  the holder of record of such  Warrant  Shares  immediately  prior to the
close of business on the date on which the Warrant was  surrendered  and payment
of the amount due in respect of such exercise was made, irrespective of the date
of  delivery  of  such  share  certificate,  except  that,  if the  date of such
surrender and payment is a date when the stock transfer books of the Company are
properly  closed,  such Person shall be deemed to have become the holder of such
Warrant Shares at the opening of business on the next  succeeding  date on which
the stock transfer books are open.

      SECTION 3. Covenants as to Common Stock. The Company covenants and agrees
that all Warrant Shares that may be issued upon the exercise of the rights
represented by this Warrant will, upon issuance, be validly issued, fully paid
and nonassessable. The Company further


                                      -4-
<PAGE>   5

covenants and agrees that during the period within which the rights  represented
by this Warrant may be exercised,  the Company will at all times have authorized
and  reserved a  sufficient  number of shares of Common Stock to provide for the
exercise of the rights then  represented  by this Warrant and that the par value
of said shares will at all times be less than the  applicable  Warrant  Exercise
Price.

      SECTION 4.  Adjustment of Warrant  Exercise Price and Adjustment of Number
of Shares.  The  number of shares and  Warrant  Exercise  Price of Common  Stock
issuable  upon  exercise of this  Warrant  shall be subject to  adjustment  on a
weighted  average basis to prevent  dilution,  (a) in the event that the Company
issues  additional  Common Stock at less than the Market Price as of the date of
issue (other than pursuant to this Warrant), or rights,  warrants, or options to
acquire  Common  Stock  at less  than the  Market  Price as of the date of issue
(other than shares reserved for issuance to employees or directors);  (b) in the
event that the Company issues  securities  convertible  into or exchangeable for
Common Stock at less than the equivalent  Market Price of the Common Stock as of
the  date of  issue;  (c) in the  event  that  the  Company  declares  any  cash
distributions other than from current earnings;  or (d) upon stock splits, stock
dividends, divisions, combinations,  reorganizations,  reclassifications, or any
other  event  which is  similar  in effect  to any of the  events  described  in
subsections (a) through (d) hereof.

      SECTION 5.  Reorganizations.  (a) Reorganization or  Reclassification.  In
case of any capital  reorganization  or of any  reclassification  of the Capital
Stock of the  Company  (other than a change in par value or from par value to no
par value or from no par value to par  value),  this  Warrant  shall,  upon such
capital  reorganization or reclassification,  entitle the Holder to purchase the
kind and number of shares of stock or other securities or cash,  assets or other
property  of the  Company to which the Holder  would have been  entitled  if the
holder had held the Common Stock issuable upon the exercise  hereof  immediately
prior to such capital reorganization or reclassification.

      (b) Change of  Control.  In case of any Change of  Control,  this  Warrant
shall  entitle the holder,  immediately  and at all times  thereafter  until the
Expiration  Date, to exercise this Warrant and to receive the kind and number of
shares of stock or other  securities  or cash,  assets or other  property of the
Person  resulting  from or surviving  such Change of Control to which the holder
would have been  entitled if the holder had held the Common Stock  issuable upon
the exercise  hereof  immediately  prior to such Change of Control.  The Company
shall not effect any such Change of Control unless,  prior to or  simultaneously
with the consummation  thereof, the successor Person (if other than the Company)
resulting from such Change of Control or the corporation  purchasing such assets
shall  assume by written  instrument  executed  and mailed or  delivered  to the
holder the obligation to deliver to the holder such shares of stock, securities,
cash, assets or other property as, in accordance with the foregoing  provisions,
such Holder may be entitled to receive upon the exercise of this Warrant.

      (c) Applicable Provisions. In case of either paragraph (a) or (b) of this
Section 5, appropriate provision shall be made with respect to the rights and
interests of the holder to the end that the provisions hereof (including without
limitation provisions for adjustment of the


                                      -5-
<PAGE>   6

Warrant Exercise Price and of the number of shares purchasable upon the exercise
of this Warrant) shall thereafter be applicable, as nearly as may be in relation
to any shares of stock,  securities or assets  thereafter  deliverable  upon the
exercise of the rights represented hereby.

      SECTION 6. Notice of Warrant  Exercise  Price.  The Company shall annually
give a notice to the Holder, which notice shall state the Warrant Exercise Price
in  effect  and the  increase  or  decrease,  if any,  in the  number  of shares
purchasable  at the Warrant  Exercise  Price upon the exercise of this  Warrant,
setting forth in reasonable  detail the method of calculation and the facts upon
which such calculation is based.

      SECTION  7.  Computation  of  Adjustments.  Upon  each  computation  of an
adjustment  to the Warrant  Exercise  Price and the number of shares that may be
subscribed for and purchased upon exercise of this Warrant, the Warrant Exercise
Price shall be computed to the nearest cent (i.e., fractions of 0.5 of a cent or
greater,  shall be  rounded to the next  highest  cent) and the number of shares
that may be subscribed  for and purchased upon exercise of this Warrant shall be
calculated to the nearest whole share (i.e.,  fractions of less than one half of
a share shall be  disregarded  and  fractions  of one half of a share or greater
shall be  treated as being a whole  share).  No such  adjustment  shall be made,
however,  if the change in the Warrant  Exercise  Price would be less than $0.01
per  share,  but any such  lesser  adjustment  shall be made (i) at the time and
together  with  the  next  subsequent   adjustment  which,   together  with  any
adjustments carried forward, shall amount to $0.01 per share or more, or (ii) if
earlier,  upon the third  anniversary of the event for which such  adjustment is
required.

      SECTION 8. Notice of Certain Events. In case at any time:

      (a) the Company shall make any distribution in respect of its Common Stock
(other than the payment of a cash dividend from current earnings);

      (b) the Company  shall  propose to register  any of its Common Stock under
the  Securities  Act in connection  with a public  offering of such Common Stock
(other than with respect to a registration  statement filed on Form S-8 or other
such similar form then in effect under the Securities Act);

      (c) the Company  shall offer for  subscription  pro rata to the holders of
its Common Stock any additional shares of stock of any class or other rights;

      (d) there shall be any capital reorganization, or reclassification of the
capital stock, of the Company, or Change of Control; or

      (e) there shall be a voluntary or involuntary dissolution, liquidation or
winding up of the Company;

then,  in any one or more of said cases,  the  Company  shall give notice to the
Holder of the date on which (i) the books of the Company shall close or a record
shall be taken for such distribution or


                                      -6-
<PAGE>   7

subscription  rights or (ii) such  reorganization,  reclassification,  Change of
Control,  dissolution,  liquidation or winding up shall take place,  as the case
may be. Such notice shall be given not less than  twenty-one  (21) days prior to
the record date or the date on which the transfer books of the Company are to be
closed in respect  thereto in the case of an action  specified in clause (i) and
at least  forty-five (45) days prior to the action in question in the case of an
action specified in clause (ii).

      SECTION 9. No Change in Warrant Terms on Adjustment.  Irrespective  of any
adjustment in the Warrant Exercise Price or the number of shares of Common Stock
issuable upon exercise hereof,  this Warrant,  whether theretofore or thereafter
issued or reissued,  may continue to express the same price and number of shares
as are stated  herein and the Warrant  Exercise  Price and such number of shares
specified herein shall be deemed to have been so adjusted.

      SECTION 10. Limitation on Right to Exercise Warrants.  Notwithstanding the
rights to exercise the Warrant granted herein, other than as provided in Section
5, the Holder may exercise this Warrant only to the following extent: (a) 25% of
the Warrants  initially granted hereunder may be exercised on or after March 26,
1999; (b) 50% of the Warrants initially granted hereunder may be exercised on or
after March 26, 2000; (c) 75% of the Warrants initially granted hereunder may be
exercised on or after March 26, 2001; (d) 100% of the Warrants initially granted
hereunder may be exercised on or after March 26, 2002.

      SECTION 11. Registration Rights. (a) Required  Registration.  Upon written
request by Majority Holders,  the Company shall use its best efforts to register
and to maintain in effect for a period of one year,  pursuant to the  Securities
Act of 1933,  the Common Stock for which  Warrants are  exercisable or have been
exercised.  The Company's Board of Directors may, upon determining that there is
a valid business reason for doing so, delay filing a Registration  Statement for
up to 120 days  after  receipt  of the  written  request.  Upon  receipt of such
written  request,  the Company  shall notify all holders of Warrants that such a
request has been made and shall provide all holders  reasonable  opportunity  to
include Common Stock in the registration. If on the date of such written request
the  Company  has filed or notifies  the  Majority  Holders it intends to file a
Registration  Statement  pursuant to the Securities Act of 1933 within 120 days,
the requirements of this subsection will be met by the inclusion of Common Stock
within  the  Registration  Statement  filed  or  to  be  filed.  Upon  filing  a
Registration  Statement  pursuant to this subsection,  the Company shall have no
obligation to file additional Registration Statements at the request of Majority
Holders for a period of one year.

      (b) Incidental  Registration.  If the Company  proposes to register any of
its common stock  pursuant to the  Securities  Act of 1933 in connection  with a
public  distribution  of  that  stock,  other  than  pursuant  to  a  merger  or
acquisition  for  stock  or  pursuant  to  an  employee   benefits,   option  or
compensation  plan (unless such plans in the aggregate  provide for the issuance
of more than 10% of the Company's then outstanding  common stock), it shall give
notice to all  holders  of  Warrants  and give them  reasonable  opportunity  to
participate in the registration.


                                      -7-
<PAGE>   8

      (c)  Tag-Along  Rights.  If the Company  shall propose to issue and if any
single entity shall propose to acquire  securities of the Company  having voting
power equal to or more than the voting power of the then  outstanding  shares of
the  Company,  the Company  may not accept the offer of such entity  unless such
entity shall  simultaneously  make an offer to purchase this warrant,  or all of
the shares  underlying  this  warrant  and all other  warrants  of this class of
warrant, or all of the shares underlying such warrants,  which is accepted by at
least one of the  holders  of this  class of  warrants.  Such  purchase  must be
simultaneous  with the purchase of the securities to be issued by the Company to
such entity.

      (d) Costs of Registration. All costs of registration shall be paid by the
Company.

      SECTION 12. Options at the Time of Exercise.  (a) Company's  Option to Pay
Cash in Lieu of Issuing  Common Stock.  Upon the exercise of this  Warrant,  the
Company may elect, at its option, to give the Holder immediate notice and to pay
the Holder within ten (10) business days a sum of cash in lieu of Issuing Common
Stock as  provided  in Section 2. The amount of cash  payable  pursuant  to this
subsection  shall be calculated by subtracting  the Warrant  Exercise Price from
the  Market  Price on the date of  exercise  and  multiplying  the result by the
number of shares of Common Stock as to which exercise is being made. At the time
of making any payment  pursuant to this Section,  the Company shall repay to the
Holder any amounts paid in connection with the exercise of the Warrant  pursuant
to Section 2. The Company may  exercise  this option only if in doing so it does
not violate any material covenants contained in any of its financing  agreements
that have not been waived.

      (b) Cashless Exercise. At the time of exercise of this Warrant, the Holder
may elect to exercise the option  provided in this  subsection in lieu of making
the cash  payment  required by Section 2. Upon  written  notice of its desire to
exercise this option given at the same time and in the same manner as the notice
specified  in Section 2, the Holder shall be entitled to the issuance of Warrant
Shares (in lieu of the Warrant Shares otherwise issuable pursuant to Section 2),
the number of which  shall be  calculated  as  follows:  the  product of (x) the
number of shares as to which the Warrant is being  exercised and (y) a fraction,
the numerator of which is the Market Price of the Common Stock minus the Warrant
Exercise  Price and the  denominator  of which is the Market Price of the Common
Stock.

      SECTION 13. Warrant Holder Not Deemed a Shareholder. Except as provided in
Section 8, no Holder, as such, shall be entitled to vote or receive dividends or
be  deemed  the  holder  of shares of the  Company  for any  purpose,  nor shall
anything  contained in this  Warrant be construed to confer upon the Holder,  as
such,  any of the rights of a  shareholder  of the Company or any right to vote,
give or withhold  consent to any corporate  action (whether any  reorganization,
issue  or  reclassification  of  stock,  consolidation,  merger,  conveyance  or
otherwise),  receive  notice of  meetings,  receive  dividends  or  subscription
rights,  or  otherwise,  prior to the  issuance  of record to the  Holder of the
Warrant  Shares  which it is then  entitled to receive  upon the due exercise of
this Warrant.

      SECTION 14. No Limitation on Corporate Action; No Avoidance of Terms.


                                      -8-
<PAGE>   9

      (a) No  provisions  of this  Warrant  and no right or  option  granted  or
conferred  hereunder  shall in any way limit,  affect or abridge the exercise by
the Company of any of its corporate rights or powers to recapitalize,  amend its
charter,  reorganize,  consolidate or merge with or into another corporation, or
to transfer  all or any part of its  property or assets,  or the exercise of any
other of its corporate rights and powers.

      (b) The Company shall not by any action,  including,  without  limitation,
amending its articles of incorporation or through any  reorganization,  transfer
of assets, consolidation,  merger or arrangement,  dissolution, issue or sale of
securities or any other voluntary action,  avoid or seek to avoid the observance
or  performance  of any of the terms of this  Warrant,  but will at all times in
good faith assist in the carrying out of all such terms and in the taking of all
such  actions as may be necessary  or  appropriate  to protect the rights of the
Holder against impairment. Without limiting the generality of the foregoing, the
Company will take all such action as may be necessary  or  appropriate  in order
that the Company may  validly  and  legally  issue fully paid and  nonassessable
shares of Common Stock upon the exercise of this Warrant.

      SECTION 15. Transfer; Opinions of Counsel; Restrictive Legends.

      (a) Prior to any sale,  transfer or other  disposition  of this Warrant or
the Warrant  Shares,  the Holder thereof will give seven (7) days' notice to the
Company  of its  intention  to effect  such  transfer.  Each such  notice  shall
describe  the manner and  circumstances  of the  proposed  transfer and shall be
accompanied by an opinion of counsel for the Holder  reasonably  satisfactory to
the Company,  addressed to the Company and reasonably  satisfactory  in form and
substance to it stating that, in the opinion of such counsel, such transfer is a
transaction exempt from registration under the Securities Act.

      (b) If such sale,  transfer  or other  disposition  may, in the opinion of
such counsel,  be effected  without  registration  under the Securities Act, the
holder  shall  thereupon  be entitled to transfer  this  Warrant and the Warrant
Shares in accordance with the terms of the notice delivered by the Holder to the
Company.  If, in the opinion of such counsel,  such transfer may not be effected
without  registration under the Securities Act, the Holder shall not be entitled
to so transfer this Warrant or the Warrant  Shares unless (i) the Company elects
to file a  registration  statement  relating to such proposed  transfer and such
registration statement has become effective under the Securities Act or (ii) the
provisions of Section 11 apply.

      (c)  Notwithstanding  the provisions of this Section 15, the Holder may at
any time  transfer  this  Warrant or the Warrant  Shares to an  Affiliate  or an
Associate (as such term is defined in Section 12b-2 of the  Securities  Exchange
Act of 1934, as amended) of the Holder.

      (d)(i) Except as otherwise  provided in this Section 15, each  certificate
for Warrant Shares initially issued upon the exercise of this Warrant,  and each
certificate  for Warrant Shares issued to any subsequent  transferee of any such
certificate,  shall be stamped or otherwise imprinted with a legend stating that
the shares represented by such certificate have not been


                                      -9-
<PAGE>   10

registered under the Securities Act of 1933 and may not be transferred except in
accordance  with the  provisions of the Securities Act of 1933 and Section 15 of
this Warrant.

      (ii) Except as otherwise  provided in this Section 15, each Warrant  shall
be stamped or otherwise  imprinted with a legend stating that neither the rights
represented  by the Warrant nor the shares  issuable  upon the exercise  thereof
have been  registered  under the Securities Act of 1933 and that such rights and
shares may not be  transferred  except in accordance  with the provisions of the
Securities Act of 1933 and Section 15 of this Warrant.

      (e) Termination of Restrictions. The restrictions imposed by Section 15(a)
and  the  legend  requirements  of  Section  15(d)  shall  terminate  as to  any
particular  Warrant or Warrant Share (i) when and so long as such security shall
have been  effectively  registered under the Securities Act of 1933 and disposed
of in a public sale or distribution  pursuant  thereto,  (ii) when such security
shall  have been  disposed  of in  accordance  with  Rule 144 or (iii)  when the
Company shall have received opinions of counsel  reasonably  satisfactory to it,
which opinions shall be  satisfactory  in substance and form to the Company,  to
the effect that such  restrictions on transfer pursuant to the Securities Act of
1933 no longer apply.  Whenever said restrictions and legend  requirements shall
terminate  as to this  Warrant,  as  hereinabove  provided,  the Holder shall be
entitled  to receive  from the  Company,  at the expense of the  Company,  a new
Warrant bearing a legend in place of the restrictive legend described in Section
15(d) stating that the restrictions on  transferability of the Warrant have been
terminated. Whenever the restrictions imposed by this Section 15 shall terminate
as to any Warrant Share,  as hereinabove  provided,  the holder thereof shall be
entitled  to  receive  from  the  Company,  at  the  Company's  expense,  a  new
certificate  representing  such Common Stock not bearing the restrictive  legend
described in Section 15(d).

      SECTION 16.  Exchange of Warrant.  This Warrant is  exchangeable  upon the
surrender  hereof by the Holder at the office or agency of the Company,  for new
Warrants of like tenor  representing in the aggregate the right to subscribe for
and  purchase  the number of shares which may be  subscribed  for and  purchased
hereunder  from time to time after giving effect to all the  provisions  hereof,
each of such new Warrants to represent  the right to subscribe  for and purchase
such number of shares as shall be designated by the Holder hereof at the time of
such surrender.

      SECTION 17. Lost, Stolen,  Mutilated or Destroyed Warrant. If this Warrant
is lost, stolen,  mutilated or destroyed,  the Company shall, upon receipt by it
of indemnity  satisfactory to it, issue a new Warrant of like  denomination  and
tenor as the  Warrant so lost,  stolen,  mutilated  or  destroyed.  Any such new
Warrant  shall  constitute  an original  contractual  obligation of the Company,
whether or not the allegedly lost, stolen,  mutilated or destroyed Warrant shall
be at any time enforceable by anyone.

      SECTION 18. Division and Combination.  Subject to Section 15, this Warrant
may be divided or combined with other Warrants upon  presentation  hereof at the
office or agency of the Company,  together with a written notice  specifying the
names and  denominations  in which new Warrants are to be issued,  signed by the
Holder or its agent or attorney. Subject to compliance


                                      -10-
<PAGE>   11

with  Section 15, as to any transfer  which may be involved in such  division or
combination,  the Company shall execute and deliver a new Warrant or Warrants in
exchange  for the Warrant or  Warrants  to be divided or combined in  accordance
with such  notice.  The  Company  shall  prepare,  issue and  deliver at its own
expense the new Warrant or  Warrants  under each of Section 15 and this  Section
18.

      SECTION 19. Maintenance of Books. The Company agrees to maintain, at its
office or agency, books for the registration and the registration of transfer of
the Warrants.

      SECTION 20. [Intentionally Omitted.]

      SECTION  21.  Notice.  All  notices  and other  communications  under this
Warrant  shall (a) be in writing,  (b) be (i) sent by  registered  or  certified
mail,  postage prepaid,  return receipt requested or (ii) delivered by hand, (c)
be given at the  following  respective  addresses  and to the  attention  of the
following Persons:

            (i)   if to the Company, to it at:

                  Bangor Hydro-Electric Company
                  33 State Street
                  P.O. Box 932
                  Bangor, Maine  04402-0932

                  Attention: President

            (ii)  if to the initial Holder, to it at:

                  PERC Management Company Limited Partnership
                  c/o KTI, Inc.
                  7000 Boulevard East
                  Guttenberg, NJ  07093

                  Attention: President

or to such other  address or to the  attention of such other person as the party
to whom such  information  pertains may  hereafter  specify for the purpose in a
notice to the other specifically captioned "Notice of Change of Address" and (d)
be effective or deeded delivered or furnished (i) if given by mail, on the fifth
Business Day after such  communication  is  deposited in the mail,  addressed as
above provided and (ii) if given by hand delivery, when left with an employee of
the  addressee  at the address of the  addressee  addressed  as above  provided,
except that notices of a change of address shall not be deemed  furnished  until
received.

      SECTION 22. Miscellaneous. This Warrant and any term hereof may not be
changed, waived, discharged, or terminated except by an instrument in writing
signed by the party or


                                      -11-
<PAGE>   12

holder hereof  against which  enforcement of such change,  waiver,  discharge or
termination  is  sought.  The  headings  in this  Warrant  are for  purposes  of
reference only and shall not limit or otherwise affect the meaning hereof.

      SECTION 23. Date. The date of this Warrant is June 26, 1998. This Warrant,
in all events, shall be wholly void and of no effect after the close of business
on the Expiration Date, except that notwithstanding any other provisions hereof,
the  provisions  of Sections  11 and 15 shall  continue in full force and effect
after such date as to any  Warrant  Shares or other  securities  issued upon the
exercise of this Warrant.

      SECTION 24. Governing Law. This Warrant shall be construed in accordance
with and governed by the laws of the State of Maine, excluding those applicable
to choice of law.

      IN WITNESS WHEREOF,  the Company has caused this Warrant to be executed by
its duly authorized officers as of this June 26, 1998.

                                    BANGOR HYDRO-ELECTRIC COMPANY



                                    By: /s/ Frederick S. Samp
                                        ----------------------------------------
                                    Its: Vice President - Finance & Law


                                      -12-
<PAGE>   13

                                                                       Exhibit A
                                                                      to Warrant

                               SUBSCRIPTION NOTICE

                 TO BE EXECUTED BY THE REGISTERED HOLDER IF SUCH
                     HOLDER DESIRES TO EXERCISE THIS WARRANT

                          BANGOR HYDRO-ELECTRIC COMPANY

      The  undersigned  hereby  exercises the right to purchase  Warrant  Shares
covered by this Warrant  according to the conditions  thereof and herewith makes
payment of  $____________,  the aggregate Warrant Exercise Price of such Warrant
Shares, in full.

                                    [NAME OF HOLDER]



                                       By:
                                     Title:



                                    Number of
                              Warrant Shares Being
                                    Purchased

Dated:__________________________, 19[20]
<PAGE>   14

                                                                       Exhibit B
                                                                      to Warrant

Attention:

      Re:   Exercise of Warrant, dated

Dear Sirs:

      In connection  with the  undersigned's  purchase of Common Stock of Bangor
Hydro-Electric  Company upon  exercise of a warrant  therefor,  the  undersigned
confirms and agrees as follows:

            1. As the  purchaser  of the  shares  of  Common  Stock in a private
      placement not registered under the Securities Act of 1933, as amended (the
      "Act"),  the undersigned is purchasing such shares for its own account for
      investment  and (subject to the  disposition  of its property being at all
      times within its control) not with a view to any resale,  distribution  or
      other  disposition  thereof,  and the  undersigned  is  proceeding  on the
      assumption  that it must bear the economic risk of the  investment  for an
      indefinite period, since the shares of Common Stock may not be sold except
      as provided in paragraph 2 below.

            2. The  undersigned  agrees that,  if in the future the  undersigned
      should  decide to dispose of the shares of Common Stock (such  disposition
      not being presently  foreseen or  contemplated),  the undersigned will not
      offer,  sell,  transfer or exchange  such shares of Common  Stock,  except
      under  conditions  that  would  not  violated  the  Act or any  applicable
      securities laws.

            3. The undersigned is purchasing the shares of Common Stock pursuant
      to an exemption  from the  registration  requirements  of the Act and from
      registration  or   qualification   requirements   under  applicable  state
      securities laws.

      If  administrative  or legal  proceedings  are  commenced or threatened in
connection  with  which this  notice is or would be  relevant,  the  undersigned
irrevocably authorizes Bangor Hydro-Electric Company to produce this notice or a
copy thereof to any interested party in such proceedings.

Date:

                                    [NAME OF HOLDER]



                                       By:
                                     Title:

<PAGE>   1
                                                                     Exhibit 4.6


                           THIRD AMENDED AND RESTATED
                                  AGREEMENT OF
                               LIMITED PARTNERSHIP
                                       OF
             PENOBSCOT ENERGY RECOVERY COMPANY, LIMITED PARTNERSHIP

This THIRD AMENDED AND RESTATED  AGREEMENT OF LIMITED  PARTNERSHIP,  dated as of
June 26,  1998,  relative to the Maine  limited  partnership  known as PENOBSCOT
ENERGY RECOVERY COMPANY, LIMITED PARTNERSHIP (the "Partnership") is entered into
by and among:

            PERC MANAGEMENT COMPANY LIMITED PARTNERSHIP a Maine limited
partnership ("PMC");

            ENERGY NATIONAL, INC., a Utah corporation ("ENI"); and

            Upon their  admission as Limited  Partners in the  Partnership,  the
EQUITY CHARTER  MUNICIPALITIES which exercise their Equity Participation Options
to become Limited Partners in the Partnership.

                              PRELIMINARY STATEMENT

The Partnership was originally  formed in 1983 for the purpose of  constructing,
owning and operating a waste to energy facility in the Town of Orrington, Maine.
The  Partnership  currently  exists  pursuant to a Second  Amended and  Restated
Agreement and  Certificate of Limited  Partnership  dated May 15, 1986 which has
been amended by the First and Second Amendments  thereto dated June 14, 1991 and
September 29, 1997,  respectively (the "Existing  Partnership  Agreement").  The
Existing  Partnership  Agreement has been supplemented by a Restated Certificate
of Limited  Partnership  filed with the Maine  Secretary of State on October 14,
1997.

The purpose of this Third Amended and Restated Agreement of Limited  Partnership
Agreement  (the  "Partnership   Agreement")  is  to  (i)  confirm  the  complete
withdrawal  of The  Prudential  Insurance  Company of America  ("PRU")  from the
Partnership  effective  November  12, 1997;  (ii)  provide for the  admission of
Equity  Charter  Municipalities  as new  Limited  Partners  of  the  Partnership
consistent with their respective Equity Participation  Options;  (iii) allow for
the possible  redemption  of the  interests  of all of the Partners  (other than
Equity Charter Municipalities) and the admission of Purchasing Municipalities in
accordance  with purchase  options  exercisable in the year 2018; (iv) amend and
restate in its entirety the Existing  Partnership  Agreement and (v) confirm the
Partners' election to continue the Partnership's business in accordance with the
Partnership Agreement.

            NOW,  THEREFORE,  in consideration of the mutual covenants contained
herein and of other good and valuable consideration, the receipt and sufficiency
of which are hereby 

<PAGE>   2
acknowledged, the parties agree as follows:

                             ARTICLE 1. DEFINITIONS.

            As used in this  Agreement,  the  following  terms  shall  have  the
following  meanings (such meanings to be equally applicable to both the singular
and plural forms of the terms defined):

            1.1 Affiliate. "Affiliate" means an "affiliate," as defined in Rule
405 under the Securities Act.

            1.2 Aggregate Prepayment Amount. "Aggregate Prepayment Amount" means
the aggregate amount, computed from time to time, of the principal amount of the
FAME Bonds, or other Partnership borrowings,  that have been prepaid, purchased,
cancelled or defeased by the  application of  Performance  Credits in accordance
with the rights of the Equity Charter  Municipalities under their Waste Disposal
Agreements.

            1.3 Amending Charter  Municipality.  "Amending Charter Municipality"
means any Charter  Municipality that has entered into a Waste Disposal Agreement
on or before  September 30, 1998, or otherwise  qualifies as an Amending Charter
Municipality under a Waste Disposal Agreement.

            1.4 Associate. "Associate" means an "associate," as defined in Rule
405 under the Securities Act.

            1.5 Bankruptcy.  "Bankruptcy,"  with respect to the Partnership or a
Partner thereof,  means (a) an adjudication  that such Partner or Partnership is
bankrupt  or  insolvent,  or the entry of an order for relief  under the Federal
Bankruptcy  Code,  (b) the  making by it of an  assignment  for the  benefit  of
creditors,  (c) the filing by it of a petition in  bankruptcy  or a petition for
relief under any section of the Federal  Bankruptcy Code or any other applicable
bankruptcy or insolvency  statute or an answer  admitting or failing to deny the
allegations of any such petition, (d) the filing against it of any such petition
(unless  such  petition  is  dismissed  within  60 days  from the date of filing
thereof),  or (e) the appointment of a trustee,  conservator or receiver for all
or a  substantial  part of its assets  (unless  such  appointment  is vacated or
stayed within 60 days from its effective date).

            1.6 Bond Indenture. "Bond Indenture" means the trust agreement
entered into between the Finance Authority of Maine and The Chase Manhattan
Bank, as Trustee, in connection with the FAME Bonds.

            1.7 Bond Prepayment Date. "Bond Prepayment Date" has the meaning,
given such term in Section 3.2.

            1.8 Capital Transaction. "Capital Transaction" means any Partnership
transaction the proceeds of which are Net Sale or Refinancing Proceeds.

            1.9 Charter Municipality. "Charter Municipality" means each of the
municipalities,


                                       2
<PAGE>   3

counties, refuse disposal districts, public waste disposal corporations or other
quasi  municipal  corporations  which  remains  a party to a First  Amended  and
Restated  Waste Disposal  Agreement with the  Partnership as of the date of this
Partnership Agreement.

            1.10 Capitalized Management Fee. "Capitalized Management Fee" means
the unpaid management fees due the General Partners accrued on the books of the
Partnership through the date hereof.

            1.11 Code. "Code" means the United States Internal Revenue Code of
1986, as amended, and the regulations promulgated thereunder.

            1.12  Consent.  "Consent"  means the  written  consent  of a Person,
except that in the case of Equity  Charter  Municipalities  it means the written
consent of MRC which shall be binding on all Equity Charter Municipalities.

            1.13  CPI-U.  "CPI-U"  means  the  Consumer  Price  Index  All Urban
Consumers (U.S. Cities average, all items) as published bi-monthly by the United
States Bureau of Labor Statistics in a report  currently  entitled "CPI Detailed
Report," or if this index ceases to be published,  a comparable index designated
by the General Partners.

            1.14  Custodian.  "Custodian"  means  Bangor  Savings  Bank or other
financial  institution  designated  by MRC as its agent to receive and  disburse
Performance Credits for the benefit of Equity Charter  Municipalities and to act
as Custodian for the limited partnership  interests in the Partnership  acquired
by the Equity Charter Municipalities.

            1.15. Disposition.  "Disposition" means any sale or exchange (either
in one transaction or a series of  transactions)  to one or more buyers pursuant
to a plan of disposition formulated by the General Partners or other disposition
including,  but not  limited  to,  an  involuntary  disposition  giving  rise to
insurance or other proceeds  (except to the extent such proceeds are included in
Net Cash Flow) of a material amount of the Partnership's property outside of the
ordinary course of business.

            1.16 Dissolution Event. "Dissolution Event" means any of the events
set forth in Section 12.1.

            1.17 Distributable Cash. "Distributable Cash" means the amount
calculated in accordance with Schedule E to the Waste Disposal Agreements.

            1.18 ENI. "ENI" means Energy National, Inc. a Utah corporation, its
successors and assigns.

            1.19 Equity Charter Municipality. "Equity Charter Municipality"
means any Amending Charter Municipality that has timely exercised its option to
participate in the purchase of limited partnership interests in the Partnership
in accordance with Article XIX Paragraph C of a Waste


                                       3
<PAGE>   4

Disposal Agreement.  Upon any such timely exercise, the name and address of each
qualifying Equity Charter Municipality shall be listed on Schedule A attached to
this Agreement.

            1.20 Equity Participation Options. "Equity Participation Options"
means the right given to Amending Charter Municipalities under their respective
Waste Disposal Agreements to become Limited Partners in the Partnership.

            1.21 Equity Reserves. "Equity Reserves" means the following reserves
to be established by the Partnership under the Bond Indenture:  The Bangor Hydro
Funded  Account  (comprised  of the MRC  Retention  Subaccount  and the Borrower
Retention  Subaccount);  the MRC  Prepayment  Account and the  Borrower  Reserve
Account, all constituting part of the Bond Prepayment and Reserve Account.

            1.22 ESOCO. "ESOCO" means ESOCO Orrington, Inc., a Utah corporation
and an indirect, wholly-owned subsidiary of ENI.

            1.23  Existing  Debt.  "Existing  Debt"  means the tax exempt  bonds
issued by the Town to finance the initial  construction  of the Facility,  which
bonds remain unpaid as of the date of this Agreement, and obligations associated
with  equipment  leases  shown in  Schedule  B, as the same  may be  amended  or
supplemented in the future.

            1.24 Facility. "Facility" means the 25.3 megawatt refuse derived
fuel waste-to-energy facility owned and operated by the Partnership in the Town.

            1.25 FAME Bonds. "FAME Bonds" means the $44,995,000 Electric Rate
Stabilization Revenue Refunding Bonds Series 1998A and Series 1998B (Penobscot
Energy Recovery Company, L.P.) to be issued by FAME. or any authorized
replacement financing entered into by the Partnership.

            1.26 Fiscal Year. "Fiscal Year" means the tax year of the
Partnership, which shall be the calendar year.

            1.27 GAAP. "GAAP" means generally accepted accounting principles in
the United States in effect from time to time.

            1.28 General Partner. "General Partner" means PERC Management
Company Limited Partnership, a Maine limited partnership ("PMC") and Energy
National, Inc., a Utah corporation ("ENI"), or their respective successors or
lawful assigns.

            1.29 GP Sharing  Ratios.  "GP Sharing  Ratios"  means the  following
percentages:  PMC's GP Sharing Ratio shall be seventy percent (70%) and ENI's GP
Sharing Ratio shall be thirty percent (30%).

            1.30 Independent Accountant. "Independent Accountant" means such
nationally


                                       4
<PAGE>   5

recognized  firm of certified  public  accountants  as the General  Partners may
select from time to time.

            1.31  Limited  Partner.  "Limited  Partner"  means  PERC  Management
Company  Limited  Partnership,  a  Maine  limited  partnership  ("PMC");  Energy
National,   Inc.,  a  Utah   corporation   ("ENI"),   and  the  Equity   Charter
Municipalities,  when and if admitted as Limited  Partners,  or their  permitted
successors or lawful assigns.

            1.32  Liquidator.   "Liquidator"  means  the  Person  who  shall  be
responsible for taking all action  necessary or appropriate upon the liquidation
of the  Partnership to wind up its affairs and distribute its assets pursuant to
Article 12 of this Agreement.

            1.33 L.P. Sharing Ratios. "LP Sharing Ratios" means with respect to
each Limited Partner, the following percentages (which represents a 90% share of
the Partnership; the remaining 10% being the General Partner share):

      ENI:                            28.5714% less (28.5714% times the
                                      Municipal Share)
      PMC:                            71.4286% less (71.4286% times the
                                      Municipal Share)
      Equity Charter Municipalities:  The Municipal Share (to be allocated by
                                      the Partnership (in the aggregate): among
                                      the Equity Charter Municipalities
                                      consistent with the most recent MRC
                                      Allocation Certification).

            1.34 Management Fee.  "Management Fee" means a fee equal to $518,994
per year (adjusted  annually on each January 1,  commencing  January 1, 1992, by
the percentage  change from the  immediately  preceding  January 1 in the CPI-U)
that the Partnership shall pay to the General Partners pursuant to Section 6.4.

            1.35 Managing General Partner. "Managing General Partner" means PMC,
its successors and assigns.

            1.36 Minimum Gain. "Minimum Gain" means the excess of the
outstanding balance of all nonrecourse indebtedness which is secured by the
property of the Partnership over the adjusted basis of such property for Federal
income tax purposes.

            1.37 Moody's. "Moody's" means Moody's Investor Services, Inc.

            1.38 MRC. "MRC" means the non profit corporation known as the
Municipal Review Committee, Inc. formed by the Charter Municipalities to assist
them in their dealings with the Partnership and which serves as agent for all
Equity Charter Municipalities.

            1.39 MRC Allocation  Certification.  "MRC Allocation  Certification"
means the  certification  received by the Partnership  from the MRC on the first
Bond Prepayment  Date and continuing on each  subsequent  Bond Prepayment  Date,
stating  the  proportionate  interests  in the  Partnership  held by each of the
Equity Charter Municipalities as of the date of the Certification, which


                                       5
<PAGE>   6

Certification the Partnership may rely upon for all purposes.

            1.40 Municipal Share. "Municipal Share" means the product (expressed
as a percentage) obtained by multiplying 5/9 times the Aggregate Prepayment
Amount divided by the Purchase Price, which product shall be re-computed as of
each Bond Prepayment Date. (e.g., If Performance Credits totaling $930,000 are
used to prepay bonds, the Municipal Share is approximately 1.666%: 5/9 x
(930,000 / 31,000,000) x 100).

            1.41 "Net Cash Flow" means, for any period, the amount,  computed on
a cash basis, in accordance with generally accepted accounting principles, of:

            (i) the sum of (A) cash gross receipts,  all cash investment  income
of the Partnership,  and all cash received from any  refinancing,  sale or other
event, and (B) any amounts released from reserves maintained by the Partnership,
including those maintained pursuant to the FAME Bonds, reduced by:

            (ii)  the  sum of (A)  cash  disbursements  of the  Partnership  for
operating  expenses  (including  payment  of  all  Partnership   administration,
accounting,  professional  and  similar  expenses as  determined  by the General
Partners,  and the  Management  Fee),  for principal  payments on debt permitted
hereby,  interest,  other expenses,  including any debt  repayments  required or
elected to be made in  connection  with any  refinancing,  sale or other  event,
capital  expenditures,  payments  required  under  any  agreement  to which  the
Partnership  is a party,  including,  without  limitation,  payments  to Charter
Municipalities or Amending Charter Municipalities pursuant to an applicable long
term waste  disposal  agreement  or Waste  Disposal  Agreement,  and payments to
Bangor  Hydro  Electric  Company,  MRC and others  pursuant to the Surplus  Cash
Agreement  dated as of June 26, 1998, and (B) any increase in reserves  required
by any lender and any increase in working capital  reserves as determined in the
discretion of the General  Partners;  provided that any cash received,  expenses
incurred and  disbursements  made with respect to liquidation of the Partnership
or Net Sale or Refinancing Proceeds shall not be taken into account in computing
Net Cash Flow and further  provided that the  Indenture  Residual (as defined in
the Surplus Cash  Agreement)  shall not be taken into  account in computing  Net
Cash Flow; the Indenture  Residual to be  distributed  exclusively in accordance
with the Surplus Cash Agreement.

            1.42 Net Sale or  Refinancing  Proceeds.  "Net  Sale or  Refinancing
Proceeds"  means the net  proceeds  remaining  from any sale or  Disposition  or
taking of all or substantially  all of the  Partnership's  property  (including,
without limitation,  eminent domain or condemnation  proceeds or proceeds from a
Transfer under a threat of  condemnation  or eminent domain  proceedings,  title
insurance  proceeds and casualty  insurance  proceeds) or any refinancing of the
FAME Bonds, in either case,  after the payment of all costs and expenses related
thereto,  the payment for any capital  expenditures  or expenses  for which such
proceeds are to be used,  and the setting  aside of any  reserves as  reasonably
determined by the General Partners.

            1.43 Net Tax Losses. "Net Tax Losses" means the net losses and other
allowable deductions of the Partnership, as determined for Federal income tax
purposes.


                                       6
<PAGE>   7

            1.44 Notice. "Notice" means written notice delivered in accordance
with Section 14.3.

            1.45 Operation and Maintenance Agreement. "Operation and Maintenance
Agreement"  means the Operation and  Maintenance  Agreement dated as of June 30,
1989, and amended as of January 1, 1992 between the  Partnership  and ESOCO,  as
the same may be further amended, modified or supplemented in accordance with its
terms.

            1.46 Partners. "Partners" means the General Partners and the Limited
Partners, collectively; "Partner" refers to any one of the Partners, or its
successors or assigns.

            1.47  Partnership.  "Partnership"  means  Penobscot  Energy Recovery
Company, Limited Partnership, a Maine limited partnership,  which is the subject
of this  Partnership  Agreement,  as such  Partnership  may from time to time be
constituted.

            1.48 Partnership Act. "Partnership Act" is the Maine Uniform Limited
Partnership Act, as it may be amended from time to time.

            1.49 Partnership Capital Contribution Account. "Partnership Capital
Contribution Account" means the account maintained by the Partnership pursuant
to Section 3.10.

            1.50 Performance Credits.  "Performance Credits" means, for purposes
of this Agreement,  that portion of  Distributable  Cash payable to the Amending
Charter Municipalities under the Waste Disposal Agreements  (constituting 1/3 of
all Distributable Cash after deducting from the Amending Charter Municipalities'
share the amount of Performance  Credits payable to Charter  Municipalities  who
are not Amending Charter  Municipalities),  including without  limitation,  that
portion of the MRC Prepayment Account and the MRC Retention  Subaccount released
for the  benefit  of  Equity  Charter  Municipalities  as  provided  in the Bond
Indenture.

            1.51 Person. "'Person" means any individual, firm, corporation,
trust, partnership or other entity.

            1.52 PMC. "PMC" means PERC Management Company Limited Partnership, a
Maine limited partnership, its successors and assigns.

            1.53 Power Purchase Agreement. "Power Purchase Agreement" means the
Power Purchase Agreement dated as of June 21, 1984, between Bangor
Hydro-Electric Company and the Partnership, as amended by Amendments No. 1 and
No. 2 and as such agreement may be further amended from time to time.

            1.54 Purchase Price. "Purchase Price" means $31 million
($31,000,000).

            1.55 Purchasing Municipality. "Purchasing Municipality" means any
Amending


                                       7
<PAGE>   8

Charter  Municipality  which  exercises  its  option  under  Section  9.3 of the
Partnership Agreement to acquire, together with other Purchasing Municipalities,
all of the Partnership  interests in the  Partnership,  other than those held by
the Equity Charter Municipalities.

            1.56 Qualified Investments. "Qualified Investments" means:

            (a) any evidence of  indebtedness,  maturing not more than two years
after the date of`  purchase,  issued by the United  States of  America,  or any
instrumentality or agency thereof and guaranteed fully as to principal, interest
and premium, if any, by the United States of America;

            (b) any  certificate  of  deposit  issued  by a  commercial  banking
institution  which is a member of the  Federal  Reserve  System  and which has a
combined   capital  and  surplus  and   undivided   profits  of  not  less  than
$500,000,000;

            (c) commercial paper issued by a corporation (other than the General
Partners or any of their respective Affiliates) organized and existing under the
laws of any state within the United States of America with a rating, at the time
as of which  any  determination  thereof  is to be made,  of "P-1"  (or  higher)
according to Moody's or "A-1" (or higher) according to S&P;

            (d) any  repurchase  agreement  which by its terms matures not later
than  five  days  from its  date of  execution  with  any bank or trust  company
organized  under the laws of any state of the  United  States of  America or any
national  banking  association  (provided  such bank,  trust company or national
banking  association has a combined capital,  surplus and undivided  earnings of
not less than  $500,000,000)  any government  bond dealer  reporting to, trading
with,  and  recognized  as a primary  dealer by the Federal  Reserve Bank of New
York, which agreement is secured by any one or more of the securities  described
in clause (a) above, so long as such securities shall at all times have a market
value  (exclusive  of accrued  interest) not less than one hundred three percent
(103 percent) of the full amount of the repurchase agreement,  dates of maturity
not in excess of seven  years and shall be  delivered  to  another  state of the
United States of America or any national banking association, as custodian;

            (e) direct and general obligations of any state of the United States
of America, or any political subdivision thereof the payment of the principal of
and  interest  on which the full  faith and  credit of such  state or  political
subdivision  is  pledged,  provided  that at the  times of their  purchase  such
obligations are rated,  without giving effect to the addition of a "plus" to any
rating,  in either of the two highest  rating  categories  by S&P or Moody's and
mature not more than five years after the date of purchase;

            (f) variable rate  obligations  required to be redeemed or purchased
by the  obligor  or its agent or  designee  upon  demand of the  holder  thereof
secured as to such redemption or purchase  requirement by a liquidity  agreement
with a corporation  and as to the payment of interest and principal  either upon
maturity or redemption (other than upon demand by the holder thereof) thereof by
an  unconditional  credit facility of a corporation,  provided that the variable
rate obligations  themselves are rated, without giving effect to the addition of
a "plus" to any rating, in the highest rating categories in


                                       8
<PAGE>   9

respect  to its long term  rating,  if any,  and in  either  of the two  highest
categories in respect to its short term rating by either S&P or Moody's and that
the corporations  providing the liquidity agreement and credit facility have, at
the date of  acquisition  of the variable  rate  obligation  by the company,  an
outstanding  issued of unsecured,  uninsured and  unguaranteed  debt obligations
rated,  without  giving  effect to the  addition of a "plus" to any  rating,  in
either of the two highest rating categories by either S&P or Moody's; and

            (g) any Eurodollar certificate of deposit which by its terms matures
not later than 30 days from its date of issuance and which is issued by any bank
or trust company  organized  under the laws of any state of the United States of
America or any national banking association  (provided such bank, trust company,
or national banking  association has capital and unimpaired  surplus of not less
than $500,000,000), and

            (h) shall exclude any of the foregoing which may be issued by any of
the Charter Municipalities.

            1.57 Qualifying Facility.  "Qualifying Facility" means a small power
production  or  cogeneration  facility that is a qualifying  facility  under the
Public  Utility  Regulatory  Policies  Act of 1978 and  regulations  promulgated
thereunder  and is a "small  power  producer"  as such term is used in the Maine
Small Power Production Facilities Act.

            1.58 Securities Act. "Securities Act" means the Securities Act of
1933, as amended, and the regulations promulgated thereunder.

            1.59 Service. "Service" means the United States Internal Revenue
Service.

            1.60 S&P. "S&P" means Standard and Poor's Rating Services a division
of McGraw Hill.

            1.61 Substitute Limited Partner. "Substitute Limited Partner" means
a Person who has become a Substitute Limited Partner pursuant to Section 10.4 of
this Agreement.

            1.62 Surplus Cash  Agreement.  "Surplus  Cash  Agreement"  means the
agreement among the Partnership, Bangor Hydro-Electric Company and the MRC dated
June 26,  1998,  as the same may be amended from time to time,  which  agreement
describes the  understandings of the parties relative to the application of cash
to be released from the Bond Indenture by the Trustee.

            1.63 Tax Return. "Tax Return" means the annual Federal income tax
return of the Partnership, whether on Form 1065 or such other form as may
hereafter be prescribed by the Service.

            1.64 Town. "Town" means the Town of Orrington, Maine.

            1.65 Transfer. "Transfer" means a sale, transfer, assignment,
hypothecation, or other disposition of an interest in the Partnership.


                                       9
<PAGE>   10

            1.66 Transferee. "Transferee" means a purchaser, transferee,
assignee or pledgee of, or Person who takes an interest by means of
hypothecation in, a Partnership interest.

            1.67 Transferor. "Transferor" means a seller, assignor or
hypothecator of a Partnership interest.

            1.68 Waste Disposal Agreement. "Waste Disposal Agreement" means each
Second  Amended,  Restated and Extended  Waste  Disposal  Agreement  between the
Partnership and an Amending Charter Municipality as the same may be entered into
and amended from time to time.

                  ARTICLE 2. THE PARTNERSHIP AND ITS BUSINESS.

            2.1  Continuation.   The  Partners  hereby  agree  to  continue  the
Partnership   under  the  laws  of  the  State  of  Maine.  The  Equity  Charter
Municipalities  may be, and hereby are,  admitted to the  Partnership as Limited
Partners.  A General  Partner  shall take or cause to be taken all such  further
actions  as  are  appropriate  for  the  Partnership's   continuance  under  the
Partnership Act, including any required filings with the Office of the Secretary
of State of the State of Maine.

            2.2 Name of Partnership. The name of the Partnership shall continue
to be "Penobscot Energy Recovery Company, Limited Partnership." The Partnership
may use the assumed name "Penobscot Energy Recovery Company, L.P."

            2.3 Address of Partnership.  The address of the Partnership shall be
110 Main Street,  Suite 1308,  Saco,  Maine,  04072,  or such other  location as
determined by the General Partners.

            2.4 Purpose.  The sole purpose of the  Partnership  shall be to own,
maintain,  enhance and operate the Facility,  and to undertake any and all other
acts and things necessary,  proper,  convenient,  or advisable to effectuate and
carry out such purpose.

            2.5 Term. The term of the Partnership  shall continue until December
31, 2018,  unless the  Partnership is sooner  dissolved as herein provided or by
operation of law.

            2.6 Place of Business. The principal office and place of business of
the Partnership shall be at 29 Industrial Way, Orrington, Maine. The Partnership
may also  maintain  such  other  offices  at such  other  places as the  General
Partners may deem advisable.

            2.7 Addresses of the Partners.

                       PERC Management Company Limited Partnership
                       110 Main Street
                       Suite 1308
                       Saco, Maine 04072


                                       10
<PAGE>   11

                       Energy National, Inc.
                       1221 Nicollet Mall
                       Suite 700
                       Minneapolis, MN 55403-2445

                          Equity Charter Municipalities
                      c/o Municipal Review Committee, Inc.
                      Eastern Maine Development Corporation
                       One Cumberland Place
                       Bangor, ME 04401

                       ARTICLE 3. INVESTMENT OBLIGATIONS.

            3.1 Additional Capital Contributions of PMC and ENI. Neither PMC nor
ENI is required to make any additional Capital Contributions to the Partnership.

            3.2 (a) Equity  Charter  Municipalities.  Pursuant to their purchase
rights  set  forth  in their  Waste  Disposal  Agreements,  the  Equity  Charter
Municipalities have the right, exercisable in the sole discretion of the MRC, to
make  Capital   Contributions   to  the  Partnership  by  application  of  their
Performance  Credits,  in an  aggregate  amount  not to exceed $31  million,  in
exchange  for  which  they  shall be  allocated  limited  partnership  interests
sufficient to provide them (on a fully  subscribed  basis) with a 5/9th interest
as Limited Partners in the Partnership constituting an aggregate 50% interest in
the total capital and profits of the  Partnership.  The Partnership is obligated
to use the proceeds of all such  Performance  Credits as directed by the MRC and
in accordance with the Surplus Cash Agreement to prepay,  purchase and cancel or
defease, or otherwise retire the FAME Bonds or other Partnership borrowings.

                  (b) Manner of Exercise. Equity Charter Municipalities,  acting
through the MRC, may exercise their purchase rights no more frequently than once
per Calendar Quarter (as defined in the Bond Indenture) by delivering  notice of
exercise to the Managing General  Partner.  The amount to be applied toward such
purchases, and the timing of such purchases, shall be determined as follows:

                  (i)   with  respect to  transfers  to the  Special  Redemption
                        Account   under   Section   7(a)  of  the  Surplus  Cash
                        Agreement, the purchase amount shall equal the amount so
                        transferred to the Special Redemption Account, effective
                           as of the date of transfer;

                  (ii)  with respect to the purchase and cancellation of Bonds
                        under Section 7(b)(I) of the Surplus Cash Agreement, the
                        defeasance of Bonds under Section 7(b)(ii) of the
                        Surplus Cash Agreement or the optional redemption of
                        Bonds under Section 7(b)(iii) of the Surplus Cash
                        Agreement, the purchase amount shall equal the principal
                        amount of the Bonds so purchased and canceled, defeased
                        and discharged or redeemed, effective as of the date of
                        cancellation, discharge or


                                       11
<PAGE>   12

                        redemption, as applicable.

            Each such effective date is a "Bond Prepayment Date" hereunder. If a
cancellation  after  purchase,   and  redemption  and/or  defeasance  occurs  on
different dates in the same calendar quarter, for purposes of the effective date
of the allocation of limited partnership interests acquired, the Bond Prepayment
Date shall be the later of such dates.  On or before such Bond  Prepayment  Date
MRC shall deliver to the Partnership the MRC Allocation Certification specifying
the respective  ownership  interest of the Equity Charter  Municipalities  as of
that Date.

            3.3 Additional Capital Contributions. Except as provided in this
Article 3 and Section 12.3, Partners shall not be required to make any
additional Capital Contributions or loans to the Partnership.

            3.4 No Interest on Capital. No interest shall be paid to any Partner
on all or a portion of a Capital Contribution or on a balance in its Capital
Account.

            3.5 Capital  Withdrawals  and Returns.  Partners  shall not have the
right  to  withdraw  or  reduce  their  contributions  to  the  capital  of  the
Partnership  except in  accordance  with  this  Agreement.  Except as  otherwise
provided  herein,  Partners  shall  not have  the  right to  demand  or  receive
property,  other than cash,  in return for their  Capital  Contribution  or have
priority  over  another  Partner,  either as to the  return of  contribution  of
capital or as to profits, losses, or distributions, or as to compensation by way
of income.

            3.6 Waiver of Partition Right. The Partners hereby waive and forfeit
all rights arising out of statute or operation of law to seek, bring or maintain
in any court an action for partition pertaining to any asset of the Partnership.

            3.7 Capital  Accounts.  A Capital  Account shall be maintained  with
respect to each  Partner  in  accordance  with  Federal  income  tax  accounting
principles and Treasury  Regulation  Section  1.704-1(b).  Each Capital  Account
shall be credited with the amount of the cash contribution to the capital of the
Partnership  by such Partner,  the fair market value of property  contributed to
the Partnership by such Partner (net of liabilities assumed with respect to such
interest and  liabilities to which such  contributed  property is subject),  the
distributive  share  of  partnership  income  and  gain (or  items  thereof)  as
allocated to such Partner pursuant to Section 4.1, and the distributive share of
income exempt from tax. Each Capital  Account shall be charged for the amount of
any loss or deduction (or items thereof)  allocated to such Partner  pursuant to
Section 4.1, the amount of all distributions in cash to such Partner pursuant to
this  Agreement,  the fair market value of property  distributed to such Partner
(net of  liabilities  assumed with respect to such interest and  liabilities  to
which such  distributed  property is  subject),  and the  distributive  share of
expenditures  of the Partnership  described in Section  705(a)(2)(B) of the Code
(which share shall be determined in accordance  with the allocable  interests in
the  Partnership).  The  following  rules  shall  apply in  maintaining  Capital
Accounts with respect to interests in the Partnership:


                                       12
<PAGE>   13

            (a) A Partner  who has more  than one  interest  in the  Partnership
shall have a single Capital Account that reflects all such interests, regardless
of the class of interests  owned by such Partner (e.g.,  general or limited) and
regardless of the time or manner in which such interests were acquired.

            (b) For purposes of this Section,  amounts  described in Section 709
of the Code (other than  amounts  with respect to which an election is in effect
under  Section  709(b) of the Code)  shall be  treated as  described  in Section
705(a)(2)(B) of the Code.

            (c) If property is distributed by the Partnership,  Capital Accounts
shall be  adjusted  as though  such  property  had been sold on the date of such
distribution  for its then fair market value,  and any gain or loss on such sale
had been allocated in accordance with Section 4.1.

            (d) If property is contributed to the Partnership,  Capital Accounts
shall   be   adjusted   in   accordance   with   Treasury   Regulation   Section
1.704-1(b)(2)(iv)(d)(3).

            (e) Capital Accounts shall be adjusted,  in accordance with Treasury
Regulation Section 1.704-1(b)(2)(iv)(j), to reflect any adjustments to the basis
of Partnership property under Section 48(q) of the Code.

            (f) if,  in any  taxable  year,  the  Partnership  has in  effect an
election  under Section 754 of the Code,  Capital  Accounts shall be adjusted in
accordance with Treasury Regulation Section 1.704-1(b)(2)(iv)(m).

            3.8 Capital  Contribution  Account. A Capital  Contribution  Account
shall be  maintained  with  respect to each  Partner.  The Capital  Contribution
Account shall be credited with the amount of the Capital Contributions each made
by each Partner .

            3.9 Partnership Capital Contribution  Account. A Partnership Capital
Contribution  Account shall be maintained  with respect to the  Partnership as a
whole. The Partnership Capital  Contribution  Account shall be credited with the
amount of all Capital  Contributions  made by all  Partners.  The balance in the
Partnership  Capital  Contribution  Account at any time shall reflect the sum of
the  balances  reflected in the separate  Capital  Contribution  Accounts of the
Partners.

            3.10  Optional  Loans from  General  Partners  and  Affiliates.  The
Partnership  may borrow  funds from the General  Partners  or their  Affiliates,
provided  that no General  Partner or Affiliate  shall be obligated to make such
loans.  Any  such  loans  ("General  Partner  Loans")  shall be on terms no less
favorable  to  the  Partnership  than  would  be  reasonably  available  to  the
Partnership  from non  affiliated  commercial  lenders.  To the  extent  General
Partner Loans have not been repaid prior to the  determination  of Distributable
Cash,  General  Partner Loans shall be repaid as a priority in  accordance  with
Section 5.1.


                                       13
<PAGE>   14

                         ARTICLE 4. PROFITS AND LOSSES.

            4.1 Allocation of Profits and Losses.

            (a) General Rule. (i) All Partnership  items of income,  gain, loss,
deduction or credit  (including  without  limitation  investment tax credits and
accelerated  cost  recovery  deductions),  other than those  profits  and losses
arising  from  Capital  Transactions,  as  determined  for  Federal  income  tax
purposes, shall be allocated in the same proportion as the Partners share in Net
Cash Flow for the period under Section 5.1(c).

            (ii) Notwithstanding the foregoing, in no event shall a loss for any
year be  allocated  to a  Limited  Partner  to the  extent  it would  cause  the
aggregate  negative  Capital  Accounts of the Limited  Partners  having negative
Capital  Accounts (such  aggregate to be stated as a positive  number) to exceed
the sum of  Minimum  Gain on the last day of such  year.  For  purposes  of this
subparagraph  (ii),  the  Capital  Accounts  of ENI and PMC  shall be  deemed to
include only those  adjustments  made with respect to ENI or PMC in its capacity
as a Limited Partners.

            (iii)   Notwithstanding   the  foregoing,   except  as  provided  in
subparagraph  (ii) above,  in the event any Equity  Charter  Municipality,  as a
Limited  Partner,   unexpectedly   receives  any  adjustments,   allocations  or
distributions      described      in     Treasury      Regulations      Sections
1.704-1(b)(2)(ii)(d)(4),  (5) or (6), then items of Partnership  income and gain
shall be specially  allocated  to such  Limited  Partner in an amount and manner
sufficient  to eliminate as quickly as possible  the  Adjusted  Deficit  Capital
Account  Balance  in such  Limited  Partner's  Capital  Account  created by such
adjustments,  allocations, or distributions. Any special allocations of items of
income or gain  pursuant  to this  subsection  shall be taken  into  account  in
computing subsequent  allocations of other net profits, net losses and all other
items  allocated to the Limited  Partner  pursuant to Article 4.1 shall,  to the
extent  possible,  be equal to the net amount that would have been  allocated to
the Limited  Partner  pursuant to the  provisions  of this  Article 4.1 had such
unexpected  adjustments,  allocations or distributions  not occurred.  "Adjusted
Deficit Capital Account  Balance" shall mean the deficit Capital Account balance
of a Limited  Partner,  if any, as of the end of the relevant fiscal year of the
Partnership,  after giving effect to the  following:  (A) credit to such Capital
Account any amounts the Limited Partner is obligated to restore  pursuant to the
penultimate sentence of Treasury Regulations Section  1.704-1(b)(4)(iv)(f),  and
(B) debit to such Capital  Account the items  described in Treasury  Regulations
Sections 1.704-1(b)(2)(ii)(d)(4), (5) and (6).

            (iv) Except as provided in subparagraph  (ii) above, in the event an
Equity  Charter  Municipality,  as a Limited  Partner,  has an Adjusted  Deficit
Balance Capital  Account at the end of any  Partnership  fiscal year which is in
excess of the sum of (A) the amount such Limited Partner is obligated to restore
pursuant to any  provision  of this  Agreement  and (B) the amount such  Limited
Partner  is  deemed to be  obligated  to  restore  pursuant  to the  penultimate
sentence of Treasury  Regulations  Section  1.704-1(b)(4)(iv)(f),  such  Limited
Partner shall be specially allocated items of Partnership income and gain in the
amount of such excess as quickly as possible.


                                       14
<PAGE>   15

            (b)  Capital  Transactions.   (i)  Any  net  gain  realized  by  the
Partnership  arising from a Capital  Transaction  shall be  allocated  among the
Partners and credited to their  Capital  Accounts  (after  crediting or charging
thereto  the  appropriate  portion  of all  net  profits  or net  losses  of the
Partnership  for the current year in  accordance  with Section  4.1(a) and after
distributing all amounts to be distributed to the Partners pursuant to Article 5
hereof  (including  the Net Proceeds of Sale or  Refinancing  arising out of the
Capital  Transaction  giving rise to the allocation  hereunder) in the following
order of  priority  (in each case,  reflecting  in the  balance  of the  Capital
Accounts any profit or loss credited or charged, as the case may be, pursuant to
the preceding paragraph):

            First,  if the Capital Account of any Limited Partner has a negative
balance,  gain shall first be  credited  to the Capital  Accounts of the Limited
Partners  which have such  negative  balances,  in  proportion  to such negative
balances,  until such time as the Capital  Accounts of all such Limited Partners
equal zero;

            Second, if the Capital Account of any General Partner has a negative
balance,  gain shall next be  credited  to the  Capital  Accounts of the General
Partners  which have such  negative  balances,  in  proportion  to such negative
balances,  until such time as the Capital  Accounts of all such General Partners
equal zero; and

            Third,  any remaining gain shall be allocated to the Partners in the
proportion in which they share distributions of Net Cash Flow for the applicable
period under Section 5.1(c).

            (ii) Net losses  incurred by the  Partnership  arising  from Capital
Transactions  shall be charged to the Capital  Accounts of the  Partners  (after
crediting or charging thereto the appropriate  portion of all net profits or net
losses of the Partnership for the current year in accordance with Section 4.1(a)
and after  distributing  all amounts to be distributed for such year pursuant to
Article 5) in the following order of priority:

            First, loss shall be charged to the Capital Accounts of the Partners
in  proportion  to and to the extent of the  positive  Capital  Accounts  of the
Partners; and

            Second,  the balance of any loss shall be charged in the  proportion
in which  profits  and losses are  allocated  for the  applicable  period  under
subparagraph  (i)  paragraph  (a)  above  without  regard to  subparagraph  (ii)
thereof.

            4.2  Restoration  of  Negative  Capital  Accounts.  Except as may be
required by Section 12.3, or in respect of any negative balance resulting from a
distribution in contravention  of this Agreement,  at no time during the term of
the Partnership  shall a Partner with a negative  balance in its Capital Account
have any  obligation to the  Partnership  or to another  Partner to restore such
negative balance.

            4.3 Partnership Adjustments. In the event of the Transfer of all or
any part of the Partnership interest of a Partner or upon the death of a Partner
(if such Partner is a natural person), the Partnership may elect to adjust the
basis of Partnership property. Any increase or decrease in the


                                       15
<PAGE>   16

amount of any item of income, gain, loss, deduction or credit attributable to an
adjustment to the basis of Partnership  assets made pursuant to a valid election
under  Sections  734,  743 and 754 of the Code,  and  pursuant to  corresponding
provisions  of applicable  state and local income tax laws,  shall be charged or
credited,  as the case may be, to those  Partners  entitled  thereto  under such
laws.

            4.4  Allocations  to  Transferred  Partnership  Interests.  Profits,
losses,  gains,  deductions  and credits  allocated  to a  Partnership  interest
assigned or reissued  during a Fiscal Year shall be allocated to each Person who
was  the  holder  of the  Partnership  interest  during  such  Fiscal  Year,  in
proportion  to the number of days that each such  holder was  recognized  as the
owner of such Partnership  interest during such Fiscal Year or during an interim
period in respect of which the books of the Partnership  shall be closed, as the
case may be,  or in any  other  manner  required  or  permitted  by the Code and
selected by the General  Partners in  accordance  with this  Agreement,  without
regard to the results of Partnership operations or the date, amount or recipient
of any  distributions  which may have been made with respect to such Partnership
interest.  The effective date of the  assignment  shall be (a), in the case of a
voluntary assignment, the actual date the assignment as recorded on the books of
the Partnership,  or (b) in the case of involuntary assignment,  the date of the
operative event.

            ARTICLE 5. DISTRIBUTIONS.

            5.1 Net Cash Flow. Subject to compliance with each applicable Waste
Disposal Agreement and the Surplus Cash Agreement, the Partnership shall
distribute its Net Cash Flow quarterly as follows:

            (a) First, to repay General Partner Loans in accordance with their
terms;

            (b) Second,  until the  Capitalized  Management Fee has been paid in
full,  ten  percent  (10%)  to  the  General  Partners  to pay  the  Capitalized
Management Fee; and

            (c) Third,  the balance ten percent (10%) to the General Partners in
accordance  with the GP Sharing  Ratios and ninety  percent (90%) to the Limited
Partners in accordance with the LP Sharing Ratios.

            Upon delivery of the  Partnership's  annual audit, the allocation of
Net Cash Flow for the year covered by the audit shall be adjusted to accord with
the audit,  and consistent with the audit,  allocations  among Partners shall be
prorated  for such year on a daily  basis.  Any credits or debits due to or from
any Partner with  respect to such annual  period shall be applied or credited to
the next  distribution of Net Cash Flow,  until an equalization  for the audited
year  has  been  fully   implemented.   Allocations   to  the   Equity   Charter
Municipalities  shall be in accordance with the MRC Allocation  Certification in
effect as of each Bond Prepayment Date.

            5.2  Net  Sale  or  Refinancing  Proceeds.   The  Partnership  shall
distribute Net Sale or Refinancing  Proceeds within 120 days of the event giving
rise to such proceeds in the following manner:


                                       16
<PAGE>   17

            First,  to  those  Partners  having  positive  Capital  Accounts  in
proportion to such accounts until such accounts have been reduced to zero; and

            Second,  to all  Partners in the same manner as it  distributes  Net
Cash Flow of the applicable period under Section 5.1.

            5.3 Distributions in Kind. Partners shall not be entitled to receive
as  distributions  from the Partnership any Partnership  asset other than money.
The General Partners shall not be permitted to distribute  assets to the Limited
Partners in kind.

            5.4 Distribution Restrictions.  The Partners acknowledge and consent
to the  provisions  of the FAME  Bonds and other  Partnership  borrowings  which
restrict distributions to Partners and agree to abide by such restrictions.

          Article 6. POWERS, RIGHTS AND DUTIES OF THE GENERAL PARTNERS.

            6.1 Management Authority.

            (a) Establishment of Management  Committees.  As soon as practicable
following the date hereof,  the General  Partners shall establish the Management
Committee,  which shall have the full authority and  discretion  with respect to
the management of the  Partnership's  business,  except as provided in paragraph
(d), (e) and (h) below or as delegated to the Managing  General Partner pursuant
to written policies and directives  adopted by the Management  Committee.  Until
the establishment of the Management  Committee,  the General Partners shall have
full  authority and discretion  with respect to management of the  Partnership's
business and thereafter shall have the authority set forth herein.

            (b) Composition of Management  Committee.  The Management  Committee
shall  consist of two  members,  one  member  appointed  by each of the  General
Partners,  who shall not be entitled to receive any fee, wage or salary from the
Partnership for such services, except that the Partnership may reimburse members
of the Management  Committee for reasonable expenses incurred in connection with
performing Management Committee duties. The Management Committee shall meet from
time to time upon five days  notice  from  either  member to the other.  A prior
agenda shall be submitted for each meeting,  if convenient,  and minutes of each
meeting  shall be kept and such  minutes  shall be signed by each  member of the
Management Committee.  A quorum at any meeting of the Management Committee shall
consist of all of the members, and a quorum shall be required for any meeting of
the  Management  Committee  to be held.  If the  meeting  is held by  telephone,
minutes  will be  prepared  and  circulated  for  signature.  Each member of the
Management  Committee  shall be deemed to hold 50 percent of the voting power of
the  Management  Committee.  Subject  to Section  6.1(e),  any  decision  of the
Management  Committee  shall be binding upon the Partners.  In the event that 50
percent of the  Management  Committee's  voting  power shall have been voted for
opposite  positions  with  respect to a  proposal  or matter  considered  by the
Management Committee, such deadlock shall constitute a defeat of the proposal or
matter under consideration.

            (c) Powers of Management Committee. Without limiting the general
powers of


                                       17
<PAGE>   18

the Management  Committee under paragraph (a) above, the Management Committee is
hereby specifically directed to:

            (i) develop a program and scope of work for each phase of the
Facility's maintenance and operation;

            (ii) approve the Partnership's  capital  requirements for each phase
of the Facility's maintenance and operation, including any capital and operating
budgets prepared by the Managing General Partner, as well as approve and execute
instruments of debt, contracts and leases and maintain bank accounts;

            (iii)  adopt  rules and  amendments  or  supplements  to such  rules
concerning  the  conduct of the  affairs  of the  Management  Committee  and the
business of the Partnership  and such other matters as the Management  Committee
shall deem  appropriate  and which are not  inconsistent  with the provisions of
this Agreement;

            (iv)  obtain  adequate  insurance  governing  the  interests  of the
parties and the Partnership and protecting and  indemnifying  all members of the
Management  Committee  and  officials  and  employees  of  the  Partnership  for
liability incurred in performing their duties;

            (v) approve any tax policy matters regarding the Partnership;

            (vi) form an audit committee and appoint auditors;

            (vii) approve general accounting methods; and

            (viii) execute and deliver such documents and  instruments as may be
necessary to effectuate the terms of this Agreement,  including, but not limited
to, all documents and instruments relating to the financing for and operation of
the Facility.

            (d)  Actions  Reserved  to General  Partners.  Any  action  taken in
compliance  with the directives of the Management  Committee shall be binding on
the Partners. Nevertheless, the following items of Partnership business shall be
presented to the General Partners for approval or rejection:

            (i)  refinancing  or  replacement  of any mortgage or other security
interest related in any way to the Partnership's  property, and the repayment in
whole  or  in  part,  refinancing,  recasting,  modification,  consolidation  or
extension of the terms of any indebtedness  owed by the Partnership or affecting
all or a portion of any Partnership property;

            (ii) the reduction of, or proposed addition to, Partnership capital;

            (iii) the acquisition or disposition of significant assets of the
Partnership other than in the ordinary course of business;


                                       18
<PAGE>   19

            (iv) the expansion or contraction of the Partnership or its
business;

            (v) the addition of new Partners (except as provided herein, Charter
Municipalities) or the Transfer of Partnership interests;

            (vi)  contracting  with or terminating  any  organization  providing
day-to-day  management  services  or  other  services  to the  Partnership  on a
contract or other regular basis;

            (vii)  the  creation,  renegotiation  or  renewal  of  major  leases
relating to significant  property  utilized in connection with the operations of
the Partnership;

            (viii) the approval of terms and conditions of any agreement for
management of the Facility;

            (ix) the approval of all budgets; and

            (x)  approval  of  the  terms  and  conditions  of any  contract  or
agreement  pursuant to which the Partnership would expend or receive $100,000 or
more in any Fiscal Year.

            (e) Right to Reverse  Action.  The General  Partners  shall have the
right to review  and  reverse  any  decision  made or action  authorized  by the
Management  Committee  in  the  manner  provided  in  this  paragraph  (e).  The
representative  of  either  General  Partner  on the  Management  Committee  may
exercise  the  right to review an  action  or  authorization  of the  Management
Committee by giving verbal notice at the meeting of the Management  Committee at
which the action or authorization  was approved that a period of time for review
of the action or authorization is desired. Within five days thereafter, the vote
of the  General  Partners  shall be taken,  and the  action or  decision  of the
Management  Committee shall be reversed if reversal is voted for by both General
Partners.

            (f) General Partner Voting.  In the event that the General  Partners
shall have voted for opposite  positions with respect to a matter  considered by
the General Partners, such deadlock shall constitute a defeat of the proposal or
matter under  consideration.  Any General Partner aggrieved by the defeat of the
proposal  or matter may bring it to  arbitration  pursuant  to Section  14.14 to
break the  deadlock.  PMC shall have one vote and ENI shall have one vote on all
matters submitted to the General Partners for vote.

            (g) Removal and  Replacement  of  Management  Committee  Members.  A
General Partner,  in its sole discretion,  may remove a member of the Management
Committee  previously  appointed by such General  Partner,  at any time and from
time to time. Each party shall have the right to fill vacancies occurring in the
positions occupied by appointees of such party.

            (h) Powers of General Partners. In furtherance of the purpose of the
Partnership as set forth in Section 2.4 of this Agreement, each of the General
Partners is hereby granted the right, power and authority to do on behalf of the
Partnership at any time before or after establishment of the


                                       19
<PAGE>   20

Management Committee, all things which, in the judgment of the General Partners,
are   necessary,   proper  or   desirable   to  carry  out  their   duties   and
responsibilities  hereunder,  including, but not limited to the following:  from
time to time to incur all  reasonable  expenditures;  to employ and dismiss from
employment any and all employees,  agents,  contractors,  brokers, attorneys and
accountants;  to create,  by grant or otherwise,  easements and  servitudes;  to
borrow  money on an  unsecured  basis;  to borrow  money in any amount  from any
Person  including the General  Partners and their  Affiliates,  on a recourse or
nonrecourse  basis, and as security  therefor to mortgage all or any part of the
Partnership's  property;  to renovate,  alter, improve,  Partnership's  property
repair, raze, replace or rebuild any building or other improvement on all or any
portion of any Partnership property which is real estate; to purchase or acquire
interests in real or personal property;  to obtain  refinancings or replacements
of any  mortgages  or  other  security  instruments  related  in any  way to any
Partnership  property,  and to  prepay in whole or in part,  refinance,  recast,
modify,  consolidate or extend any of the terms of any indebtedness  owed by the
Partnership or affecting all or any portion of any Partnership  property;  to do
any and all of the  foregoing  at such price or amount for cash,  securities  or
other property and upon such terms as the General Partners deems proper;  and to
execute,  acknowledge  and deliver any and all  contracts,  agreements  or other
instruments  to effectuate  any and all of the  foregoing.  A unanimous  written
consent  authorizing  any of the  foregoing  actions  and  signed by both of the
General  Partners shall be conclusive  evidence of the exercise of the authority
set forth in this paragraph (h).

            (i)  Indemnification.  The  Partnership  shall  indemnify  and  save
harmless the members of the Management  Committee  against all actions,  claims,
demands,  costs and  liabilities  arising out of the acts, or failure to act, of
any such  members  within  the scope of the  Partnership's  business;  provided,
however,  that the same were the  result of action or  inaction  of such  person
which he, in good faith, determined was in the best interests of the Partnership
and which course of conduct did not constitute willful misconduct on the part of
such Management Committee member.

            (j) Devotion of Time; Affiliates. Each of the General Partners shall
devote such time to the Partnership  business as the General  Partners  mutually
determine is necessary to supervise the Partnership's business and affairs in an
efficient  manner;  but nothing  contained in this Agreement  shall preclude the
employment, at the expense of the Partnership, of any agent or other third party
to operate and manage all or any portion of the property, business or operations
of the Partnership,  subject to the control of the General Partners.  Subject to
Section 6.3 of this Agreement,  Affiliates of either of the General Partners may
be employed by the Partnership to perform any other services for the Partnership
as the General Partners mutually determine is necessary.

            (k) Other  Activities.  Neither of the General  Partners  shall.  be
required to manage the  Partnership as its sole and exclusive  function,  and it
may have other business interests and may engage in other activities in addition
to those relating to the  Partnership.  Neither the  Partnership nor any Partner
shall have any right by virtue of this Agreement or the Partnership relationship
created  hereby in or to such other  ventures or  activities or to the income or
proceeds derived therefrom, and the pursuit of such ventures shall not be deemed
wrongful or improper.  Partners and their  Affiliates  shall not be obligated to
present any particular  investment  opportunity to the Partnership  even if such
opportunity is of a character which, if presented to the  Partnership,  could be
taken by the Partnership,  and each of them shall have the right to take for its
own account (individually or otherwise) or to


                                       20
<PAGE>   21

recommend to others any such particular investment opportunity.

            (l)  Compliance  with FAME Bonds.  Notwithstanding  anything in this
Agreement to the contrary,  the General  Partners shall not be obligated to take
any action that is inconsistent with the terms and conditions of the FAME Bonds.

            (m) Except as  required  by law or  pursuant  to a  dissolution  and
winding up in  accordance  with this  Agreement,  in no event  shall the General
Partners have any power to sell,  exchange,  lease or otherwise  transfer all or
substantially all of the assets of the Partnership; provided, however, that this
paragraph  (m) shall  not  limit the  ability  of the  General  Partners  or the
Partnership to enter into or perform all  agreements  entered into in connection
with the FAME Bonds, or any authorized replacement financing for the FAME Bonds.

            6.2 Fiduciary Duties.  The General Partners shall have the fiduciary
duty to conduct the affairs of the Partnership for the exclusive  benefit of the
Partner ship and in accordance  with the provisions of applicable law and to use
all  Partnership  funds and  assets in the best  interests  of the  Partnership.
Except as otherwise required by the FAME Bonds or other Partnership  borrowings,
all funds of the Partnership shall be invested only in Qualified  Investments or
deposited in the name of the Partnership in separate  interest-bearing  accounts
in a  federally  insured  bank or savings  and loan  association.  The  Managing
General  Partner shall have full authority on behalf of the Partnership to adopt
such  resolutions  as may be  required  by any  such  bank or  savings  and loan
association for the operation of such account,  to make deposits and withdrawals
from such  account,  to make and  execute the  checks,  drafts,  notes and other
instruments  representing funds of the Partnership in such account,  and to take
any and all such other action as may be necessary or  appropriate  in connection
with the operation of such account.

            6.3 Business with Affiliates, Associates. The General Partners shall
not cause the  Partnership  to transact any business with the General  Partners,
collectively or individually, or an Affiliate or Associate thereof, for goods or
services in connection with the conduct of the  Partnership's  business,  except
that such  transaction  may be effected if the  transaction  is on terms no less
favorable to the Partnership than would be available in a bona fide arm's length
transaction with an unaffiliated Person.

            6.4 Compensation.  In consideration of the Management services to be
performed  by the General  Partners,  the  Partnership  shall pay to the General
Partners the  Management  Fee  (including  any accrued and unpaid portion of the
Fee) as follows:  seventy  percent (70%) to PMC and thirty percent (30%) to ENI.
Payments of the Management Fee shall be made quarterly during the remaining term
of the  Partnership.  The  Partners  acknowledge  that the  Management  Fee is a
guaranteed  payment  within  the  meaning  of  Section  707(c)  of the  Code and
furthermore  is not to be  treated  as a  distribution  under  Article 5 for any
purpose.

            6.5 Reimbursement. The Partnership shall reimburse the General
Partners for the cost of goods, materials and services used for or by the
Partnership. The General Partners shall not be reimbursed by the Partnership for
any indirect expenses incurred in performing services for the


                                       21
<PAGE>   22

Partnership,  such as officers'  salaries,  rent,  utilities and other  overhead
items. The Partnership  shall,  however,  reimburse the General Partners for (a)
out of pocket  expenses and overhead in connection  with  operating the Facility
and (b)  services  which could be  performed  directly  for the  Partnership  by
independent parties,  such as legal,  accounting,  duplicating and other similar
services. Such amounts charged to the Partnership shall not exceed the lesser of
(a) the actual  cost of such  services  to the party  providing  them or (b) the
amount which the Partnership would be required to pay to independent parties for
comparable services. Each such payment and reimbursement of expenses pursuant to
this Section 6.5 shall be made prior to any distributions under Article 5.

            6.6 Establishment of Reserves.

            (a) The Managing  General Partner shall establish such reserve funds
as may be  required  by FAME,  or upon any  authorized  refinancing  of the FAME
Bonds,  and  shall  cause to be  deposited  therein  such  amounts  as may be so
required.

            (b) Pursuant to the terms of this  Agreement,  the Managing  General
Partner may from time to time establish such reserves for the  Partnership as it
deems reasonable and necessary.

                   ARTICLE 7. REPRESENTATIONS, WARRANTIES AND
                                COVENANTS OF THE PARTNERS.

            7.1  Representations,  Warranties  and  Covenants of PMC. PMC hereby
represents and warrants to and covenants with the  Partnership  and the Partners
as follows:

                  (a)  Organization.  PMC is a duly formed and validly  existing
limited  partnership  under  the laws of the State of Maine and it is or will be
duly qualified to operate as a foreign limited partnership and to own its assets
and properties and to carry on its business in the other  jurisdictions where it
owns or leases or will own or lease such assets or  properties  or carries on or
will carry on such  business,  except where the failure to so qualify  would not
have a  material  adverse  effect on the  results  of  operations  or  financial
condition of the Partnership.

                  (b)  Authorization;  No  Conflicts.  Except  for the  possible
retained rights of Charter  Municipalities  who do not become  Amending  Charter
Municipalities, the execution, delivery and performance by PMC of this Agreement
(i) has been duly authorized by all necessary  partnership action, (ii) does not
contravene  any  material  provision  of  any  indenture,   agreement  or  other
instrument to which PMC is a party, or by which PMC or any of its properties are
bound and (iii) does not and will not  conflict  with,  result in a breach of or
constitute  (with  notice  or lapse of time or both) a  default  under  any such
indenture, agreement or other instrument.

                  (c)  Validity.   This  Agreement  has  been  duly  authorized,
executed  and  delivered  by PMC and  constitutes  the legal,  valid and binding
obligation of PMC,  enforceable against PMC in accordance with its terms, except
insofar  as  enforcement  may be  limited by  bankruptcy,  insolvency  and other
similar laws  affecting the  enforcement of creditors'  rights  generally and by
moratorium laws from time to time in effect and general equitable principles.


                                       22
<PAGE>   23

                  (d)  No  Violation  of  Law.  The   execution,   delivery  and
performance  by PMC of this Agreement does not violate any provision of any law,
rule,  regulation,   order,  writ,  judgment,  decree,  determination  or  award
presently in effect having applicability to the Partnership or PMC, except those
the  violation  of  which  would  not  have a  material  adverse  effect  on the
Partnership or PMC.

                  (e) Pending or  Threatened  Litigation.  There are no actions,
suits or proceedings pending or, to its knowledge, threatened against PMC in any
court or by or before any governmental department,  agency or instrumentality or
any  arbitrator,  in which  there is a reason  able  possibility  of an  adverse
decision which could materially and adversely  affect the business,  operations,
properties,  assets or condition (financial or otherwise) of PMC, or the ability
of PMC to perform its obligations under this Agreement.

                  (f)  Utility.  PMC is not a  utility  or a public  utility  or
subject to regulation as such, and the Facility  constitutes a "qualifying small
power production  facility" under the Public Utility Regulatory  Policies Act of
1978, as amended, and the regulations in effect thereunder.

                  (g) Taxes.  All United States  Federal  income tax returns and
all other tax returns or reports  (Federal,  state,  local or foreign) which are
required to be filed with respect to or by PMC have been filed as  required,  or
the time for filing  appropriately  extended,  and all taxes  shown to be due on
such returns or reports or pursuant to any assessment received by PMC in respect
thereof have been paid, other than assessments,  the applicability,  validity or
amount  of which is being  diligently  contested  in good  faith by  appropriate
proceedings  and as to which adequate  reserves have been set aside on the books
of PMC in  accordance  with GAAP with respect to such  assessment.  The charges,
accruals  and  reserves  on the  books  of PMC in  respect  of  taxes  or  other
governmental charges are adequate and have been made in accordance with GAAP.

                  (h)  Disclosure.  To the  best  knowledge  of PMC,  after  due
inquiry,   all   factual   information   (taken  as  a  whole)   heretofore   or
contemporaneously furnished by or on behalf of the Partnership or PMC in writing
to the Equity Charter  Municipalities  for purposes of or in connection with the
Facility was true and accurate in all material  respects on the date as of which
such  information  was dated or certified and was not  incomplete by omitting to
state any material fact  necessary to make such  information  not  misleading at
such time.

                  (i) QF Not  Impaired.  PMC's  execution  and  delivery of this
Agreement,  and its performance according to the terms hereof, shall not prevent
the Facility from being owned and operated as a Qualifying Facility.

                  (j) Net Worth. PMC's sole general partner, PERC, Inc., a
Delaware corporation, has, as of the date hereof, a net worth of not less than
$1,000,000.

                  (k) Notice of Default. PMC shall forward to the Partners a
copy of any notice received by PMC of any default under any agreement or
instrument to which the Partnership is a


                                       23
<PAGE>   24

party or by which it is bound not later than the next business day following the
receipt thereof.

                  (l) Partnership Status. PMC will not knowingly take any action
that would cause the  Partnership  to be treated for Federal income tax purposes
other than as a partnership  taxable under Subchapter K of the Code as in effect
on the date hereof.

            7.2  Representations,  Warranties  and  Covenants of ENI. ENI hereby
represents and warrants to and covenants with the  Partnership  and the Partners
as follows:

                  (a)  Organization.  ENI is a corporation duly formed,  validly
existing and in good  standing  under the laws of the State of Utah and it is or
will be duly qualified to operate as a Foreign corporation and to own its assets
and properties and to carry on its business in the other  jurisdictions where it
owns or leases or will own or lease such assets or  properties  or carries on or
will carry on such  business,  except where the failure to so qualify  would not
have a  material  adverse  effect on the  results  of  operations  or  financial
condition of Partnership.

                  (b) Authorization;  No Conflicts. The execution,  delivery and
performance  by ENI of  this  Agreement  (i) has  been  duly  authorized  by all
necessary  corporate action,  (ii) does not contravene any material provision of
any  indenture,  agreement or other  instrument  to which ENI is a party,  or by
which ENI or any of its  properties  are  bound and (iii)  does not and will not
conflict with, result in a breach of or constitute (with notice or lapse of time
or both) a default under any such indenture, agreement or other instrument.

                  (c)  Validity.   This  Agreement  has  been  duly  authorized,
executed  and  delivered  by ENI and  constitutes  the legal,  valid and binding
obligation of ENI,  enforceable against ENI in accordance with its terms, except
insofar  as  enforcement  may be  limited by  bankruptcy,  insolvency  and other
similar laws  affecting the  enforcement of creditors'  rights  generally and by
moratorium laws from time to time in effect and general equitable principles.

                  (d)  No  Violation  of  Law.  The   execution,   delivery  and
performance  by ENI of this Agreement does not violate any provision of any law,
rule,  regulation,   order,  writ,  judgment,  decree,  determination  or  award
presently in effect having applicability to the Partnership or ENI, except those
the  violation  of  which  would  not  have a  material  adverse  effect  on the
Partnership or ENI.

                  (e) Pending or  Threatened  Litigation.  There are no actions,
suits or proceedings pending or, to its knowledge, threatened against ENI in any
court or by or before any governmental department,  agency or instrumentality or
any  arbitrator,  in  which  there is a  reasonable  possibility  of an  adverse
decision which could materially and adversely  affect the business,  operations,
properties,  assets or condition (financial or otherwise) of ENI, or the ability
of ENI to perform its obligations under this Agreement.

                  (f) Utility. ENI is a wholly owned subsidiary of a public
utility and is subject to regulation as such. However, ENI's interest in the
Partnership is less than 50% and as a


                                       24
<PAGE>   25

result, the Facility  constitutes a "qualifying small power production facility"
under the Public Utility  Regulatory  Policies Act of 1978, as amended,  and the
regulations in effect thereunder.

                  (g) Taxes.  All United States  Federal  income tax returns and
all other tax returns or reports  (Federal,  state,  local or foreign) which are
required to be filed with respect to or by ENI have been filed as  required,  or
the time for filing  appropriately  extended,  and all taxes  shown to be due on
such returns or reports or pursuant to any assessment received by ENI in respect
thereof have been paid, other than assessments,  the applicability,  validity or
amount  of which is being  diligently  contested  in good  faith by  appropriate
proceedings  and as to which adequate  reserves have been set aside on the books
of ENI in  accordance  with GAAP with respect to such  assessment.  The charges,
accruals  and  reserves  on the  books  of ENI in  respect  of  taxes  or  other
governmental charges are adequate and have been made in accordance with GAAP.

                  (h)  Disclosure.  To the  best  knowledge  of ENI,  after  due
inquiry,   all   factual   information   (taken  as  a  whole)   heretofore   or
contemporaneously furnished by or on behalf of the Partnership or ENI in writing
to the Equity Charter  Municipalities  for purposes of or in connection with the
Facility was true and accurate in all material  respects on the date as of which
such  information  was dated or certified and was not  incomplete by omitting to
state any material fact  necessary to make such  information  not  misleading at
such time.

                  (i) QF Not  Impaired.  ENI's  execution  and  delivery of this
Agreement,  and its performance according to the terms hereof, shall not prevent
the Facility from being owned and operated as a Qualifying Facility.

                  (j) Net Worth. ENI has as of the date hereof a net worth of
not less than $1,750,000.

                  (k) Notice of  Default.  ENI shall  forward to the  Partners a
copy of any  notice  received  by ENI of any  default  under  any  agreement  or
instrument to which the Partnership is a party or by which it is bound.

                  (l) Partnership Status. ENI will not knowingly take any action
that would cause the  Partnership  to be treated for Federal income tax purposes
other than as a partnership  taxable under Subchapter K of the Code as in effect
on the date hereof.

            7.3  Representations,  Warranties  and  Covenants of Equity  Charter
Municipalities.  Upon Equity Charter  Municipalities  becoming Limited Partners,
the MRC on behalf of the Equity Charter  Municipalities will represent,  warrant
and covenant with the Partnership and the Partners as follows:

                  (a) Authorization.  The execution, delivery and performance by
MRC on behalf of the Equity  Charter  Municipalities  of this  Agreement (i) has
been duly  authorized by all necessary  public or private  action of such Equity
Charter  Municipality  (ii) does not  contravene  any material  provision of any
agreement or other instrument to which such Equity Charter Municipality is a


                                       25
<PAGE>   26

party or by which such Equity Charter  Municipality or any of its properties are
bound and (iii) does not and will not conflict  with,  result in a breach of, or
constitute  (with lapse or notice of time or both) a default under any agreement
or other instrument binding on such Equity Charter Municipality.

                  (b) Validity.  This Agreement has been duly authorized by each
Equity Charter  Municipality and duly executed and delivered by MRC on behalf of
each of the Equity Charter  Municipalities  and constitutes the legal, valid and
binding obligation of each Equity Charter Municipality, enforceable against each
Equity  Charter  Municipality  in accordance  with its terms,  except insofar as
enforcement  may be limited by  bankruptcy,  insolvency  and other  similar laws
affecting the enforcement of creditors'  rights generally and by moratorium laws
from time to time in effect and general equity principles.

                  (c)  No  Violation  of  Law.  The   execution,   delivery  and
performance  by MRC on behalf of each of the Equity  Charter  Municipalities  of
this  Agreement  does not violate any  provision of any law,  rule,  regulation,
order, writ, judgment, decree, determination or award presently in effect having
applicability  to the Partnership or Equity Charter  Municipality,  except those
the  violation  of  which  would  not  have a  material  adverse  effect  on the
Partnership or such Equity Charter Municipality.

                           ARTICLE 8. INDEMNIFICATION.

            8.1 Indemnity for Acts and Omissions.

                  (a) Each of the General Partners shall be indemnified and held
harmless by the  Partnership  from and against any and all reasonable  attorneys
fees, claims, demands, liabilities,  costs, damages and causes of action arising
out of or incidental to its management or  administration  of the affairs of the
Partnership;  provided,  however,  that the same  were the  result  of action or
inaction of such General Partner which it, in good faith,  determined was in the
best interests of the Partnership and which course of conduct did not constitute
gross  negligence or willful  misconduct on the part of such General  Partner or
breach of any representation, warranty or covenant of such General Partner under
Article 7; provided further,  however,  that all claims for indemnification made
by the General  Partners under this paragraph (a) shall be made only against and
shall be limited to the assets of the  Partnership  and a General  Partner shall
have no recourse against the other Partners with respect to such claims.

                  (b) Each of the Limited Partners shall be indemnified and held
harmless by the Partnership  from and against any and all reasonable  attorneys'
fees,  claims,  demands,  liabilities  and costs,  damages  and causes of action
arising  out of or  incidental  to the  affairs  of the  Partnership,  provided,
however,  that the same were the result of action or  inaction  of such  Limited
Partner  which it, in good faith,  determined  was in the best  interests of the
Partnership and which course of conduct did not constitute  gross  negligence or
willful  misconduct  on the part of such Limited  Partner a breach of any of its
representations,  warranties  or  covenants  or those made on its  behalf  under
Article 7; provided further,  however,  that all claims for indemnification made
by the Limited  Partners under this paragraph (b) shall be made only against and
shall be limited to the assets of the Partnership and the Limited Partners shall
have no recourse against the General Partners with respect to such claims.


                                       26
<PAGE>   27

                  (c)  Indemnifications  authorized under this Section 8.1 shall
include  payment of reasonable  attorneys'  fees or other  expenses  incurred in
connection with settlement or in any legal proceeding, claims or demands and the
removal  of  any  liens   affecting  any  property  of  the   indemnitee.   Such
indemnification  rights shall be cumulative  of, and in addition to, any and all
rights,  remedies and recourses to which a Partner or the  Partnership  shall be
entitled, whether or not pursuant to the provisions of this Agreement, at law or
in equity.  Payment  obligations of the Partnership under this Section 8.1 shall
be junior in right of  payment to the prior  payment in full of all  obligations
under the FAME Bonds.

            ARTICLE 9. RIGHTS AND OBLIGATIONS OF THE LIMITED PARTNERS AND 2018
                       PURCHASE OPTION.

            9.1 No Control by the Limited  Partners.  The Limited  Partners,  in
their  capacity as Limited  Partners,  shall not take part in the control of and
shall not take part in the  management of the  Partnership's  business and shall
have no right or authority to act for or to bind the Partnership.

            9.2  Limitation on Liability.  Except as required by Article 3 or by
Section 12.3, a Limited Partner shall not have any liability to contribute money
to the  Partnership,  shall not be personally  liable for any obligations of the
Partnership,  and  shall  not be  obligated  to make  loans to the  Partnership.
Nothing  else set forth in this  Agreement,  in any other  document  and nothing
arising from any transaction  contemplated  by any of the foregoing  agreements,
shall in any way remove, diminish or affect this limitation of liability.

            9.3  2018  Purchase  Option.   Commencing  on  March  31,  2018  and
terminating on December 31, 2018, the Amending  Charter  Municipalities,  or any
one or more of  Amending  Charter  Municipalities  (provided  they  continue  as
parties to Waste Disposal  Agreements with the Partnership as of that date) have
the right to elect to purchase  all of the  interests in the  Partnership  other
than those  already  owed by the Equity  Charter  Municipalities  for a purchase
price equal to the then fair market value of such  interests.  Upon  exercise of
this  option,  (which  shall  be by  written  notice  to  the  Partnership)  the
Purchasing  Municipalities  shall, within 60 days after such notice,  deliver to
the Partnership the full amount of the purchase price and the Partnership shall,
in  turn,  use the  entire  purchase  price  to  redeem  all of the  Partnership
interests (both general and limited partnership  interests) of the then existing
Partners,  excluding Equity Charter  Municipalities.  Upon the effective date of
such redemption,  (i)  notwithstanding  any restrictions under Article 11 of the
Partnership  Agreement,  the existing  General  Partners shall withdraw from the
Partnership, (ii) MRC, or another person designated by MRC, shall be admitted to
the Partnership as the  Partnership's new sole General Partner on such terms and
conditions as the MRC deems appropriate in its sole discretion, (iii) the Equity
Charter  Municipalities  shall remain Limited Partners of the  Partnership,  and
(iv) the Purchasing  Municipalities shall be admitted as Limited Partners of the
Partnership,  with such  proportionate  interests as the MRC shall  determine is
fair and equitable.

            For purposes of the foregoing, fair market value shall be determined
of  as  follows:   On  or  before   February  1,  2018,  the  Amending   Charter
Municipalities (as a group) and the General Partners


                                       27
<PAGE>   28

(as a group)  shall  each  select  an  investment  bank or  otherwise  qualified
appraiser to appraise the Partnership  interests held by all Partners other than
the Equity  Charter  Municipalities.  Each  appraiser  selected shall submit its
written appraisal within thirty days of its selection. If the two appraisals are
within ten percent of each other,  the fair market value for the interest  shall
be the  average of the two  values.  If the two  values  differ by more than ten
percent,  the two appraisers  selected shall jointly appoint a third  appraiser,
such  appointment to be made no later than March 15, 2018.  The third  appraiser
shall determine which of the first appraisals more accurately  reflects the fair
market value of the  interests to be redeemed  and that  appraisal  shall be the
fair market value of the interests and shall be binding on the General  Partners
and the Amending Charter Municipalities for all purposes under this section.

            If the purchase  option is not  exercised  by the  Amending  Charter
Municipalities within the period specified, the option shall terminate and be of
no further force and effect.  Each of the Partners agrees to execute and deliver
any and all documents  reasonably deemed necessary or appropriate to give effect
to any exercise of this purchase option.  The distribution by the Partnership to
the then existing Partners in redemption of their Partnership interests shall be
made  to  the  terminating  Partners  in  accordance  with  Section  5.2  of the
Partnership  Agreement  as if the  distributions  were  proceeds  from a sale or
refinancing.

             ARTICLE 10. TRANSFER OF LIMITED PARTNERSHIP INTERESTS.

            10.1 Prohibited Transfers.  The Limited Partners may not Transfer or
otherwise  encumber their interest in the Partnership or any part thereof in any
way whatsoever  except as permitted in this Article 10, and any such Transfer or
encumbrance  in  violation  of this Article 10 shall be null and void as against
the Partnership, except as otherwise provided by law.

            10.2 Permitted Transfers by Limited Partners.  Subject to compliance
with the  FAME  Bonds,  ENI and PMC may  transfer  their  interests  as  Limited
Partners at any time.  An Equity  Charter  Municipality  may transfer all or any
part of its interest in the  Partnership  (but only if the Transferor  shall not
then be in material default under this Agreement), provided that:

            (a) Any  Transferee  shall take such interest  subject to the terms,
provisions and conditions of this Agreement and shall acknowledge its acceptance
of this  Agreement by executing  and  delivering  to the  remaining  Partners an
instrument in form satisfactory to said Partners whereby such Transferee assumes
and agrees to be bound by all the terms, provisions and conditions hereof and to
become, in the place of the transferring Equity Charter Municipality,  a Partner
for  all  purposes  herein  (although  in  connection  with  such   transferee's
assumption of obligations  hereunder,  such Transferee  shall be entitled to the
benefit of any limitation upon the liability of the Transferor hereunder).

            (b) Such Transfer must be for cash  consideration,  and all costs to
the Partnership of such Transfer shall be paid by the Transferee or Transferor.

            (c) Each of the General Partners shall have Consented to the
Transfer which Consent any such Partner may grant or withhold in its sole
discretion. The Partners acknowledge that it


                                       28
<PAGE>   29

is the General  Partners'  intent that they will not consent to the  transfer of
any Limited Partnership  interest held by an Equity Charter  Municipality unless
the transfer is to another Equity Charter Municipality.

            10.3 Right of First Refusal.  Before  consummating a Transfer of its
interest in the  Partnership  in a transaction  otherwise  permitted  under this
Section  10.3,  an Equity  Charter  Municipality  desiring  to  consummate  such
Transfer (the  "Assigning  Limited  Partner")  shall give written  notice to the
Non-assigning  Limited Partners of the proposed transaction and shall deliver to
the  Nonassigning  Limited  Partners  with  such  notice a copy of the bona fide
written  offer from a  prospective  Transferee  (such notice from the  Assigning
Limited Partner,  together with such copy of the bona fide written offer,  being
hereinafter  collectively called  ("Partnership Offer Notice") setting forth the
name of the prospective  Transferee and all of the material terms and conditions
on which the Assigning  Limited Partner intends to Transfer such interest in the
Partnership,  and each of the  Nonassigning  Limited Partners shall then have 90
days after the giving of the  Partnership  Offer  Notice,  to elect (by giving a
notice of the same to the Assigning  Limited  Partner) to purchase such interest
of the Assigning  Limited  Partner for the purchase  price and on the same terms
and conditions as set forth in such Partnership  Offer Notice,  and in the event
any of the Nonassigning  Limited  Partners makes such election,  the transaction
shall be closed  within a period of 30 days after the  making of such  election,
with  the  time,  place  and date  (within  such  period)  as  specified  by the
Nonassigning  Limited  Partner  in the  notice  of its  election.  If any of the
Nonassigning  Limited  Partners shall fail to give notice of this  election,  or
having given notice of this election,  fails to complete the purchase,  then the
Assigning Limited Partner may Transfer such Partnership interest,  provided such
Transfer  is  otherwise  permitted  under this  Article 10, at any time or times
within  180 days  after  the  giving of such  Partnership  Offer  Notice,  for a
purchase  price and on terms and  conditions no more favorable to the Transferee
than those  contained  in the  Partnership  Offer  Notice and only to the person
identified  in the  Partnership  Offer  Notice,  and  if  such  Transfer  is not
consummated within said 180-day period, then the Nonassigning  Limited Partners'
rights to notice and to  purchase  as  aforesaid  shall  reapply to any  pending
Transfer  and  continue  with  respect  to any other  proposed  Transfer  of the
Partnership interest of the Assigning Limited Partner.

            10.4  Substitute  Limited  Partner.  If a  Transferee  of a  Limited
Partnership  interest does not become a Substitute  Limited Partner  pursuant to
this Section  10.4,  the  Partnership  shall not  recognize the Transfer and the
Transferee  shall not have any rights to require any  information  on account of
the   Partnership's   business,   inspect  the  Partnership's   books,   receive
distributions,  or vote on Partnership matters. A Transferee of the whole or any
part of a  Limited  Partnership  interest  shall  have  the  right  to  become a
Substitute  Limited  Partner  in  place  of its  Transferor  only  if all of the
following conditions are satisfied:

                  (a) a fully executed and  acknowledged  written  instrument of
assignment has been filed with the Partnership  setting forth a statement of the
intention of the  Transferor  that the  Transferee  become a Substitute  Limited
Partner in its place;

                  (b) the Transferee executes, adopts and acknowledges this
Agreement and agrees to assume all the obligations of its Transferor; and


                                       29
<PAGE>   30

                  (c) any reasonable costs to the Partnership of the Transfer
shall have been paid to the Partnership.

            10.5 Involuntary Withdrawal by the Limited Partner.

                  (a) Upon the  Bankruptcy,  dissolution  or other  cessation of
existence of a Limited  Partner which is not a natural  person,  the  authorized
representative  of such  entity  shall have all the rights of a Partner  for the
purpose of effecting the orderly  winding up and  disposition of the business of
such entity and such power as such entity  possessed to designate a successor as
a Transferee  of its  Partnership  interest and to join with such  Transferee in
making  application  to  substitute  such  Transferee  as a  Substitute  Limited
Partner.

                  (b) The death, Bankruptcy, disability or legal incapacity of a
Limited Partner shall not dissolve or terminate the Partnership.

                  ARTICLE 11. WITHDRAWAL OF A GENERAL PARTNER.

            11.1  Assignment  or  Withdrawal  by a  General  Partner.  A General
Partner may not Transfer its interest as a General Partner, in whole or in part,
or withdraw from the Partnership, except as permitted by this Article 11.

            11.2  Voluntary  Assignment  or  Withdrawal  of a  General  Partner.
Subject to compliance with the Bond Indenture, a General Partner may at any time
sell,  assign or transfer any of all of its interest as a General Partner to any
entity under common control with the selling,  assigning or transferring General
Partner or to another General Partner. In addition, upon giving 120 days' Notice
to the other General Partner (the "Remaining General Partner") and to the MRC, a
General Partner may voluntarily  withdraw from the Partnership or sell, transfer
or assign its interest to a non controlled third Person if:

                  (a) the  Person  has  agreed  to  serve as  successor  General
Partner and any Remaining General Partner shall have consented to such Person as
a successor General Partner, which consent shall not be unreasonably withheld;

                  (b) the Person has satisfied the terms and conditions set
forth in Section 11.4; and

                  (c) the  substitution  of  such  Person  will  not  cause  the
Partnership to lose its status as a limited  partnership  for Federal income tax
purposes.


                                       30
<PAGE>   31

            11.3 Removal of a General Partner.

                  (a) In the event  that a General  Partner  is  alleged to have
materially  breached this Agreement,  it will have the right to cure such breach
within 30 days of  receiving  a written  notice of the alleged  breach.  If such
breach  cannot  reasonably  be cured in such period,  it shall have such time to
commence efforts to cure and diligently  pursue such cure. If it fails to do so,
with the Consent of any Remaining  General  Partner and the MRC on behalf of the
Equity  Charter  Municipalities,  a General  Partner may be removed as a General
Partner and another Person named as General  Partner in accordance  with Section
11.4 . Any  dispute  that may  arise  regarding  such  breach  or cure  shall be
submitted to arbitration  pursuant to Section 14.14 hereof. In the event of such
dispute,  a  General  Partner  shall be  removed  only upon the  issuance  of an
arbitration decision that is final and nonappealable;provided,  however, that if
the dispute is not subject to  arbitration  pursuant to Section 14.14, a General
Partner  shall be removed only upon entry of a final,  nonappealable  order of a
court of competent jurisdiction.

                  (b) If a General Partner is removed as a General Partner,  its
Partnership  interest shall be converted to that of a Limited Partner,  it shall
receive  allocations under Article 4 and distributions  under Article 5 as if it
had remained a General  Partner,  and it shall continue to have all the benefits
of a Limited Partner,  except that it shall not participate in the management of
the  Partnership or approve its successor  General  Partner  pursuant to Section
11.4(a).  In the event a General  Partner is removed  pursuant  to this  Section
11.3,  the Remaining  General  Partner may select  another Person as a successor
General  Partner and the Consent of the General  Partner which was removed shall
not be required.

            11.4 Successor General Partner. A Person shall be admitted a
successor General Partner only if the following terms and conditions are
satisfied:

                  (a) the admission of such Person shall have been  Consented to
by any Remaining  General  Partner which  consent shall not be  unreasonably  be
withheld,

                  (b) the Person  shall have  accepted and agreed to be bound by
all the terms and  provisions  of this  Agreement  by  executing  a  counterpart
thereof  and  such  other  documents  or  instruments  as  may  be  required  or
appropriate  in order to  effect  the  admission  of such  Person  as a  General
Partner;

                  (c) a certificate evidencing the admission of such Person as a
General  Partner shall have been filed for  recordation  in accordance  with the
Partnership Act;

                  (d) if the  successor  General  Partner is a  corporation,  it
shall have  provided  counsel for the  Partnership  with a  certified  copy of a
resolution of its Board of Directors authorizing it to become a General Partner;
and

                  (e) none of the actions taken in connection with such transfer
or admission


                                       31
<PAGE>   32

will have a material adverse tax effect upon the Partnership.

            11.5 Pledge of Interest.  Nothing  contained in this Agreement shall
prohibit  any Partner  from  assigning  or pledging as  collateral  its economic
interest as a Limited or General  Partner in the  Partnership.  Any  assignee or
pledgee of such interest  shall be bound by the terms of this  Agreement and its
rights in the interest shall be subject to compliance with this Agreement.

                 ARTICLE 12. DISSOLUTION AND WINDING UP AFFAIRS.

            12.1 Dissolution.  No Partner shall cause a voluntary dissolution of
the Partnership. No act, thing, occurrence, event or circumstance shall cause or
result in the dissolution of the Partnership,  except that the Partnership shall
dissolve  and  terminate  upon  the  happening  of  any  one  of  the  following
Dissolution  Events,  unless within 30 days of any such Dissolution  Event, PMC,
ENI and MRC on behalf  of the  Equity  Charter  Municipalities  shall  decide by
written agreement to continue the business of the Partnership:

                  (a) The Bankruptcy of all of the General Partners, or the
General Partners' cessation to exist as legal entities;

                  (b)  The   determination   by  PMC,  ENI  and  MRC  (or  their
successors) that the Partnership  should be dissolved,  in accordance with state
law;

                  (c) The sale of all of the Partnership's property; or

                  (d) The expiration of the term of the Partnership pursuant to
Section 2 of this Agreement.

            12.2 Winding Up. In the event of the  dissolution of the Partnership
for any reason the Liquidator,  shall be the Remaining General Partner. However,
if the Dissolution  Event shall be the Bankruptcy of all of the General Partners
or the cessation of all of the General Partners to exist as legal entities, with
its  consent,  the MRC shall serve as the  Liquidator.  The  Liquidator  however
selected,  shall  commence  to wind up the  affairs  of the  Partnership  and to
liquidate its investments. The proceeds of such liquidation shall be applied and
distributed  as set forth in Section 12.3.  The Partners shall continue to share
profits and losses, gain or loss on sale or disposition of Partnership property,
Net Cash Flow, and Net Sale or Refinancing Proceeds during the period of winding
up in the same manner and proportion as before the  dissolution.  The Partner or
Partners  obligated  to wind up the affairs of the  Partnership  shall have full
right and unlimited  discretion to manage the business of the Partnership during
the winding up period and to determine in good faith the time,  manner and terms
of any sale or sales of Partnership property pursuant to such liquidation.

            12.3  Distributions  Upon  Dissolution  and  Termination.  After all
liabilities  and  obligations  of the  Partnership,  including  all  expenses of
liquidation,  shall have been paid or provided  for  (whether by such reserve as
the Liquidator  shall deem  appropriate  or  otherwise),  and all items of gain,
loss,  deduction and credit shall have been allocated in accordance with Article
4, and after any


                                       32
<PAGE>   33

distributions of Net Cash Flow and Net Sale or Refinancing  Proceeds pursuant to
Sections 5.1 and 5.2, any proceeds from the liquidation of the Partnership shall
be  distributed  to the  Partners  with  positive  Capital  Account  balances in
proportion to such Capital Account balances within the period as may be required
pursuant to Treasury  Regulation Section  1.704-1(b)(2)(ii)(1)(1).  Any Partner,
other than an Equity Charter Municipality, with a deficit in its Capital Account
following the complete distribution of the liquidation proceeds will be required
to restore the amount of such  deficit to the  Partnership  within the period as
may be required pursuant to Treasury Regulation Section 1.704-1(b)(2)(ii)(1)(1),
which amount will be paid first to creditors and the remaining balance,  if any,
will be  distributed  to the Partners in  proportion  to the  Partners'  Capital
Account balances.

                       ARTICLE 13. ACCOUNTING AND REPORTS.

            13.1 Books and Records. The General Partners shall maintain or cause
to be  maintained  at the  office  of the  Partnership  this  Agreement  and all
amendments  thereto and full and accurate books of the  Partnership  showing all
receipts and expenditures,  assets and liabilities,  profits and losses, and all
other  books,  records  and  information  required  by  the  Partnership  Act as
necessary   for   recording  the   Partnership's   business  and  affairs.   The
Partnership's  books and  records  shall be  maintained  on an accrual  basis in
accordance with GAAP.  Such documents,  books and records shall be maintained at
such  office  until five years  after the  termination  and  liquidation  of the
Partnership.  All Partners and their duly authorized  representatives shall have
the right to inspect and copy at their expense during reasonable  business hours
at the Facility all of the Partnership's books and records,  including books and
records  necessary  to enable a  Partner  to  defend  any tax  audit or  related
proceeding.

            13.2 Reports to Partners.

                  (a) Within 45 days after the end of each fiscal  quarter,  the
General Partners shall send to the Limited Partners an unaudited closing balance
sheet as of the end of such fiscal  quarter and a statement  of  operations  for
such fiscal quarter.

                  (b)  Within 45 days  after the end of the  second  and  fourth
fiscal  quarter of each year,  the  General  Partners  shall send to the Limited
Partners a written  discussion of recent  operations of the  Partnership and any
recent  developments  in the  business of the  Partnership  or other  matters of
management interest.

                  (c) By each March 1, the General Partners shall provide to the
Limited  Partners  audited  financial  statements  examined  by the  Independent
Accountant,  including the balance sheet of the Partnership as of the end of the
preceding Fiscal Year and related  statements of income,  Partners'  capital and
changes  in  financial  position  for  the  Fiscal  Year  (prepared  on a  basis
disclosing  cash flow),  accompanied by a report of the  Independent  Accountant
stating that such  financial  statements  have been prepared in accordance  with
GAAP applied on a consistent basis.

                  (d) As soon as practicable  after the end of each Fiscal Year,
the General Partners shall furnish to the Partners  reports  containing at least
the following information:


                                       33
<PAGE>   34

                        (i) by each March 1, Service Form K-1, or any similar
form as may be required by the Code or the Service; and

                        (ii) a reconciliation between the aforementioned audited
financial reports prepared by the General Partners and the basis the Partnership
uses for preparation of its Federal income tax returns.

            13.3 Annual Tax Returns.

                  (a) PMC is hereby  designated  the "Tax  Matters  Partner" for
Federal income tax purposes pursuant to section 6231 of the Code with respect to
all  taxable  years of the  Partnership  and is  authorized  to do  whatever  is
necessary to qualify as such.  PMC shall prepare or cause to be prepared all tax
and information returns required of the Partnership (including,  but not limited
to Federal,  state and local income tax and information returns),  which returns
shall be  reviewed  in advance  of filing by the  independent  Accountant.  Each
Partner  shall file its  individual or corporate  return in a manner  consistent
with the Partnership tax and information returns.

                  (b) PMC  shall  do all  acts,  make  all  elections,  and take
whatever  reasonable  steps are  required to  maximize,  in the  aggregate,  the
Federal,  state and local income tax advantages available to the Partnership and
shall  defend all tax audits and  litigation  with  respect  thereto.  PMC shall
maintain  the books,  records  and tax  returns of the  Partnership  in a manner
consistent with the acts, elections and steps taken by the Partnership.

            13.4  Action  in  Event  of  Audit.  If an IRS  audit  of any of the
Partnership's  tax returns  shall  occur,  the General  Partners  shall,  at the
expense of the Partnership,  participate in the audit and may contest, settle or
otherwise  compromise  assertions of the auditing  agent which may be adverse to
the Partnership.  The General Partners may, if they determine that the retention
of accountants and/or other  professionals would be in the best interests of the
Partnership,  retain such accountants and/or other  professionals,  to assist in
such audits (if any). The Partnership  shall indemnify and reimburse the General
Partners  for  all  expenses,  including  legal  and  accounting  fees,  claims,
liabilities,  losses and damages to the extent  borne by the  General  Partners,
incurred in  connection  with any  administrative  or judicial  proceeding  with
respect to any audit of the Partnership's  tax returns.  The payment of all such
expenses  to  which  this  indemnification  applies  shall  be made  before  any
distributions  pursuant  to Section  5.1 or 5.2 of this  Agreement.  Neither the
General  Partners  or their  Affiliates,  nor any other  Person  shall  have any
obligation to provide  funds for such purpose.  The taking of any action and the
incurrence of any expense by the General  Partners in  connection  with any such
proceeding,  except  to the  extent  required  by law,  is a matter  in the sole
discretion of the General Partners; provided, however, that the decision to take
any  action  or not to take  any  action  shall be made in  accordance  with the
General Partners'  fiduciary duty as set forth in Section 6.2 of this Agreement.
The  indemnification  set forth in  Section 8 of this  Agreement  shall be fully
applicable to PMC in its capacity as Tax Matters Partner.


                                       34
<PAGE>   35

                         ARTICLE 14. GENERAL PROVISIONS.

            14.1 Amendments. This Agreement may be amended only upon the written
consent of PMC, ENI and MRC on behalf of the Equity Charter Municipalities.

            14.2  Title  to  Partnership  Property.  All  property  owned by the
Partnership,  whether real or personal, tangible or intangible,  shall be deemed
to be owned by the Partnership as an entity, and no Partner, individually, shall
have any ownership of such property.  The Partnership may hold any of its assets
in  its  own  name  or in the  name  of  its  nominee  for  the  benefit  of the
Partnership,  which  nominee  may  be  one or  more  individuals,  corporations,
partnerships, trusts or other entities.

            14.3 Notices. (a) All notices and other  communications  required or
permitted  by this  Agreement  or by law to be  served  upon or given to a party
hereto by any other  party  hereto  shall be in writing and shall be deemed duly
served  and  given  when  received  after  being  delivered  by  hand or sent by
registered  or  certified  mail,  return  receipt  requested,   postage  prepaid
addressed as follows:

      If to PMC:                                With a Copy to:

PERC Management Company Limited Partnership     Bernstein, Shur, Sawyer & Nelson
110 Main Street                                 100 Middle Street
Suite 1308                                      P.O. Box 9729
Saco, Maine 04072                               Portland, Maine 04112-5029
Telecopier: 201-854-1771                        ATTN: Gordon F. Grimes
Telecopier: 201-774 -1127

With such copy not to constitute notice.

If to ENI:                                      With a Copy to:

Energy National, Inc.                           NRG Energy, Inc.
1221 Nicollet Mall                              1221 Nicollet Mall, Suite 700
Minneapolis, MN 55403-2445                      Minneapolis, MN 55403-2445
ATTN:  Stan Marks                               ATTN: Michael J. Young,
Telecopier: 612-373-5312                        Senior Counsel
                                                Telecopier: 612-373-5312


                                       35
<PAGE>   36

With such copy not to constitute notice.

      If to the Equity Charter Municipalities

With a Copy to:

(a single notice for the benefit of all
Equity Charter Municipalities):

Equity Charter Municipalities                   Eaton, Peabody, Brown & Veague
c/o Municipal Review Committee                  Fleet Center - Exchange Street
Eastern Maine Development Corporation           P.O. Box 1210
One Cumberland Place                            Bangor, ME 04402-1210
Bangor, ME 04401                                ATTN:  Thomas M. Brown, Esq.
ATTN: Greg Lounder                              Telecopier: 207-942-3040
Telecopier: 207-942-3548

With such copy not to constitute notice.

Each  Partner may change its address  for the  purpose of this  Section  14.3 by
giving  written  notice  of such  change  to the other  Partners  in the  manner
provided in this Section 14.3.

                  (b) Notices and Reports to Equity Charter Municipalities.  For
all purposes  under this  Agreement the GP's should deliver a single copy of all
reports due to Equity Charter Municipalities to the MRC for further distribution
by the MRC to the Equity Charter Municipalities.

            14.4 Governing Law. This Agreement shall be governed by the laws of
the State of Maine, without reference to the conflicts of laws or principles
thereof.

            14.5  Headings.  The  headings of the  articles and sections of this
Agreement  are  inserted  for  convenience  only  and  are not to be  deemed  to
constitute a part of this Agreement.

            14.6  Further and  Additional  Documents  and  Reports.  Each of the
parties hereto agrees to execute,  acknowledge and verify, if required to do so,
all further or additional documents as may be reasonably necessary to effectuate
fully the terms of this Agreement.

            14.7  Counterparts.  This Agreement may be executed in counterparts,
each one of which shall be considered an original,  and all of which, when taken
together, shall constitute one and the same instrument.

            14.8  Binding  on  Successors  and  Assigns.   Except  as  otherwise
specifically  provided herein, this Agreement shall be binding upon and inure to
the benefit of the  executors,  administrators,  successors,  and assigns of the
respective Partners.


                                       36
<PAGE>   37

            14.9 Waiver. The terms, conditions, covenants,  representations, and
warranties  hereof may be waived  only by a written  instrument  executed by the
Partner  waiving  compliance.  The  failure of a Partner at any time or times to
require  performance of any provision hereof shall in no manner affect its right
at a later  time to  enforce  the same.  The  waiver of any  breach of any term,
covenant,  or condition of this Agreement by any of the parties hereto shall not
constitute a continuing waiver or waiver of any subsequent breach, either of the
same or of any other  additional or different  term,  covenant,  or condition of
this Agreement.

            14.10  Severability.  Whenever  possible,  each  provision  of  this
Agreement and all related  documents shall be interpreted in such a manner as to
be  valid  under  applicable  law,  but if any  such  provision  is  invalid  or
prohibited under said applicable law, such provision shall be ineffective to the
extent of such invalidity or prohibition  without  invalidating the remainder of
such provision or the remaining provisions of the affected documents.

            14.11  Attorneys'  Fees.  The parties hereto agree that in the event
any party to this  Agreement  shall be required to initiate legal or arbitration
proceedings  to enforce  performance  of any term or condition of this Agreement
including,  but not limited to, the  payment of monies or the  enjoining  of any
action prohibited  hereunder,  the prevailing party shall be entitled to recover
from the Partnership such sums, in addition to any other damages or compensation
received,  as will reimburse such prevailing party for attorneys' fees and court
and/or arbitration costs incurred on account thereof, regardless of whether such
action proceeds to final judgment or determination.

            14.12 Creditors. None of the provisions of this Agreement be for the
benefit of or enforceable by a creditor of the Partnership or of a Partner.

            14.13  Remedies.  Except  as  may be  provided  explicitly  in  this
Agreement,  the rights and remedies of any of the parties hereunder shall not be
mutually  exclusive,  and the exercise of one or more of the  provisions  hereof
shall not  preclude  the  exercise of any other  provision  hereof.  Each of the
Partners  confirms that monetary damages may be an inadequate  remedy for breach
or  threat  of  breach  of any  provision  hereof.  The  respective  rights  and
obligations hereunder shall be enforceable by specific performance,  injunction,
or other equitable remedy,  but nothing herein contained is intended to limit or
affect any rights at law or by statute or  otherwise  of any party  aggrieved as
against the other for a breach or threat of breach of any provision  hereof,  it
being the  intention  by this Section  14.13 to make clear the  agreement of the
parties  hereunder that this Agreement shall be enforceable in equity as well as
at law or otherwise.

            14.14  Arbitration.  Any party hereto may require the arbitration of
any  matter or  matters  arising  under or in  connection  with this  Agreement.
Arbitration is initiated and required by giving notice  specifying the matter to
be arbitrated. If legal action is already pending on any matter concerning which
the  notice  is given,  the  notice  is  ineffective  unless  given  before  the
expiration  of 20 days after service of process on the person giving the notice.
The  arbitration  shall be held in Portland,  Maine,  and shall be in conformity
with and subject to the then  applicable  rules and  procedures  of the American
Arbitration  Association (or any successor thereto). If the American Arbitration
Association  is not then in existence and there is no  successor,  or if for any
reason the American Arbitration


                                       37
<PAGE>   38

Association fails or refuses to act, the arbitration shall be in conformity with
and  subject to the  provisions  of  applicable  statutes  (if any)  relating to
arbitration at the time of the notice.  The  arbitrators  shall be bound by this
Agreement  and all related  agreements.  Pleadings in any action  pending on the
same matter shall,  if arbitration  is required,  be deemed amended to limit the
issues  to those  contemplated  by the  rules  prescribed  above.  The  costs of
arbitration,  including  arbitrator's  fees, shall be paid by the  nonprevailing
party.  The number and selection of arbitrators  shall be in accordance with the
rules prescribed above,  except that each arbitrator  selected shall be familiar
with the  subject  matter  of the  issues to be  arbitrated,  such as, by way of
example, partnership accounting, or management of waste-to-energy facilities, or
such other subject matter as may be at issue.

            14.15 Schedules and Exhibits. Each of the Schedules and Exhibits are
attached  hereto is hereby  incorporated  herein and made a part  hereof for all
purposes,  and references  thereto  contained  herein shall be deemed to include
this reference and incorporation.

            14.16  Number and  Gender.  Unless  the  context  clearly  indicates
otherwise,  where appropriate in this Agreement,  the singular shall include the
plural and the  masculine  shall  include the feminine and the neuter,  and vice
versa.

            14.17 Power of Attorney; Authority. Each Equity Charter Municipality
hereby grants to the MRC its  irrevocable  Power of Attorney to take all action,
execute,  swear to and deliver any and all documents  required or appropriate in
connection  with its  acquisition  of an  interest in the  Partnership,  and the
Partnership's affairs,  including amendments to the Partnership Agreement.  Each
Equity  Charter  Municipality  hereby  authorizes  and  consents  to the General
Partners  executing  and  delivering  on behalf of the  Partnership  any and all
documents  reasonable deemed appropriate in connection with, and consistent with
the terms of, the FAME Bonds, the Power Purchase Agreement or the Waste Disposal
Agreements.

            14.18 Terms Not  Defined.  The terms used herein,  unless  otherwise
specifically  defined in this  Partnership  Agreement,  shall have the  meanings
provided in the Waste Disposal Agreement.


                                       38
<PAGE>   39

            IN WITNESS WHEREOF, the parties hereto have signed and sworn to this
Third  Amended and Restated  Agreement of Limited  Partnership  the day and year
stated above.

                                          THE GENERAL PARTNERS:

                                          PERC MANAGEMENT COMPANY LIMITED
                                          PARTNERSHIP

                                          BY: PERC, INC.
                                              General Partner


                                    By:   /s/ Martin J. Sergi
                                       -----------------------------------------
                                          Martin J. Sergi, President


                                          ENERGY NATIONAL, INC.


                                    By:   /s/ Michael J. Young
                                       -----------------------------------------
                                          Michael J. Young, Secretary


                                          THE LIMITED PARTNERS:

                                          PERC MANAGEMENT COMPANY LIMITED
                                          PARTNERSHIP

                                          BY: PERC, INC.
                                              General Partner

                                    By:   /s/ Martin J. Sergi
                                       -----------------------------------------
                                          Martin J. Sergi, President


                                          ENERGY NATIONAL, INC.


                                    By:   /s/ Michael J. Young
                                       -----------------------------------------
                                          Michael J. Young, Secretary


                                       39
<PAGE>   40

                                    NEWLY ADMITTED LIMITED PARTNERS
                                    (Equity Charter Municipalities)

                                    BY COUNTER PART SIGNATURE PAGE.


Schedule A  Names and Address of the Equity Charter Municipalities
Schedule B  Equipment Leases


                                       40

<PAGE>   1
                                                                     Exhibit 4.7


                             SURPLUS CASH AGREEMENT

      This  Agreement  dated  as of June  26,  1998 is  among  Penobscot  Energy
Recovery  Company,  Limited  Partnership,   a  Maine  limited  partnership  (the
"Partnership"),  Bangor  Hydro-Electric  Company,  a Maine corporation  ("Bangor
Hydro") and Municipal Review Committee, Inc., a Maine not-for-profit corporation
(the "MRC").

      WHEREAS,  the Partnership and the Finance Authority of Maine ("FAME") have
entered  into a Loan  Agreement  pursuant  to which FAME has agreed to issue its
Electric Rate  Stabilization  Revenue  Refunding Bonds,  Series 1998A (Penobscot
Energy Recovery  Company,  LP) in the aggregate  principal amount of $29,930,000
(the  "Series A Bonds" and its Electric  Rate  Stabilization  Revenue  Refunding
Bonds,  Series 1998B (Penobscot  Energy Recovery  Company,  LP) in the aggregate
principal  amount of  $15,065,000  (the "Series B Bonds" and,  together with the
Series A Bonds, the "Bonds") pursuant to the Trust Indenture dated as of June 1,
1998 (the  "Indenture")  between FAME and The Chase  Manhattan  Bank, as Trustee
(the "Trustee"); and

      WHEREAS, the Partnership and Bangor Hydro entered into a Power Purchase
Agreement dated June 21, 1984, as amended by Amendment No. 1 dated March 24,
1986 and as further amended by Amendment No. 2 (the "Power Purchase Agreement
Amendment No. 2") dated as of the date hereof (collectively, the "Power Purchase
Agreement"); and

      WHEREAS, the MRC is the designated agent for certain municipalities in the
State of Maine which have entered into with the  Partnership  the First  Amended
and Restated  Waste  Disposal  Agreements  on effective as of April 1, 1991 (the
"Charter  Municipalities")  and Second  Amended,  Restated  and  Extended  Waste
Disposal  Agreements  (the  "Extended  Waste  Disposal  Agreements")  in 1998 in
connection   with  the   issuance   of  the   Bonds   (the   "Amending   Charter
Municipalities); and

      WHEREAS, under Article XIX of the Extended Waste Disposal Agreements,  the
Amending Charter Municipalities,  acting through the MRC pursuant to paragraph E
of  Article  XII,  have the option to  participate  in the  purchase  of limited
partnership interests in the Partnership, with the purchase price payable from a
designation  of  Performance  Credits (as defined in the Extended Waste Disposal
Agreements),  and under  paragraph B of Article XVIII and  paragraph  C.3.III of
Article XIX, funds credited to the MRC Prepayment Account in the Bond Prepayment
and Reserve  Fund from  Revenues (as defined in and pursuant to Article V of the
Indenture) or deposited therein by the MRC from designated  Performance  Credits
and either (i) transferred to the Special Redemption Account of the Debt Service
Fund to redeem  "Series 1998B Special Term Bonds" (as defined in the  Indenture)
prior to their stated maturity date, or (ii) used to purchase and cancel,  or to
defease or otherwise  optionally  redeem,  Bonds prior to their stated  maturity
date; and

      WHEREAS, the distribution to the MRC constitutes the Performance Credits


                                      -1-
<PAGE>   2

contemplated  in Article XVIII of the Extended Waste Disposal  Agreement and the
calculation  of such  Performance  Credits  needs to be  adjusted as a result of
additional  reserve accounts required by FAME in connection with the issuance of
the Bonds, as contemplated in paragraph A of Article XVIII of the Extended Waste
Disposal Agreement and approved by the MRC; and

      WHEREAS, under the Power Purchase Agreement,  Bangor Hydro is obligated to
pay  $250,000  on the  first  day of each  January,  April,  July  and  October,
commencing  October 1, 1998,  until the amount paid equals  $4,000,000,  by wire
transfer  to the Trustee  for credit to the Bangor  Hydro-Funded  Account of the
Bond Prepayment and Reserve Fund (the "Bangor Hydro Payment"); and

      WHEREAS, under Section 5.01 of the Indenture,  the Trustee has established
certain  Trust  Funds,  including  the  Special  Redemption  Account of the Debt
Service  Fund and the Bond  Prepayment  and Reserve Fund  consisting  of (1) the
Bangor Hydro-Funded  Account (consisting of the MRC Retention Subaccount and the
Borrower  Retention  Subaccount),  (2) the MRC Prepayment  Account,  and (3) the
Borrower Reserve Account; and

      WHEREAS,  Section 5.03 of the Indenture  provides for the  application  of
Revenues  on the  fifteenth  day of each  calendar  month  (each  an  "Indenture
Distribution  Date"),  and any balance remaining after  application  pursuant to
clauses (1) through (9) and the funding of certain  Accounts  pursuant to clause
(10) of said Section 5.03 is paid to or at the direction of the  Partnership for
distribution among the Partnership, Bangor Hydro and the MRC; and

      WHEREAS,  the parties hereto desire to set forth herein their agreement of
the  distribution  of (i) the  Allocable  Funds  after  accounting  for  Reserve
Deposits,  (ii) interest on various reserve funds held under the Indenture,  and
(iii)  Indenture  Residual  paid by the  Trustee to or at the  direction  of the
Partnership under the Indenture.

      NOW, THEREFORE,  for good and valuable  consideration,  the parties hereto
hereby agree as follows:

      Section 1. Definitions. Capitalized terms used herein and not otherwise
defined have the meanings given such terms in the Indenture. In addition, the
following terms, as used herein, have the following meanings:

            "Allocable Funds" means, as of any Indenture  Distribution Date, the
      Revenue Fund Balance,  less  reimbursements of the Partnership and the MRC
      under Section 4(a) of this  Agreement for  withdrawals by the Trustee from
      the Borrower Reserve Account,  the Borrower  Retention  Subaccount and the
      MRC Reserve  Accounts,  and less the  Prepayment  Benefit (if any) for the
      Monthly Period ended on such Indenture Disbursement Date.

            "Bangor Hydro  Payment" has the meaning given such term in the sixth
      WHEREAS clause above.


                                      -2-
<PAGE>   3

            "Bond Documents" means the Indenture and the Financing Documents.

            "ENI" means  Energy  National,  Inc.,  a Utah  corporation,  and its
      successors or assigns as a general or limited partner in the Partnership.

            "Funding Date Partners"  means the partners of the  Partnership  (as
      their respective  interests are then reflected on the books and records of
      the Partnership) on each Indenture Distribution Date from July 15, 1998 to
      the date on which  the  aggregate  amount  of all  deposits  made into the
      Borrower Reserve Account under Section 5.03(b)(10)(iv) is $2,500,000.

            "Indenture Residual" has the meaning given such term in Section 6
      hereof.

            "Issue Date Partners" means PMC and ENI.

            "MRC  Reserve  Accounts"  means  collectively,   the  MRC  Retention
      Subaccount  in the Bangor  Hydro-Funded  Account,  and the MRC  Prepayment
      Account, of the Bond Prepayment and Reserve Fund.

            "Monthly   Period"   means  a  period   beginning  on  an  Indenture
      Distribution Date and ending on the next succeeding Indenture Distribution
      Date.

            "PMC" means PERC  Management  Company Limited  Partnership,  a Maine
      limited partnership, and its successors or assigns as a general or limited
      partner in the Partnership.

            "Prepayment  Benefit"  means,  for any period of  determination,  an
      amount equal to (i) the interest and the Capital  Reserve  Premium payable
      to the  Authority  that would have been  payable on the Bonds  during such
      period if no Bonds had been optionally redeemed,  purchased or defeased as
      contemplated  by Section 7 of this  Agreement,  less (ii) the interest and
      the Capital  Reserve  Premium payable to the Authority paid on outstanding
      Bonds during such period.

            "Reserve Deposits" means, as of any Indenture Distribution Date, the
      aggregate  amount of the Revenue Fund Balance  credited by the Trustee (i)
      to the MRC Retention  Subaccount  pursuant to Section  5.03(10)(i)  of the
      Indenture;  (ii) to the Borrower Retention  Subaccount pursuant to Section
      5.03(10)(ii)  of the  Indenture;  (iii)  to  the  MRC  Prepayment  Account
      pursuant  to  Section  5.03(10)(iii)  of the  Indenture;  and  (iv) to the
      Borrower  Reserve  Account   pursuant  to  Section   5.03(10)(iv)  of  the
      Indenture.

            "Revenue  Fund  Balance" has the meaning  given such term in Section
      5.03(10) of the  Indenture;  namely,  it is the balance of the Revenues in
      the Revenue Fund on each Indenture  Distribution Date after application of
      Revenues  by the  Trustee  pursuant  to clauses  (1)  through  (9) of said
      Section 5.03 of the Indenture.


                                      -3-
<PAGE>   4

      Section 2. Bangor Hydro Payments. Bangor Hydro shall pay, by wire transfer
or in other immediately available funds, to the Trustee for credit to the Bangor
Hydro-Funded  Account of the Bond  Prepayment and Reserve Fund, the Bangor Hydro
Payment, one-half of which is to be designated by Bangor Hydro for credit to the
MRC  Retention  Subaccount  and one-half of which is to be  designated by Bangor
Hydro for credit to the Borrower Retention Subaccount.

      Section 3. Investment of MRC Accounts; Interest Earnings.

            (a) Under Section 5.12 of the  Indenture,  the  Partnership  has the
      right to direct the  investment,  from time to time,  of the various Trust
      Funds, including the MRC Reserve Accounts, in Eligible Investments, and as
      of the date hereof the  Partnership  has provided the Trustee with written
      investment  instructions  and  intends to do so from time to time,  in its
      discretion,   except  that  upon  the  Partnership's  receipt  of  written
      instructions of the MRC, the  Partnership  agrees to direct the Trustee to
      invest funds in the MRC Reserve Accounts, or either of them, in accordance
      with such instructions,  provided that such investment instructions comply
      with  the  provisions  of  Section  5.12  of the  Indenture  and  the  Tax
      Regulatory  Agreement.  The MRC hereby agrees and  acknowledges  that such
      investments may be made with or through the Trustee or its affiliates, and
      neither the Trustee nor the Partnership shall be responsible or liable for
      any losses  incurred  or  realized by the  investment  of such  Account or
      Subaccount so long as such investments  qualify as "Eligible  Investments"
      as required under the Indenture.

            (b) Under Section  5.12(b)(iii) of the Indenture,  interest earnings
      on  funds  credited  to  the  Special  Redemption  Account  and  the  Bond
      Prepayment and Reserve Fund are to be distributed from time to time at the
      direction  of  the   Partnership.   The  parties  hereto  agree  that  the
      Partnership  shall direct the Trustee to distribute such interest earnings
      as follows:  (i) on the Special Redemption Account, as and when earned, to
      the Partnership;  (ii) on the Borrower Retention  Subaccount,  as and when
      earned, to the Issue Date Partners; (iii) on the Borrower Reserve Account,
      as and when  earned,  to the Funding  Date  Partners;  and (iv) on the MRC
      Reserve  Accounts,  as and  when  earned,  to the MRC  unless  the MRC has
      provided the Partnership  with written  instructions to direct the Trustee
      to retain such amounts  therein,  or to transfer  such amounts (in minimum
      increments  as  specified in Section 7 of this  Agreement)  to the Special
      Redemption Account.

      Section 4. Distribution of Revenue Fund Balance. After applications of the
Revenue  Fund Balance  pursuant to Section  5.03(10) of the  Indenture  (that is
after any Reserve Deposits), the Trustee pays the balance to or at the direction
of the Partnership on each Indenture Distribution Date. The parties hereto agree
that the Partnership shall direct the Trustee to disburse the balance payable to
the Partnership on an Indenture Disbursement Date, as follows:

            (a) First, pro rata to the Issue Date Partners, an amount equal to
      any amounts


                                      -4-
<PAGE>   5

      theretofore  withdrawn by the Trustee from the  Borrower  Reserve  Account
      under  Section  5.10(a)(2)  of  the  Indenture  and to  the  Funding  Date
      Partners,  an amount  equal to any amounts  theretofore  withdrawn  by the
      Trustee from the Borrower Retention Subaccount under Section 5.10(a)(2) of
      the Indenture to pay  deficiencies  in the Debt Service  Fund,  until such
      partners have been fully reimbursed for all such amounts  withdrawn by the
      Trustee,  and to the  MRC,  an  amount  equal to any  amounts  theretofore
      withdrawn  by the Trustee  from the MRC  Reserve  Accounts  under  Section
      5.10(a)(2) of the Indenture to pay  deficiencies  in the Debt Service Fund
      (but not  including  any  transfers to the Special  Redemption  Account or
      otherwise to optionally  redeem Bonds under Section  2.04(c) or (d) of the
      Indenture or to purchase and cancel or defease  Bonds),  until the MRC has
      been  fully  reimbursed  for all  amounts  so  withdrawn  by the  Trustee;
      provided  that if the  balance  of funds  available  for such  purpose  is
      insufficient to make such payments in full to the Issue Date Partners, the
      Funding Date Partners and the MRC, then it shall be paid to the Issue Date
      Partners and the Funding  Date  Partners (on one hand) and the MRC (on the
      other hand) on a pro rata basis.

            (b) Second, to the Partnership,  the Prepayment Benefit (if any) for
      the Monthly Period ended on such Indenture Disbursement Date.

            (c) Third, the remaining balance distributed as follows:

                  (i) To Bangor  Hydro:  (A)  one-third  (1/3) of the  Allocable
            Funds less (B) any amount deposited in the MRC Retention  Subaccount
            by the Trustee under Section 5.03(10)(i) of the Indenture,  and less
            (C) any amount deposited in the Borrower Retention Subaccount by the
            Trustee under Section 5.03(10)(ii) of the Indenture.

                  (ii) To or at the direction of the MRC: (A) one-third (1/3) of
            the  Allocable  Funds  less  (B)  any  amount  deposited  to the MRC
            Prepayment Account by the Trustee under Section 5.03(10)(iii) of the
            Indenture;  provided,  however,  that  if the  Partnership  receives
            written  direction from the MRC not less than five (5) Business Days
            prior to the Indenture  Distribution Date that all or any designated
            portion of such payment  should be transferred by the Trustee to the
            MRC  Prepayment  Account  or the  Special  Redemption  Account,  the
            Partnership  shall  direct the Trustee to effect such  retention  or
            transfer;

                  (iii) To the Partnership: (A) one-third (1/3) of the Allocable
            Funds less (B) any amounts deposited to the Borrower Reserve Account
            by the Trustee under Section 5.03(10)(iv) of the Indenture.

      Examples of the  Partnership's  directions  to the Trustee  regarding  the
      distribution of the Revenue Fund Balance  remaining after Reserve Deposits
      among the parties hereto is attached as Exhibit A.


                                      -5-
<PAGE>   6

      Section  5.  Closing  Date  Adjustments.  The  parties  hereto  agree that
following  the date hereof,  they will  calculate an amount that would have been
distributed  to the parties  hereto,  assuming that the issuance and delivery of
the Bonds (and the  defeasance of the Prior  Bonds),  had occurred at the end of
business  on April 30,  1998,  and the  Partnership  will  distribute  among the
Partnership,  the MRC and Bangor Hydro such amount within 45 days after June 30,
1998 or as soon thereafter as sufficient funds are available.

      Section 6. Distribution of Indenture  Residual.  Under Section 5.15 of the
Indenture, upon the payment and discharge in full of all of the Bonds, and after
application  and other  payments as  described  in clauses  (i) through  (iv) of
Section 5.15 of the Indenture, the Trustee shall pay the balance remaining under
the  Indenture  (the  "Indenture  Residual")  to  or at  the  direction  of  the
Partnership.  The parties  hereto  agree that the  Partnership  shall direct the
Trustee to disburse the Indenture Residual as follows:

            (i) Revenue Fund, one-third paid to the Partnership,  one-third paid
      to Bangor Hydro and one-third paid to the MRC.

            (ii) Debt Service Fund (excluding the Special  Redemption  Account),
      one-third  paid to the  Partnership,  one-third  paid to Bangor  Hydro and
      one-third paid to the MRC.

            (iii) Special Redemption Account, paid to the Partnership.

            (iv) Operating Account in the Operating Fund (after retention by the
      Partnership  of  an  amount  necessary  for  working  capital   purposes),
      one-third  paid to the  Partnership,  one-third  paid to Bangor  Hydro and
      one-third paid to the MRC.

            (v) Operating Reserve Account in the Operating Fund,  one-third paid
      to Bangor Hydro, one-third paid to the MRC and one-third paid to the Issue
      Date Partners.

            (vi)  Capital  Improvement  Fund,  one-third  paid to Bangor  Hydro,
      one-third paid to the MRC and one-third paid to the Issue Date Partners.

            (vii)  Capital  Reserve  Fund,   one-third  paid  to  Bangor  Hydro,
      one-third paid to the MRC and one-third paid to the Issue Date Partners.

            (viii) MRC Reserve Accounts, to the MRC.

            (ix) Borrower Retention Subaccount, to the Issue Date Partners.

            (x) Borrower Reserve Account, to the Funding Date Partners.

Amounts paid to the Issue Date Partners under clauses (v), (vi),  (vii) and (ix)
above shall be paid  71.28574% to PMC and 28.71426% to ENI.  Amounts paid to the
Funding Date Partners under


                                      -6-
<PAGE>   7

clause (x) above,  shall be paid to each Funding Date Partner in  proportion  to
the fraction  the  numerator  of which is the  cumulative  sum of (a) the amount
credited to the Borrower  Reserve  Account on each Indenture  Distribution  Date
multiplied  by (b) that Funding Date  Partner's  aggregate GP Sharing Ratio with
respect to the  general  partners'  aggregate  interest  (currently  10%) and LP
Sharing  Ratio  with  respect  to  the  limited  partners'   aggregate  interest
(currently  90%) as of such date and the  denominator  of which is the aggregate
principal  amount credited to the Borrower  Reserve Account over the life of the
Bonds.

      Section 7. Optional  Redemption,  Purchase or Defeasance of Bonds.  At any
time and from time to time (but not more  frequently  than once in each Calendar
Quarter):

            (a) upon  notice  from the MRC,  the  Partnership  shall  direct the
      Trustee to transfer all or any  designated  portion of money on deposit in
      the MRC Retention  Subaccount or the MRC Prepayment  Account (in a minimum
      increment  of $5,000 or any  multiple  thereof) to the Special  Redemption
      Account of the Debt Service Fund to be used to  optionally  redeem  Series
      1998B  Special Term Bonds (in  authorized  denominations)  on the earliest
      date practicable under Sections 2.04(d) and 5.07(iv) of the Indenture;

            (b) the MRC may (i) purchase  Bonds in the open  market,  and direct
      the Partnership to tender such Bonds to the Trustee for  cancellation,  or
      (ii) direct the  Partnership to defease a designated  portion of the Bonds
      in  authorized  denominations,  or (iii)  from  and  after  July 1,  2008,
      instruct  the  Partnership  to  optionally  redeem  Bonds  (in  authorized
      denominations)  on the earliest  practicable date under Section 2.04(c) of
      the Indenture.  If Bonds are to be defeased, all costs of defeasance shall
      be paid by funds in the MRC Prepayment  Account from such amount and shall
      include all costs and expenses related to such  defeasance,  including the
      purchase  price of Government  Obligations,  the costs and expenses of the
      Trustee, Bond Counsel,  counsel to the Partnership,  and any accounting or
      Rating Agency expenses. If Bonds are to be optionally redeemed pursuant to
      Section  2.04(c) of the  Indenture,  the redemption  price,  including any
      redemption  premium,  shall  be  paid  from  funds  in the  MRC  Retention
      Subaccount or the MRC Prepayment Account.

            (c)  Under  Section  5.03(c)(10)(v)  of the  Indenture,  at any time
      additional  money  may be  paid  to the  Trustee  for  credit  to the  MRC
      Prepayment Account or for transfer to the Special Redemption Account. Upon
      receipt of any such additional  money,  accompanied by a written direction
      from the MRC to do so, the  Partnership  shall  transfer such funds to the
      Trustee  for  credit to the  Account  so  specified  in the MRC's  written
      direction;  provided that amounts to be deposited in or transferred to the
      Special Redemption Account shall be in integral amounts of $5,000.

            (d) If the Partnership  receives a written direction from the MRC to
      direct  the  Trustee  to  transfer  amounts  in either of the MRC  Reserve
      Accounts to the Special Redemption Account or to pay all or a part of such
      amounts to the MRC in accordance  with Section  5.06(c) of the  Indenture,
      the Partnership will so direct the Trustee; provided


                                      -7-
<PAGE>   8

      that the amounts to be so  transferred to the Special  Redemption  Account
      shall be in integral amounts of $5,000.

      Section  8.  Prepayment  Benefit  for Debt  Service  Savings  Due to Early
Retirement  of Bonds from MRC  Prepayment  Account.  If any Series 1998B Special
Term Bonds are optionally redeemed from funds deposited in or transferred to the
Special  Redemption  Account,  or if any  Bonds  are  purchased  by the  MRC and
tendered to the Trustee for cancellation, or defeased, in connection with an MRC
direction given to the Partnership pursuant to Section 7 of this Agreement,  the
Partnership shall calculate the Prepayment  Benefit for each Monthly Period, and
shall provide such  calculations  to the MRC and Bangor Hydro.  Absent  manifest
error, such calculations shall be deemed conclusive.

      Section 9. Notices.  Except when telephonic notice is expressly authorized
by this Agreement,  any notice or other communication to any party in connection
with this  Agreement  shall be in writing and shall be sent by manual  delivery,
overnight   courier  or  United  States  mail  (postage  prepaid)  or  facsimile
transmission  (followed  by a  written  confirmation  sent by  manual  delivery,
overnight courier or United States mail), addressed to such party at the address
specified on the signature  page hereof,  or at such other address as such party
shall have  specified  to the other  parties  hereto in writing.  All periods of
notice  shall  be  measured  from  the  date of  delivery  thereof  if  manually
delivered,  from the date of sending thereof if sent by facsimile  transmission,
from the  first  Business  Day after the date of  sending  if sent by  overnight
courier,  or from  four days  after the date of  mailing  if  mailed;  provided,
however,  that any notice to the  Partnership  from the MRC under  Section  4(b)
hereof shall be deemed to have been given only when received by the Partnership.

      Section 10. Limitation of Liability.  Notwithstanding  any other provision
of this  Agreement,  and without  waiving or  foregoing  any rights  against the
Partnership,  there shall be no recourse  against any general or limited partner
of  the  Partnership  or  any  of  their  respective  affiliates,  stockholders,
partners,  officers,  directors,  employees  or  agents,  for any  liability  or
obligations of the Partnership arising under this Agreement.  The limitations on
recourse  set  forth  in this  Section  10  shall  survive  termination  of this
Agreement  and  the  full  performance  of the  obligations  of the  Partnership
hereunder.

      Section 11. MRC Approval.  The MRC acknowledges  that the distributions to
it pursuant to Section 4 hereof  constitute the  Performance  Credits,  that the
calculation of such distributions might be interpreted as varying method defined
in  Article  XVIII of the  Extended  Waste  Disposal  Agreements,  and that such
variation is  contemplated in paragraph A of Article XVIII of the Extended Waste
Disposal  Agreements.  The MRC hereby  approves of the variation in  calculating
such Performance Credits.

      Section 12. Miscellaneous Provisions.

            (a) Successors and Assigns. This Agreement shall be binding upon and
      inure to the benefit of the parties hereto and their respective successors
      and assigns.


                                      -8-
<PAGE>   9

            (b)  Governing  Law and  Construction;  Severability.  The validity,
      construction and enforceability of this Agreement shall be governed by the
      internal laws of the State of Maine, without giving effect to the conflict
      of laws  principles  thereof.  Whenever  possible,  each provision of this
      Agreement and any other statement,  instrument or transaction contemplated
      hereby or thereby or relating  hereto or thereto shall be  interpreted  in
      such manner as to be effective and valid under such  applicable  law, but,
      if any provision of this Agreement,  the Indenture or any other statement,
      instrument  or  transaction  contemplated  hereby or thereby  or  relating
      hereto or thereto  shall be held to be  prohibited  or invalid  under such
      applicable law, such provision shall be ineffective  only to the extent of
      such prohibition or invalidity, without invalidating the remainder of such
      provision  or the  remaining  provisions  of this  Agreement  or any other
      statement,  instrument or  transaction  contemplated  hereby or thereby or
      relating hereto or thereto.

            (c) Captions.  The captions or headings  herein are for  convenience
      only and in no way define,  limit or  describe  the scope or intent of any
      provision of this Agreement.

            (d)  Entire  Agreement.   This  Agreement  and  the  Power  Purchase
      Agreement,   the  Waste  Disposal  Agreements,   the  Warrants,  the  Bond
      Documents, the partnership agreement of the Partnership and the monitoring
      agreement between the MRC and Bangor Hydro embody the entire agreement and
      understanding  between  the  parties  hereto  with  respect to the subject
      matter hereof and thereof.  This Agreement supersedes all prior agreements
      and  understandings   relating  to  the  subject  matter  hereof.  Nothing
      contained  in  this  Agreement  or in any  other  document,  expressed  or
      implied,  is intended  to confer  upon any Persons  other than the parties
      hereto any rights,  remedies,  obligations  or  liabilities  hereunder  or
      thereunder.

            (e)  Counterparts.  This  Agreement may be executed in any number of
      counterparts,  all of which taken  together  shall  constitute one and the
      same instrument,  and any of the parties hereto may execute this Agreement
      by signing any such counterpart.


                                      -9-
<PAGE>   10

            IN WITNESS WHEREOF, the parties hereto have caused this Agreement to
be executed as of the date first above written.

Notice Address for Partnership:

One copy to:                         PENOBSCOT ENERGY RECOVERY
                                     COMPANY, LIMITED PARTNERSHIP

c/o KTI, Inc.
7000 Boulevard East                  By PERC Management Company Limited
Guttenberg, NJ  07093                         Partnership, a General Partner
Attn:  President                     By PERC, Inc., its general partner
Fax No.: (201) 854-1771
Telephone No.: (201) 854-777
                                     By: Martin J. Sergi
                                        ----------------------------
                                       
and

                                     Its: President 
                                         ---------------------------

One copy to:

                                    By ENERGY NATIONAL, INC.,
Energy National, Inc.               a General Partner
c/o NRG Energy, Inc.
1221 Nicollet Mall, Suite 700
Minneapolis, MN                     By: Michael Young
Attn: Stan Marks                       -----------------------------
Fax No.: (612) 373-5312             
                                    Its: Secretary
                                        ----------------------------
Telephone No.: (612) 373-5455

and

One copy to:

Penobscot Energy Recovery Company,
Limited Partnership
Industrial Way
Orrington, Maine
Attn:  Gary A. Stacey
Fax No. (207) 825-4115
Telephone No.: (207) 825-4566


                                      -10-
<PAGE>   11

Notice Address for MRC:             MUNICIPAL REVIEW COMMITTEE, INC.

Municipal Review Committee, Inc.
P.O. Box 2579                       By: Gerald Kempen
Bangor, Maine  04402                    ---------------------------
Attn: Clerk                         Its: President
Fax No.: (207) 942-3548                 ---------------------------
Telephone No.: (207) 942-6389

Notice Address for Bangor Hydro:    BANGOR HYDRO-ELECTRIC COMPANY
Bangor Hydro-Electric Company
33 State Street
P.O. Box 932                        By: Frederick S. Samp
Bangor, Maine  04402-0932               -----------------------------
Attn: President                     Its: Vice President-Finance & Law
Fax No.: (207) 945-5621                 -----------------------------
Telephone No.: (207) 941-6653


(Signature Page to Surplus Cash Agreement)

<PAGE>   1
                                                                     Exhibit 4.8

                                  NEWS RELEASE

FOR IMMEDIATE RELEASE

                    KTI, Inc. Announces Completion of PERC's

                         Utility Contract Restructuring

      Guttenberg,  N. J. (June 26, 1998) -- - KTI, Inc. (Nasdaq: KTIE) announced
today the successful completion of a major overhaul of the various contracts and
obligations  of  its  waste-to-energy  subsidiary,   Penobscot  Energy  Recovery
Company, Limited Partnership (PERC). This major restructuring involves the waste
supply agreements with the constituent municipalities, the power sales agreement
with Bangor Hydro (PERC's sole utility  customer),  as well as a refinancing  of
the tax exempt bonds for PERC. KTI is a 71.3% owner and general partner of PERC.

      The  refinancing  was made  possible  through  the  sale of  approximately
$45,000,000 in Electric Rate Stabilization Revenue Refunding bonds issued by the
Finance Authority of Maine (FAME).  The yield on the bonds ranges from 3.75% for
1-year term bonds to 5.20% for 20-year term bonds.  Proceeds were used to retire
PERC's existing  outstanding bonds,  thereby reducing its debt service costs and
extending the term of its current 5-year bonds.

      The  refinancing  was part of a complex  transaction  involving KTI, PERC,
FAME, the Maine Legislature, Bangor Hydro-Electric Company, the Public Utilities
Commission of Maine,  and the Municipal  Review Committee (MRC) which represents
over 130 Maine municipalities.

      The  refinancing   was  facilitated   under  the  auspices  of  the  Maine
Legislature through an amendment to the Electric Rate Stabilization Program that
allowed PERC to qualify for such  financing.  Under the agreement,  the State of
Maine's "moral obligation" supports the new non-recourse debt.

      The PERC  refinancing  agreement and the associated  restructuring  of the
power sales  agreement is also intended to enhance the  financial  objectives of
Bangor Hydro-Electric  including a rate reduction of its contractual  obligation
to purchase  PERC's power output through the year 2018. The agreement  addresses
Bangor  Hydro's  desire to reduce  the  burden on its  ratepayers  caused by the
existing power purchase  agreement with PERC. The restructuring  also stabilized
tipping  fees for the  municipalities  which  PERC  serves in  exchange  for the
extension of their  commitment to provide up to 180,000 tons of solid waste each
year to PERC through the year 2018.

      As part of the closing of the  transaction,  Bangor  Hydro made a one-time
payment of $6 million to PERC and will make  additional  quarterly  payments  of
$250,000 for four years totaling $4 million.

                                     -more-
<PAGE>   2

                                                                          Page 2
                                                                       KTI, Inc.


      In  addition,  Bangor  Hydro  issued one million  warrants to PERC and one
million warrants to MRC. Each warrant entitles the warrant holder to acquire one
share of Bangor Hydro common stock at a price of $7 per share. The warrants vest
over four years and expire in 10 years.

      KTI President,  Martin J. Sergi said, "This is an extremely  important and
valuable  transaction for all parties involved.  As for KTI, the transaction has
some near term impact on earnings,  which are perfectly  manageable as expected.
We will both  increase and  strengthen  our cash flow which is locked in for the
years ahead.  In addition,  KTI will have an equity stake in Bangor Hydro.  As a
further  benefit,  the communities have extended their contracts with PERC by 15
years to supply the required  stream of solid waste into the  facility,  and the
Public  Utilities  Commission  in Maine has  approved the rate that PERC charges
Bangor Hydro for electricity for the next 20 years. This is another illustration
of the strong  public/private  partnership  developed by KTI's  subsidiaries  in
Maine."

      PERC processes  approximately 250,000 tons of municipal solid waste a year
from  230  Maine  communities  and  generates  over  160,000  megawatt  hours of
electricity per annum, which is sold to Bangor Hydro Electric Company.  In 1997,
PERC generated $31.6 million in revenue and net income of $7.3 million.

      Energy National, Inc. (ENI), a subsidiary of NRG Energy, which is also a
general partner of PERC, owns 28.7% of PERC.

                                       ***

      KTI is a fully integrated  waste management  company whose core reputation
was  established  in the  waste-to-energy  sector.  KTI  owns and  operates  two
waste-to-energy facilities in Maine, two waste-to-energy facilities in Virginia;
a biomass-to-energy  plant in Florida,  and wood processing  operations in Maine
and Georgia.  Collectively,  these businesses handle in excess of 1,000,000 tons
of material annually.

      KTI also owns and operates major  recycling  facilities in Boston,  Newark
and Chicago,  a  full-service  environmental  company  based in  Newington,  New
Hampshire,   a  Maryland  company  specializing  in  marketing   post-industrial
recycling plastics, a paper and metals recycling company in Biddeford, Maine and
a world wide secondary fiber  marketing  company based in Portland,  Oregon.  It
also  holds a majority  interest  in  America's  only  commercially  operational
municipal waste ash recycling facility in Nashville, Tennessee

      For further information, contact Marty Sergi at KTI, Inc. (201) 854-7777
or Frank N. Hawkins, Jr. or Julie Marshall at Hawk Associates, Inc. (305)
852-2383. Copies of KTI press releases, SEC filings, current price quotes, stock
charts, analysts' comments and other valuable information for investors may be
found on the website http://www.hawkassociates.com.

      This  release  contains  various  forward  looking  statements  within the
meaning of Section  27A of the  Securities  Act of 1933 and  Section  21E of the
Securities  Exchange Act of 1934 which  represent the company's  expectations or
beliefs concerning future events of the company's financial  performance.  These
forward-looking  statements are qualified by important  factors that could cause
actual  results  to  differ   materially  from  those  in  the   forward-looking
statements.  Results  actually  achieved  may differ  materially  from  expected
results included in these statements.


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