RIDGEWOOD ELECTRIC POWER TRUST IV
8-K/A, 1997-10-29
ELECTRIC SERVICES
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                        UNITED STATES

             SECURITIES AND EXCHANGE COMMISSION

                   WASHINGTON, D.C.  20549
                   

                    AMENDMENT NO. 1 TO
      
                           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) July 1, 1997

              RIDGEWOOD ELECTRIC POWER TRUST IV
     (Exact name of Registrant as Specified in Charter)

Delaware               0-25430                22-3324608
(State or other    (Commission               (IRS Employer
 jurisdiction        file number)           Identification
 of incorporation)                             Number)

     947 Linwood Avenue, Ridgewood, New Jersey 07450-2939
(Address of principal executive offices)        (Zip Code)

Registrant's telephone number, including area code (201) 447-
9000
<PAGE>

Item 7.  Financial Statements, Pro Forma Financial
Information and Exhibits

      No historical or pro forma financial statements are
required under Regulation S-X.

     (c)  Exhibits.  The exhibits will be filed in electronic
format by amendment.

Exhibit No.    Item
   2.A.  Agreement to Purchase Membership Interests, dated
as of June 11, 1997, by and between Ridgewood Maine, L.L.C.
and Indeck Maine Energy, L.L.C.  Exhibits and schedules, as
listed below, are omitted.

          Schedule 4.1.    Existing Members
          Schedule 4.5.    Governmental Consents and Notices
          Schedule 4.6.    Additional Consents and Notices
          Schedule 5.3.1.  Real Property Rights
          Schedule 5.3.2.  Title to Seller Assets
          Schedule 5.4.    Project Documents
          Schedule 5.6.    Project Permits
          Schedule 5.7.    General Legal Compliance
          Schedule 5.8.    Environmental Legal Compliance
          Schedule 5.9.    Insurance
          Exhibit  A       Form of Consent and Guaranty
                           Agreement
          Exhibit B        Form of Amended and Restated
                           Operating Agreement (see
                           Exhibit 2.B.)
          Exhibit C        Form of First Amendment to System
                           Operating and Maintenance
                           Agreement

    2.B.  Amended and Restated Operating Agreement of
Indeck Maine Energy, L.L.C., dated as of June 11, 1997.
The Registrant agrees to furnish supplementally a copy of
any omitted exhibit or schedule to these exhibits to the
Commission upon request.

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.
                         RIDGEWOOD ELECTRIC POWER TRUST IV
                         By: /s/ Martin V. Quinn
                                 Martin V. Quinn, Senior Vice
                              President and Chief Financial
                              Officer

                                                 



                           AGREEMENT TO PURCHASE
                            MEMBERSHIP INTERESTS

                                  Between

                        INDECK MAINE ENERGY, L.L.C.

                                as Seller,


                                     And


                           RIDGEWOOD MAINE, L.L.C.

                                 as Buyer,

                                                            

                         Dated as of      June 11, 1997

                                                            

                     Acquisition of Membership Interests 
                         In Indeck Maine Energy, L.L.C.
<PAGE>


                              TABLE OF CONTENTS


ARTICLE I DEFINITIONS AND INTERPRETATIONS                                  1
1.1  Defined Terms                                                         1
1.2  Interpretations                                                       5

ARTICLE 2 SALE AND PURCHASE OF BUYER'S MEMBERSHIP INTEREST; 
PURCHASE PRICE                                                             6
2.1  Sale of Buyer's Membership Interest                                   6
2.2  Manner of Payment                                                     6

ARTICLE 3 CLOSING DATE AND ACTIONS AT CLOSING                              6
3.1  Closing Date                                                          6
3.2  Actions at Closing                                                    6
  3.2.1  Delivery of Closing Documents                                     6
  3.2.2  Payment of Buyer's Membership Interest Purchase Price             6
3.3  Additional Actions                                                    6

ARTICLE 4 REPRESENTATIONS AND WARRANTIES
RELATING TO SELLER, ITS MEMBERS AND AFFILIATES                             6
4.1  Due Organization                                                      7
4.2  Power and Authority                                                   7
4.3  Valid, Binding and Enforceable Obligations                            7
4.4  No Violations                                                         7
4.5  Governmental Consents and Notices                                     7
4.6  Additional Consents and Notices                                       8
4.7  Membership Interests                                                  8
4.8  Bankruptcy                                                            8
4.9  Business of Seller                                                    8
4.10 Utility Status                                                        8
4.11 Adequacy of the Seller Assets                                         9
4.12 No Undisclosed Liabilities                                            9

ARTICLE 5 REPRESENTATIONS AND WARRANTIES RELATING TO
THE FACILITIES                                                            10
5.1  No Litigation                                                        10
5.2  Qualifying Facility Matters                                          10

<PAGE>

5.3  Seller's Assets                                                      10
  5.3.1  Real Property Rights; Title Insurance                            10
  5.3.2  Title to Seller Assets                                           10
5.4  Project Documents                                                    11
5.5  No Employees, Etc                                                    11
5.6  Permits                                                              11
5.7  General Legal Compliance                                             12
5.8  Environmental Legal Compliance                                       12
5.9  Insurance                                                            12
5.10  Utilities                                                           12
5.11  Facility Construction and Condition                                 12
5.12  Securities Laws                                                     13
5.13  Brokers                                                             13
5.14  Tax Returns                                                         13

ARTICLE 6 BUYER'S REPRESENTATIONS AND WARRANTIES                          13
6.1  Due Organization                                                     13
6.2  Power and Authority                                                  13
6.3  Valid, Binding and Enforceable Obligations                           14
6.4  No Violations                                                        14
6.5  Bankruptcy                                                           14
6.6  No Litigation                                                        14
6.7  Investment Intent                                                    14
6.8  Accredited Investor                                                  15
6.9  Brokers' Fees                                                        15

ARTICLE 7 CONDITIONS PRECEDENT TO BUYER'S OBLIGATIONS                     15
7.1  No Termination                                                       15
7.2  Representations True and Correct; Certificate                        16
7.3  Compliance with Covenants; Certificate                               16
7.4  No Adverse Proceedings                                               16
7.5  Proceedings Satisfactory                                             16
7.6  No Adverse Changes                                                   16
7.7  Consents and Notices                                                 16
7.8  Legal Opinion                                                        16
7.9  Execution and Delivery of Closing Documents                          16
7.10  No Violations                                                       17
7.11 Closing Actions                                                      17
7.12  Seller Documents                                                    17

<PAGE>

ARTICLE 8 CONDITIONS PRECEDENT TO SELLER'S OBLIGATIONS                    17
8.1  No Termination                                                       17
8.2  Representations True and Correct; Certificate                        17
8.3  Compliance with Covenants; Certificate                               17
8.4  No Adverse Proceedings                                               17
8.5  Proceedings Satisfactory                                             18
8.6  Consents and Notices                                                 18
8.7  Legal Opinion                                                        18
8.8  Execution and Delivery of Closing Documents                          18
8.9  No Violations                                                        18
8.10  Closing Actions                                                     18

ARTICLE 9 INDEMNIFICATION                                                 18
9.1  Indemnification by Seller                                            18
9.2  Indemnification by Buyer.                                            19

ARTICLE 10 ADDITIONAL COVENANTS AND TERMINATION                           19
10.1  Seller's General Pre-Closing Covenants                              19
  10.1.1  Full Access                                                     19
  10.1.2  Furnishing Information                                          19
  10.1.3  Consultation with Accountants                                   19
  10.1.4  Discussions with Facility Participants                          19
  10.1.5  Representations and Warranties                                  20
  10.1.6  Conduct of Business                                             20
  10.1.7  Preservation of Assets, Relationships, Etc.                     20
  10.1.8  New Obligations                                                 20
  10.1.9  No Defaults or Events of Default                                20
  10.1.10  No Solicitations, Etc.                                         20
  10.1.11  Notification                                                   20
  10.1.12  Spare Parts                                                    20
10.2  Filings and Consents                                                20
10.3  Provision of Information                                            21
10.4  Further Assurances                                                  21
10.5  Termination                                                         21
  10.5.1  By Mutual Agreement                                             21
  10.5.2  By Buyer                                                        21
  10.5.3  By Seller                                                       21
  10.5.4  By Any Party                                                    21

ARTICLE 11 TAX MATTERS                                                    21

<PAGE>

11.1  Sales and Transfer Taxes                                            21
11.2  Income Tax Matters                                                  22
  11.2.1  Certain Income Tax Effects of the Transactions                  22

ARTICLE 12 MISCELLANEOUS                                                  22
12.1  Transaction Costs                                                   22
12.2  Entire Agreement                                                    22
12.3  Amendments                                                          22
12.4  Assignments                                                         22
12.5  Binding Effect                                                      22
12.6  Headings                                                            22
12.7  Notices                                                             22
12.8  Severability                                                        23
12.9  Waivers                                                             23
12.10  Enforcement Costs                                                  24
12.11  Remedies Cumulative                                                24
12.12  Counterparts                                                       24
12.13  Governing Law                                                      24
12.14  Preparation of Agreement                                           24
12.15  Survival                                                           24
12.16  Inducement to Transaction                                          24

ARTICLE 13 EXECUTION CLAUSE                                               25


<PAGE>

                 AGREEMENT TO PURCHASE MEMBERSHIP INTERESTS



     THIS AGREEMENT TO PURCHASE MEMBERSHIP INTERESTS (the "Agreement") is made 
and entered into as of June 11, 1997, between Indeck Maine Energy, L.L.C., a 
limited liability company organized under the laws of the State of Illinois 
(the "Seller"), and Ridgewood Maine, L.L.C., a limited liability company 
organized under the laws of the State of Delaware (the "Buyer"), with 
reference to the following recitals:  

                                RECITALS

     A.  Seller has been formed as a limited liability company under the laws 
of the State of Illinois;

     B.  The persons listed in Schedule 4.1 attached hereto own 100% of the 
outstanding membership interests in Seller (the "Existing Members"); 

     C.  Seller owns and operates all of the assets comprising the Facilities 
(as defined below).  Seller has contracted to provide electrical energy and 
capacity to the participants in NEPOOL (as defined below) pursuant to the 
Power Purchase Agreement (as defined below).  

     D.  At the closing described below, Buyer will acquire from Seller and 
Seller will sell to Buyer the Buyer's Membership Interest (as defined below).  

     NOW, THEREFORE, in consideration of the foregoing premises and the mutual 
covenants set forth below, the parties, intending to be legally bound, hereby 
agree as follows:

                                  ARTICLE I

                         DEFINITIONS AND INTERPRETATIONS

     1.1  Defined Terms.  Capitalized terms used in this Agreement without 
other definition shall have the meanings specified in this Section 1.1, unless 
the context requires otherwise.

     "Additional Consents and Notices" has the meaning set forth in Section 
4.6.

     "Affiliate" of a specified Person means any other Person that directly, 
or indirectly through one or more intermediaries, controls, is controlled by 
or is under common control with the Person specified.  For purposes of the 
foregoing, "control," "controlled by" and "under common control with," with 
respect to any Person, shall mean the possession, directly or indirectly, of 
the power to direct or cause the direction of the management and policies of 
such Person, whether through the ownership of voting securities or by contract 
or otherwise.

     "Agreement" means this Agreement, including all Exhibits and Schedules.

     "Buyer" has the meaning set forth in the Preamble.

<PAGE>

     "Buyer's Membership Interest" means the membership interest in Seller, 
which Buyer is purchasing pursuant to this Agreement, which interest is 
described more fully in the Operating Agreement.  

     "Buyer's Membership Interest Purchase Price" means an amount of Fourteen 
Million Dollars ($14,000,000).  

     "Closing" has the meaning set forth in Section 3.1.

     "Closing Date" has the meaning set forth in Section 3.1.

     "Closing Documents" means, collectively, this Agreement, the Operating 
Agreement and the Existing Members' Consent and Guaranty.  

     "Code" means the Internal Revenue Code of 1986, as amended, and all rules 
and regulations adopted thereunder.

     "Default" means, when used with reference to any agreement without other 
reference, any event or circumstances that, with the giving of notice or lapse 
of time, or both, would, unless cured or waived, become an Event of Default 
under such agreement.

     "Environmental Laws" means, collectively, all federal, state, local and 
other applicable laws, statutes and regulations, which in any way relates to 
health, safety or the environment, including without limitation the 
Comprehensive Environmental Response, Compensation, and Liability Act of 1980, 
as amended by the Superfund Amendments and Reauthorization Act of 1986, 42 
U.S.C. ( 9601 et seq.; the Solid Waste Disposal Act, as amended by the 
Resource Conservation and Recovery Act of 1976, as amended by the Solid and 
Hazardous Waste Amendments of 1984, 42 U.S.C. ( 6901 et seq.; the Federal 
Water Pollution Control Act, as amended by the Clean Water Act of 1977, 33 
U.S.C. ( 1251 et seq.; the Toxic Substances Control Act of 1976, 15 U.S.C. ( 
2601 et seq.; the Emergency Planning and Community Right-To-Know Act of 1986, 
42 U.S.C. ( 11001 et seq.; the Clean Air Act of 1966, as amended, 42 U.S.C. ( 
7401 et seq.; the National Environmental Policy Act of 1975, 42 U.S.C. ( 
4231; the Rivers and Harbours Act of 1899, 33 U.S.C. ( 401 et seq.; the 
Endangered Species Act of 1973, as amended, 16 U.S.C. ( 1531 et seq.; the 
Occupational Safety and Health Act of 1970, as amended, 29 U.S.C. ( 651 et 
seq.; the Safe Drinking Water Act of 1974, as amended, 42 U.S.C. ( 300(f) et 
seq.; the Hazardous Materials Transportation Act, 42 U.S.C. (( 1471, 1472, 
1655, 1801 et seq.; the Federal Insecticide, Fungicide & Rodenticide Act, 7 
U.S.C. ( 136 et seq.; and the Atomic Energy Act, 42 U.S.C. ( 3011 et seq.  

     "Event of Default" means, when used with reference to any agreement 
without other reference, an event of default or other similar event as 
defined, or pursuant to, the terms of such agreement.

<PAGE>

     "Existing Members" has the meaning set forth in the Recitals. 

     "Existing Members' Consent and Guaranty" means the consent and guaranty 
agreement executed by each of the Existing Members, in the form attached 
hereto as Exhibit A.

     "Facilities" means collectively the Jonesboro Facility and the West 
Enfield Facility.  

     "FERC" means the Federal Energy Regulatory Commission and its successors.

     "FPA" means the Federal Power Act, as amended, and all rules and 
regulations adopted thereunder.

     "GAAP" means generally accepted accounting principles in effect in the 
United States from time to time.

     "Governmental Approval" means any applicable authorization, approval, 
consent, license, lease, ruling, permit, tariff, certification, exemption, 
filing or registration by or with any Governmental Person.

     "Governmental Person" means any federal, state, local or other 
government, any political subdivision or any governmental, judicial, public or 
statutory instrumentality, tribunal, agency (including those pertaining to 
health, safety or the environment), authority, body or entity, or other 
regulatory bureau, authority, body or entity having legal jurisdiction over 
the matter or Person in question.

     "Governmental Rule" means any applicable federal, state, local or other 
law, statute, treaty, rule, regulation, ordinance, order, code, judgment, 
decree, directive, injunction, writ or similar action or decision duly 
implementing any of the foregoing by any Governmental Person, but does not 
include Governmental Approvals.

     "Governmental Consents and Notices" has the meaning set forth in Section 
4.5.

     "HSR Act" means the Hart-Scott-Rodino Antitrust Improvements Act of 1976, 
as amended, and all of the rules and regulations thereunder.

     "Jonesboro Facility" means the approximately 24.5 megawatt biomass fired 
electrical generating facility which is located in Jonesboro, Maine, and which 
is owned by Seller.  

     "Knowledge," "known" and "knows," whether or not capitalized herein and 
when used with respect to matters covered by representation, warranty, 
covenant or other provision of this Agreement applicable to Seller, means the 
knowledge and beliefs of each of Thomas M. Campone, but without any 
independent investigation. 

<PAGE>

     "Lien" means any lien, mortgage, encumbrance, charge, pledge, lease, 
security interest, claim, option or right of any kind (including any 
conditional sale or other title retention agreement).

     "MPUC" means the Maine Public Utilities Commission and its successors. 

     "NEPOOL" means the New England Power Pool.

     "Operating Agreement" means the Amended and Restated Operating Agreement 
of Seller by and among each of the Existing Members and Buyer (in the form 
attached to this Agreement as Exhibit B), which amends and restates the 
Operating Agreement dated as of April 1, 1997 among the Existing Members.
                                                                 
     "Permits" has the meaning set forth in Section 5.6.

     "Person" means any individual, corporation, partnership, trust, joint 
venture, unincorporated association, limited liability company, Governmental 
Person or other entity.

     "Power Purchase Agreement" means that certain Agreement dated May __, 
1997 between Seller and the NEPOOL Participants referred to therein pursuant 
to which Seller agrees to provide electrical energy and capacity.

     "Project Documents" has the meaning set forth in Section 5.4.

     "PUHCA" means the Public Utility Holding Company Act of 1935, as amended, 
and all rules and regulations adopted thereunder.

     "PURPA" means the Public Utility Regulatory Policies Act of 1978, as 
amended, and all rules and regulations adopted thereunder.

     "Qualifying Facility" means a "qualifying facility" within the meaning of 
PURPA.
     
     "Securities Act" means the Securities Act of 1933, as amended, and all 
rules and regulations adopted thereunder.

     "Seller" has the meaning set forth in the Preamble.

     "Seller Assets" means all of the assets and rights of any kind or 
character owned or leased or otherwise benefiting Seller including (i) the 
Sites, and all easements, rights of way and other similar rights in which 
Seller has any interest, (ii) the Facilities and related fixtures, 
improvements, equipment and other assets located on the Sites, (iii) the Power 
Purchase Agreement and all of the other Project Documents, (iv) the Permits, 
and (v) all of the tangible and intangible personal, real, mixed and other 
property and assets of any kind owned or leased by Seller or in which Seller 
has any right or interest.  

<PAGE>

     "Site" means with respect to the Jonesboro Facility, the land described 
on Schedule 1.1(a), and with respect to the West Enfield Facility, the land 
described on Schedule 1.1(b).

     "Tax Liabilities" means all income, excise, sales, unemployment, employer 
and employee withholding, social security, occupation, franchise, customs and 
other taxes, duties or charges levied, assessed or imposed upon Seller, during 
any portion of the taxable year of Seller ending on the Closing Date or that 
accrued or are attributable to any portion of the taxable year of Seller 
ending on the Closing Date.

     "Tax Returns" has the meaning set forth in Section 5.14.

     "West Enfield Facility" means the approximately 24.5 megawatt biomass 
fired electrical generating facility which is located in West Enfield, Maine, 
and which is owned by Seller.


     1.2  Interpretations.  For purposes of this Agreement, except as 
otherwise expressly provided or unless the context otherwise necessarily 
requires:

          1.2.1  the terms "herein," "herewith" and "hereof" are references to 
this Agreement, taken as a whole;

          1.2.2  the terms "include," "includes" and "including" shall mean 
"including, without limitation";

          1.2.3  references to a "Section," "Article," "Exhibit" or "Schedule" 
shall mean a Section, Article, Exhibit or Schedule of this Agreement, as the 
case may be;

          1.2.4  references to a given agreement, instrument or other document 
shall be a reference to that agreement, instrument or other document as 
modified, amended, supplemented and restated through the date as of which such 
reference is made;

          1.2.5  references to a Person includes its permitted successors and 
permitted assigns;

          1.2.6  the singular shall include the plural and the masculine shall 
include the feminine and neuter, and vice versa;

          1.2.7  reference to a given Governmental Rule is a reference to that 
Governmental Rule as amended, modified, supplemented or restated as of the 
date on which the reference is made; and

          1.2.8  accounting terms have the meaning given to them by GAAP 
applied on a consistent basis by the Person to which they relate. 

<PAGE>

                                 ARTICLE 2

             SALE AND PURCHASE OF BUYER'S MEMBERSHIP INTEREST;

                               PURCHASE PRICE

     2.1  Sale of Buyer's Membership Interest.  Upon the terms and subject to 
the conditions of this Agreement, at the Closing Seller shall sell and Buyer 
shall purchase Buyer's Membership Interest.  

     2.2  Manner of Payment.  At the Closing, Buyer shall pay Buyer's 
Membership Interest Purchase Price in the manner specified in Article 3.

                                ARTICLE 3

                   CLOSING DATE AND ACTIONS AT CLOSING

     3.1  Closing Date.  Subject to the other provisions of this Agreement, 
the closing of the transactions contemplated by this Agreement (the "Closing") 
shall be held at the offices of the Seller, 1130 Lake Cook Road, Suite 300, 
Buffalo Grove, Illinois  60089, at 10:00 a.m., local time, on July 1, 1997, or 
on such other date and at such other place as may be mutually agreed upon by 
the parties.  The date of the Closing is sometimes referred to herein as the 
"Closing Date."

     3.2  Actions at Closing.  In addition to, and without limiting any other 
provisions of this Agreement, Seller and Buyer shall take the following 
actions or cause the following actions to be taken at the Closing: 

          3.2.1  Delivery of Closing Documents.  Seller, Buyer, and, to the 
extent required, the Existing Members shall execute and deliver the Closing 
Documents and any other certificates, instruments, or agreements necessary to 
effect the transactions contemplated in this Agreement. 

          3.2.2  Payment of Buyer's Membership Interest Purchase Price.  Buyer 
shall pay, or cause to be paid to Seller, Buyer's Membership Interest Purchase 
Price by wire transfer or other credit of immediately available funds to an 
account designated by Seller.

     3.3  Additional Actions.  Seller and Buyer shall, on request, on and 
after the Closing Date, take such further actions as may be requested pursuant 
to Section 10.4.

                                ARTICLE 4

                      REPRESENTATIONS AND WARRANTIES

                RELATING TO SELLER, ITS MEMBERS AND AFFILIATES

     Seller hereby represents and warrants to Buyer (regardless of any 
examinations, inspections, audits or other investigations Buyer has heretofore 
made or may hereafter make with respect to such representations and 
warranties) as of the Closing Date as follows:

<PAGE>

     4.1  Due Organization.  Seller is a limited liability company duly 
organized, validly existing and in good standing under the laws of the State 
of Illinois and is qualified to transact business in the State of Maine and 
all other jurisdictions where the activities of Seller require Seller to be so 
qualified.  There are no dissolution, winding-up or similar proceedings 
pending, or, to the knowledge of Seller, threatened against Seller or any of 
its members or affiliates.  Schedule 4.1 attached sets forth the name and 
address of each member of Seller and a brief description of the membership 
interest held by such Person. 

     4.2  Power and Authority.  Seller has full power and authority to enter 
into and perform its obligations hereunder and under the Closing Documents to 
which it is or will be a party and to consummate the transactions herein and 
therein contemplated in accordance with the terms, provisions and conditions 
hereof and thereof.  All proceedings required to be taken by Seller to 
authorize it to execute, deliver and perform the terms of this Agreement and 
the other Closing Documents to which it is or will be a party have been duly 
and validly taken.

     4.3  Valid, Binding and Enforceable Obligations.  Each of this Agreement 
and the other Closing Documents to which Seller is or will be a party has 
been, or will be on the Closing Date, as the case may be, duly and validly 
executed by Seller and constitutes, or will constitute when executed, a valid, 
binding, and enforceable obligation, enforceable against Seller in accordance 
with its terms, except as such enforceability may be limited by applicable 
bankruptcy, insolvency, reorganization, moratorium or similar laws affecting 
creditors' rights and the enforcement of debtors' obligations generally and by 
general principles of equity, regardless of whether enforcement is pursuant to 
a proceeding in equity or at law.

     4.4  No Violations.  The execution and delivery by Seller of this 
Agreement and the other Closing Documents to which it is or will be a party, 
and Seller's consummation of the transactions contemplated hereby and thereby 
will not (a) violate the organizational documents of Seller, (b) violate or 
constitute a Default or Event of Default under, or cause or permit the 
acceleration of the maturity of, or give rise to any right of termination, 
cancellation, imposition of fees or penalties under, any debt, obligation, 
contract, commitment of fees or other agreement to which Seller is a party or 
by which any of the properties or assets of Seller is or may be bound, (c) 
result in the creation or imposition of any Lien upon any of the property or 
assets of Seller, or under any debt, obligation, contract, commitment or other 
agreement to which Seller is a party or by which any of its properties or 
assets is or may be bound, or (d) violate any Governmental Rule.

     4.5  Governmental Consents and Notices.  Except for the Governmental 
Approvals set forth on Schedule 4.5 (collectively, the "Governmental Consents 
and Notices"), no Governmental Approval is necessary or appropriate in 
connection with the execution and delivery by Seller of this Agreement and the 
other Closing Documents, or the consummation by Seller of the transactions 
contemplated hereby and thereby, including the issuance of Buyer's Membership 
Interest to Buyer.  Except as expressly described on Schedule 4.5, all of the 
Governmental Consents and Notices have been duly obtained or made and none has 
been revoked or rescinded or has expired.  Without limiting the generality of 
the preceding 

<PAGE>

provisions of this Section 4.5, no consent, approval or filing is required 
under or in connection with the HSR Act in connection with the transactions 
contemplated by this Agreement.

     4.6  Additional Consents and Notices.  Except for the consents, notices 
and other items set forth on Schedule 4.6 (collectively, the "Additional 
Consents and Notices"), no filing, registration, qualification, notice, 
consent, approval or authorization to, with or from any Person (excluding 
Governmental Persons) is necessary or appropriate in connection with the 
execution and delivery by Seller of this Agreement and the other Closing 
Documents, or the consummation by Seller of the transactions contemplated 
hereby and thereby, including the issuance of Buyer's Membership Interest to 
Buyer.  Except as expressly described on Schedule 4.6, all of the Additional 
Consents and Notices have been duly obtained or made and none has been revoked 
or rescinded or has expired.

     4.7  Membership Interests.  Schedule 4.1 sets forth the name, address and 
membership interest of each of the Existing Members.  No other party has any 
rights to acquire or otherwise holds any interest in or has any rights with 
respect to any ownership, membership or participating interest in Seller.  
Buyer's Membership Interest to be issued to Buyer on the Closing Date shall be 
free and clear of all Liens (except to the extent created by or through 
Buyer).

     4.8  Bankruptcy.  Neither Seller nor any of its Affiliates or members has 
filed any voluntary petition in bankruptcy or been adjudicated a bankrupt or 
insolvent, filed any petition or answer seeking any reorganization, 
liquidation, dissolution or similar relief under any federal bankruptcy, 
insolvency, or other debtor relief law, or sought or consented to or 
acquiesced in the appointment of any trustee, receiver, conservator or 
liquidator of all or any part of its properties.  No court of competent 
jurisdiction has entered an order, judgment or decree approving a petition 
filed against Seller or any of its Affiliates or members seeking any 
reorganization, arrangement, composition, readjustment, liquidation, 
dissolution or similar relief under any federal bankruptcy act, or other 
debtor relief law, and no other liquidator has been appointed of Seller nor 
any of its Affiliates or members or of all or any part of their respective 
properties.

     4.9  Business of Seller.  Seller is not engaged in any business or 
activities other than the development, ownership, operation and maintenance of 
the Facilities and matters incidental thereto.  Without limiting the 
generality of the foregoing, Seller (a) does not own any capital stock, 
partnership interest or other interest of any type, directly or indirectly, in 
any other corporation, partnership or other Person, (b) does not conduct any 
business other than the business contemplated by the Project Documents to 
which it is a party and (c) is not a party to and is not bound by any 
contract, agreement, instrument or other document other than the Project 
Documents to which it is a party.  

<PAGE>

     4.10  Utility Status.  Neither Seller nor any of its members or 
Affiliates is 

          (a) (i) a "public utility company" or a "holding company" or (ii) a 
"subsidiary company", "affiliate" or "associate company" of a "public utility 
company or "holding company", all within the meaning of PUHCA; 

          (b) a "public utility" under the FPA; or 

          (c) a public utility company, public service company or other 
similar company under any applicable state law regulating entities engaged in 
the business of distributing and/or selling electric energy.  

     4.11  Adequacy of the Seller Assets.  The Seller's Assets constitute all 
of the land, buildings, equipment, spare parts, inventories, interconnection 
and transmission agreements, permits, franchises and other legal rights which 
are required by the Project Documents or which are otherwise necessary or 
advisable to enable the Seller to lawfully perform all of its obligations 
under the Power Purchase Agreement. in the ordinary course.  Each of the 
Facilities has successfully completed all start up or testing procedures 
required by the Power Purchase Agreement, and each of the Facilities commenced 
commercial operation by delivery of capacity and energy under the Power 
Purchase Agreement on June 11, 1997, and have remained in commercial operation 
through the Closing Date.  

     4.12  No Undisclosed Liabilities.  As of the Closing Date, Seller has no 
liabilities or obligations of any nature (whether accrued, absolute, fixed or 
unfixed, known or unknown, asserted or unasserted, contingent, by guaranty, 
surety or assumption or otherwise) other than:

          (a)  liabilities or obligations arising under the Project Documents 
since June 11, 1997;

          (b)  liabilities or obligations incurred in the ordinary course of 
operations since June 11, 1997 (such as amounts due or accrued for operator 
expenses, fuel purchases and other operating expenses);

          (c)  contingent liabilities or obligations which may arise under 
Environmental Laws and other rules, regulations and statutes of general 
application, provided, however that to the knowledge of Seller, except to the 
extent disclosed in the Phase I Environmental Assessments prepared by GZA 
GeoEnvironmental, Inc. for each of the Facilities dated September 1996, there 
exists no facts or circumstances which could reasonably be expected to subject 
Seller to any material liability with respect thereto.

<PAGE>

                               ARTICLE 5

                REPRESENTATIONS AND WARRANTIES RELATING TO

                            THE FACILITIES

     Seller hereby represents and warrants to Buyer (regardless of any 
examinations, inspections, audits or other investigations Buyer has heretofore 
made or may hereafter make with respect to such representations and 
warranties) as of the Closing Date as follows:

     5.1  No Litigation.  There are no actions, suits or proceedings of any 
type relating to Seller or the Facilities pending or, to Seller's knowledge, 
threatened, against Seller or any of its Affiliates or members or any of their 
respective properties or business, whether at law or in equity, including 
actions, suits, or proceedings before or by any federal, state, municipal or 
other court or governmental department, commission, board, bureau, agent, 
instrumentality or other Governmental Person.  Seller has no knowledge of any 
state of facts or contemplated event which may reasonably be expected to give 
rise to any such action, suit or proceeding.  Neither Seller nor any of its 
Affiliates or members is operating under, or subject to, or in default with 
respect to, any order, writ, injunction or decree of any Governmental Person 
with respect to the business of Seller or the Facilities.

     5.2  Qualifying Facility Matters.  Each of the Facilities is an 
electrical generating facility that has been certified by the FERC as a 
Qualifying Facility, and is in compliance in all respects with all technical 
and ownership requirements contained in all applicable FERC and MPUC rules and 
regulations.

     5.3  Seller's Assets.

          5.3.1  Real Property Rights; Title Insurance.  Schedule 5.3.1 is a 
complete and accurate list of (i) all real property owned or leased by Seller 
and of all easements, rights of way, rights of interconnection and other 
similar agreements in which Seller has any rights, and (ii) all title 
insurance policies and similar insurance policies issued to Seller relating to 
any of the property described in preceding clause (i) or relating to the 
fixtures and improvements affixed thereto.  

          5.3.2  Title to Seller Assets.  Except as described on Schedule 
5.3.2, Seller has good, valid and marketable title to the Sites, free and 
clear of all Liens, and Seller has good and indefeasible title to the 
remainder of the Facilities and all of the other Seller Assets, free and clear 
of all Liens, in each case subject to customary and routine exceptions 
normally found in title insurance policies.  All of the Liens disclosed on 
Schedule 5.3.2 will be discharged by Seller (or by the Members of Seller other 
than the Buyer) on or before the Closing Date.  

<PAGE>

     5.4  Project Documents.

          5.4.1  Set forth on Schedule 5.4 is a true, correct and complete 
list and brief description of all material agreements, contracts, instruments, 
licenses, permits and franchises, including all amendments thereto relating to 
Seller or either of the Facilities, or to which Seller or either of the 
Facilities are subject (collectively, the "Project Documents").  A true, 
correct and complete copy of each of the Project Documents including all 
amendments, supplements, exhibits and schedules, if any, thereto has been 
delivered to Buyer.

          5.4.2  The Power Purchase Agreement has not been modified, 
supplemented, amended, waived or terminated in any respect whatsoever, and 
none of the other Project Documents has been modified, supplemented, amended, 
waived or terminated in any material respect, in any such case whether orally 
or in writing, except by means of another Project Document.

          5.4.3  Each of the Project Documents constituting an agreement, 
contract, instrument or other similar document (including the Power Purchase 
Agreement) (a) has been duly authorized, executed and delivered by Seller, and 
to Seller's knowledge, by each of the other parties thereto, (b) except to the 
extent fully performed in accordance with its terms, is in full force and 
effect, and (c) to Seller's knowledge, is a valid obligation of such other 
parties enforceable in accordance with its terms, except as may be limited by 
applicable bankruptcy, insolvency, reorganization, moratorium or other laws of 
general application referring to or affecting enforcement of creditor's rights 
and general principles of equity.

          5.4.4  No Default or Event of Default on the part of Seller has 
occurred and is continuing under any Project Document (including the Power 
Purchase Agreement), and Seller has not received notice, oral or written, that 
a Default or Event of Default on the part of any other Person has occurred 
thereunder or that any Person has alleged or asserted any such Default or 
Event of Default by an Person.

     5.5  No Employees, Etc.  Seller has no employees, nor does it have any 
obligation to make contributions to any compensation, bonus, health, sick pay, 
disability, vacation pay, group-term life insurance, dependant care 
assistance, accidental death and dismemberment insurance, severance, employee 
welfare, pension, profit sharing, retirement or other employee benefit plans, 
funds, programs or arrangements. 

     5.6  Permits.  The Governmental Approvals listed on Schedule 5.6 
(collectively, the "Permits") constitute, all of the material Governmental 
Approvals which are necessary or appropriate in connection with the ownership, 
use, operation and maintenance of the Facilities and the conduct of Seller's 
business and activities.  Each Permit has been duly and validly issued, or 
transferred, to Seller, and is in full force and effect, and all rights and 
entitlements thereunder are vested exclusively in Seller.  Seller has not 
received any notice that Seller has committed any act or failed to act in any 
manner or under any circumstances which could result in the revocation or 
suspension of any Permit or in any other disciplinary action relating 

<PAGE>

thereto.  The consummation of the transactions provided for in this Agreement 
and the other Closing Documents will not violate any of the terms or 
provisions of the Permits or impose any material obligation on Seller.  Seller 
has no reason to believe that any of such Permits will not be renewed upon 
their natural expiration in the ordinary course of business upon compliance 
with normal and customary renewal procedures applicable to the respective 
Permit.

     5.7  General Legal Compliance.  Except as disclosed on Schedule 5.7 or 
5.8, Seller and the Facilities are in compliance in all material respects with 
all Governmental Rules applicable to Seller and/or the Facilities, as the case 
may be, and with all Permits, including all Governmental Rules applicable to 
the conduct of Seller's business and activities and to the construction, 
ownership, operation, maintenance and use of the Facilities.

     5.8  Environmental Legal Compliance.  Without limiting the generality of 
Section 5.7, and except as disclosed on Schedule 5.8, (a) Seller and each of 
the Facilities and the Sites are in compliance in all material respects with 
all Environmental Laws, and (b) there has not been (whether prior to, or in 
connection with, the construction, fuel supply, power generation and 
transmission, waste disposal, and other operations and processes relating to 
the Facilities or otherwise) any release, emission, seepage, disposal, spill 
or discharge at or to the Sites or its environments, whether onto or into the 
ground, water, air or otherwise, of any petroleum products or of any substance 
considered a hazardous or toxic substance that would give rise to liability to 
the owner or operator of the Facilities under any Environmental Law, and to 
the best of knowledge of Seller, none is reasonably expected to occur 
imminently, other than those which (i) are not material, (ii) are permitted 
under all applicable Environmental Laws and Permits, (iii) occur in the normal 
course of the operation of the Facilities or (iv) have not had and are not 
reasonably expected to have any material adverse impact on Seller or the 
Facilities.

     5.9  Insurance.  Schedule 5.9 contains a list and description of all 
insurance policies of any type which are held by Seller (or its Affiliates or 
members which relate to Seller or the Facilities) specifying the insurer, 
amount of coverage, type of insurance, policy number and any pending claims 
thereunder.  Except as disclosed on Schedule 5.9, no claim of any type has 
been made under any of such policies.

     5.10  Utilities.  All utility services necessary for the operation of the 
Facilities are available at the boundaries of their respective Sites, 
including water supply, sanitary and storm sewer facilities, and gas, electric 
and telephone facilities.

     5.11  Facility Construction and Condition.  Each of the Facilities is 
operating substantially as designed, all of Seller Assets are in good 
operating condition, maintenance and repair (subject only to normal wear and 
tear) and there are no material design or other material defects in the 
Facilities or any other Seller Asset.

<PAGE>

     5.12  Securities Laws. Based upon and provided that the representations 
of Buyer in Sections 6.7 and 6.8 are true and correct, the sale of Buyer's 
Membership Interest is not required to be registered pursuant to the 
Securities Act, or applicable state securities laws or regulations.

     5.13  Brokers.  Neither this Agreement nor the consummation of the 
transactions contemplated hereby was induced by or procured through any Person 
acting on behalf of, or representing, either Seller, its members or any of 
their respective Affiliates as a broker, finder, investment banker, financial 
advisor or in any similar capacity.

     5.14  Tax Returns.  Seller has properly, accurately and timely completed 
and filed all federal, state and local tax returns and reports, declarations 
and information returns ("Tax Returns") required to be filed on or before the 
Closing Date by or on behalf of Seller or the Facilities, and has withheld and 
paid over all amounts shown as due on such returns, as well as other due and 
payable charges, assessments and governmental charges of which Seller has 
knowledge.  Prior to the Closing Date, Seller is classifiable as a 
partnership, and not as an association taxable as a corporation under Section 
7701 of the Code and the regulations promulgated thereunder, and has been 
taxed as a partnership for federal income tax purposes under subchapter "K" of 
the Code.  No Tax Returns of Seller have been audited by any federal, state or 
local taxing authorities.  

                                     ARTICLE 6

                       BUYER'S REPRESENTATIONS AND WARRANTIES

     Buyer hereby represents and warrants to Seller (regardless of any 
examinations, inspections, audits or other investigations Seller has 
heretofore made or may hereafter make with respect to such representations and 
warranties) as of the Closing Date as follows:  

     6.1  Due Organization.  Buyer is a Delaware limited liability company, 
duly organized, and validly existing under the laws of the State of Delaware, 
and is qualified to transact business in all jurisdictions where the ownership 
of its properties or its operations require such qualification, except where 
the failure to so qualify would not have a material adverse effect on its 
financial condition, its ability to own its properties or transact its 
business, or to carry out the transactions contemplated hereby.

     6.2  Power and Authority.  Buyer has full limited liability company power 
and authority to enter into and perform its obligations hereunder and under 
the other Closing Documents to which it is or will be a party and to 
consummate the transactions herein and therein contemplated in accordance with 
the terms, provisions and conditions hereof and thereof.  All limited 
liability company proceedings required to be taken by Buyer to authorize it to 
execute, deliver and perform the terms of this Agreement and the other Closing 
Documents to which it is or will be a party have been duly and validly taken.

<PAGE>

     6.3  Valid, Binding and Enforceable Obligations.  Each of this Agreement 
and the other Closing Documents to which Buyer is or will be a party has been, 
or will be on the Closing Date, as the case may be, duly and validly executed 
by Buyer and constitutes, or will when executed constitute, a valid, binding, 
and enforceable obligation, enforceable against Buyer in accordance with its 
terms, except as such enforceability may be limited by applicable bankruptcy, 
insolvency, reorganization, moratorium or similar laws affecting creditors' 
rights and the enforcement of debtors' obligations generally and by general 
principles of equity, regardless of whether enforcement is pursuant to a 
proceeding in equity or at law.

     6.4  No Violations.  The execution and delivery by Buyer of this 
Agreement and the other Closing Documents to which it is or will be a party, 
and Buyer's consummation of the transactions contemplated hereby and thereby 
will not (a) violate or be in conflict with the organizational documents of 
Buyer, (b) violate, be in conflict with, or constitute a Default or Event of 
Default under, or cause or permit the acceleration of the maturity of, or give 
rise to any right of termination, cancellation, imposition of fees or 
penalties under, any debt, obligation, contract, commitment of fees or other 
agreement to which Buyer is a party or by which any of the properties or 
assets of Buyer is or may be bound, (c) result in the creation or imposition 
of any Lien upon any of the property or assets of Buyer, or under any debt, 
obligation, contract, commitment or other agreement to which Buyer is a party 
or by which any of the properties or assets is or may be bound, or (d) violate 
any Governmental Rule.

     6.5  Bankruptcy.  Buyer has not filed any voluntary petition in 
bankruptcy or been adjudicated a bankrupt or insolvent, filed any petition or 
answer seeking any reorganization, liquidation, dissolution or similar relief 
under any federal bankruptcy, insolvency, or other debtor relief law, or 
sought or consented to or acquiesced in the appointment of any trustee, 
receiver, conservator or liquidator of all or any substantial part of its 
properties.  No court of competent jurisdiction has entered an order, judgment 
or decree approving a petition filed against Buyer seeking any reorganization, 
arrangement, composition, readjustment, liquidation, dissolution or similar 
relief under any federal bankruptcy act, or other debtor relief law, and no 
other liquidator has been appointed of Buyer or of all or any substantial part 
of its properties.

     6.6  No Litigation.  There are no actions, suits or proceedings of any 
type pending or, to Buyer's knowledge, threatened, against Buyer or any of its 
properties or business, whether at law or in equity, before or by Governmental 
Person.  Buyer has no knowledge of any state of facts or contemplated event 
which may reasonably be expected to give rise to any such action, suit or 
proceeding.  Buyer is not operating under, or subject to, or in default with 
respect to, any order, writ, injunction or decree of any Governmental Person.

     6.7  Investment Intent.  Buyer is acquiring Buyer's Membership Interest 
solely for the purpose of investment and not with a view to, or for sale in 
connection with, any distribution thereof.  Buyer acknowledges that Buyer's 
Membership Interest is not registered under the Securities Act and that 
Buyer's Membership Interest may not be transferred or sold except in 

<PAGE>

compliance with the registration provisions of the Securities Act or pursuant 
to an applicable exemption therefrom and in compliance with applicable state 
securities laws and regulations.

     6.8  Accredited Investor. Buyer is an "accredited investor" as defined in 
Rule 501 of the Securities Act and is a sophisticated investor with the 
capability of evaluating the merits and risks of entering into this Agreement 
and the consummation of the transactions contemplated hereby.  Further, Buyer 
confirms that: (a)  Seller has provided to Buyer full access to Seller's books 
and records and to Seller's personnel which are familiar with the operations 
of the Facilities, (b) Buyer has had the opportunity to question Seller's 
personnel and that all such inquiries have been answered to Buyer's 
satisfaction, and (c) no representations have been made by Seller or its 
Affiliates except as set forth herein or in the documents being delivered in 
connection with the consummation of the transactions contemplated hereby. 

     6.9  Brokers' Fees.  Neither this Agreement nor the consummation of the 
transactions contemplated hereby was induced by or procured through any Person 
acting on behalf of, or representing, Buyer or any of its Affiliates as a 
broker, finder, investment banker, financial advisor or in any similar 
capacity, except Monhegan Partners, pursuant to a separate agreement for which 
Buyer is solely responsible.

     6.10  HSR Act.  No consent, approval or filing is required under or in 
connection with the HSR Act in connection with the transactions contemplated 
by this Agreement.

     6.11  Utility Status.  Neither Buyer nor any of its members or Affiliates 
is 

          (a) (i) a "public utility company" or a "holding company" or (ii) a 
"subsidiary company", "affiliate" or "associate company" of a "public utility 
company or "holding company", all within the meaning of PUHCA; 

          (b) a "public utility" under the FPA; or 

          (c) a public utility company, public service company or other 
similar company under any applicable state law regulating entities engaged in 
the business of distributing and/or selling electric energy.  

                                       ARTICLE 7

                     CONDITIONS PRECEDENT TO BUYER'S OBLIGATIONS

     The obligation of Buyer to consummate the transactions contemplated 
hereby shall be subject to the fulfillment to the satisfaction of, or waiver 
by, Buyer, in its sole discretion, of each of the following conditions on or 
prior to the Closing:

     7.1  No Termination.  This Agreement shall not have been terminated 
pursuant to Section 10.5 hereof.

<PAGE>

     7.2  Representations True and Correct; Certificate.  The representations 
and warranties of Seller contained in this Agreement shall be true and correct 
in all material respects on and as of the Closing Date with the same force and 
effect as if made on and as of the Closing Date, and Seller shall have 
executed and delivered to Buyer an officer's certificate confirming the same.

     7.3  Compliance with Covenants; Certificate.  Seller shall have performed 
and complied with all covenants, agreements and conditions required by this 
Agreement to be performed or complied with by it prior to or on the Closing 
Date, and Seller shall have executed and delivered to Buyer an officer's 
certificate confirming the same.

     7.4  No Adverse Proceedings.  On the Closing Date, no action or 
proceeding shall be pending by any public authority or private individual or 
entity before any court or administrative body to restrain, enjoin or 
otherwise prevent the consummation of this Agreement or the transactions 
contemplated hereby or to recover any damages or obtain other relief as a 
result of the transactions proposed hereby.

     7.5  Proceedings Satisfactory.  All proceedings to be taken in connection 
with the consummation of the transactions contemplated by this Agreement and 
all documents incident thereto, shall be reasonably satisfactory in form and 
substance to Buyer and its counsel, and Buyer and its counsel shall have 
received copies of such documents and customary certificates as Buyer and its 
counsel may reasonably request in connection therewith.

     7.6  No Adverse Changes.  There shall have been no material adverse 
change in the position, financial or otherwise, or the assets, liabilities or 
results of operations of Seller or the Facilities other than in the ordinary 
course of business or as permitted or contemplated by this Agreement, nor 
shall the business, assets and properties of Seller or the Facilities have 
been materially and adversely affected in any way as a result of fire, 
explosion, earthquake, disaster, accident, flood, riot, civil disturbance, 
uprising, activity of armed forces, or act of God or public enemy, whether or 
not covered by applicable insurance.

     7.7  Consents and Notices.  All Governmental Consents and Notices, 
Additional Consents and Notices and other consents or notices required to be 
obtained from or made to any Person shall have been duly obtained, made or 
provided, as the case may be, and shall be in full force and effect.

     7.8  Legal Opinion.  Buyer shall have received from Pierce Atwood, legal 
counsel to Seller, opinions as to the authorization, delivery and performance 
of the Closing Documents and the other acts to be performed by Seller at the 
Closing in form reasonably acceptable to Buyer and its counsel.

     7.9  Execution and Delivery of Closing Documents.  This Agreement and 
each of the other Closing Documents shall have been duly authorized, executed 
and delivered by the parties thereto and shall be in full force and effect on 
the Closing Date without any material 

<PAGE>

Default or Event of Default having occurred or existing thereunder or material 
breach thereof or circumstance which would give any party thereto the right to 
terminate any such Closing Document.

     7.10  No Violations.  The consummation of the transactions contemplated 
hereby and by the other Closing Documents shall not violate any Governmental 
Rule.

     7.11  Closing Actions.  Each of the actions required to be taken pursuant 
to Section 3.2 or otherwise to effect the transactions contemplated hereby 
shall have been duly performed and complied with, and Buyer shall have 
received satisfactory evidence of any and all such actions.

     7.12  Seller Documents.  Buyer shall have received (i) a copy of the 
fully executed Operating Agreement (in the form in effect prior to the Closing 
Date), (ii) a certified copy of the Certificate of Organization issued by the 
Illinois Secretary of State, and (iii) evidence as to the good standing of 
Seller in the States of Illinois and Maine.

                                    ARTICLE 8

               CONDITIONS PRECEDENT TO SELLER'S OBLIGATIONS

     The obligation of Seller to consummate the transactions contemplated 
hereby shall be subject to the fulfillment to the satisfaction of, or waiver 
by, Seller, in its sole discretion, of each of the following conditions on or 
prior to the Closing:

     8.1  No Termination.  This Agreement shall not have been terminated 
pursuant to Section 10.5 hereof.

     8.2  Representations True and Correct; Certificate.  The representations 
and warranties of Buyer contained in this Agreement shall be true and correct 
in all material respects on and as of the Closing Date with the same force and 
effect as if made on and as of the Closing Date, and Buyer shall have executed 
and delivered to Seller an officer's certificate confirming the same.

     8.3  Compliance with Covenants; Certificate.  Buyer shall have performed 
and complied with all covenants, agreements and conditions required by this 
Agreement to be performed or complied with by it prior to or on the Closing 
Date, and Buyer shall have executed and delivered to Seller an officers' 
certificate confirming the same.

     8.4  No Adverse Proceedings.  On the Closing Date, no action or 
proceeding shall be pending by any public authority or private individual or 
entity before any court or administrative body to restrain, enjoin or 
otherwise prevent the consummation of this Agreement or the transactions 
contemplated hereby or to recover any damages or obtain other relief as a 
result of the transactions proposed hereby.

<PAGE>

     8.5  Proceedings Satisfactory.  All proceedings to be taken in connection 
with the consummation of the transactions contemplated by this Agreement and 
all documents incident thereto, shall be reasonably satisfactory in form and 
substance to Seller and its counsel, and Seller and its counsel shall have 
received copies of such documents and customary certificates as Seller and its 
counsel may reasonably request in connection therewith.  

     8.6  Consents and Notices.  All Governmental Consents and Notices, 
Additional Consents and Notices and other consents or notices required to be 
obtained from or made to any Person shall have been duly obtained, made or 
provided, as the case may be, and shall be in full force and effect.

     8.7  Legal Opinion.  Seller shall have received from Downs Rachlin & 
Martin, PC, opinions as to the authorization, delivery and performance of the 
Closing Documents and the other acts to be performed by Buyer at Closing in 
form reasonably acceptable to Seller and its counsel.

     8.8  Execution and Delivery of Closing Documents.  This Agreement and 
each of the other Closing Documents shall have been duly authorized, executed 
and delivered by the parties thereto and shall be in full force and effect on 
the Closing Date without any material Default or Event of Default having 
occurred or existing thereunder or material breach thereof or circumstance 
which would give any party thereto the right to terminate any such Closing 
Document.

     8.9  No Violations.  The consummation of the transactions contemplated 
hereby and by the other Closing Documents shall not violate any Governmental 
Rule.

     8.10  Closing Actions.  Each of the actions required to be taken pursuant 
to Section 3.2 or otherwise to effect the transactions contemplated hereby, 
including the payment of the Buyer's Membership Interest Purchase Price, shall 
have been duly performed and complied with, and Seller shall have received 
satisfactory evidence of any and all such actions.


                                       ARTICLE 9

                                   INDEMNIFICATION

     9.1  Indemnification by Seller.  As Buyer's sole monetary remedy for any 
breach of this Agreement by Seller, Seller shall to the maximum extent not 
prohibited by law, indemnify, defend and hold harmless Buyer and all of its 
Affiliates, shareholders, partners, members, investors, directors, officers, 
employees, agents and assignees, from and against any and all losses, 
liabilities, damages, claims or expenses (including reasonable attorneys' fees 
and expenses) suffered or incurred to third parties by any such party by 
reason of or resulting from the inaccuracy of any representation or warranty 
or the breach, nonfulfillment or nonperformance of any covenant or agreement 
of Seller under this Agreement or any other Closing Document.  Notwithstanding 
the foregoing, Seller shall not be obligated to indemnify with respect to any 
claim unless and until the aggregate amount claimed equals or exceeds 

<PAGE>

$250,000, in which case Seller's indemnity obligation shall include such 
$250,000 amount.  In no event shall Seller's liability hereunder exceed 
Buyer's Membership Interest Purchase Price. 

     9.2  Indemnification by Buyer.  As Seller's sole monetary remedy for any 
breach of this Agreement by Buyer, Buyer shall to the maximum extent not 
prohibited by law, indemnify, defend and hold harmless Seller and all of its 
Affiliates, shareholders, partners, members, investors, directors, officers, 
employees, agents and assignees, from and against any and all losses, 
liabilities, damages, claims or expenses (including reasonable attorneys' fees 
and expenses) suffered or incurred to third parties by any such party by 
reason of or resulting from the inaccuracy of any representation or warranty 
or the breach, nonfulfillment or nonperformance of any covenant or agreement 
of Buyer under this Agreement or any other Closing Document.


                                  ARTICLE 10

                      ADDITIONAL COVENANTS AND TERMINATION

     10.1  Seller's General Pre-Closing Covenants.  Until the Closing Date, 
Seller shall, unless Buyer shall otherwise agree in writing, do the following:

          10.1.1  Full Access.  Permit Buyer and its representatives, agents, 
counsel and accountants to have full access to all properties, books, 
accounts, records, contracts, files, correspondence, tax records and documents 
of or relating to Seller, the Facilities and Seller Assets, and permit Buyer 
to cause its agents to conduct such reviews, inspections, surveys, tests and 
investigations of Seller, the Facilities and Seller Assets as Buyer deems 
necessary or advisable, provided that Buyer shall take all reasonable steps to 
minimize the disturbance to the operations of Seller.

          10.1.2  Furnishing Information.  Promptly furnish to cause to be 
furnished, at its sole cost and expense, to Buyer and its representatives, 
originals or copies of all Project Documents and other documents, records, 
data and information concerning such businesses, assets, finances and 
properties of or relating to Seller, the Facilities and Seller Assets that may 
be requested, including copies of all environmental reports, and plans and 
specifications pertaining to all or any portion of the Facilities or the 
Sites.

          10.1.3  Consultation with Accountants.  Permit Buyer to consult with 
the accountants for Seller, and said accountants are hereby authorized to 
disclose all information in their possession to Buyer with respect to Seller, 
the Facilities and Seller Assets.

          10.1.4  Discussions with Facility Participants.  Permit Buyer and 
its representatives and agents to discuss the proposed sale of Buyer's 
Membership Interest with any of the parties to the Project Documents or any 
other Person who has any relationship to Seller, the Facilities or Seller 
Assets.

<PAGE>

          10.1.5  Representations and Warranties.  Refrain from doing, or 
causing to be done, anything which would cause the representations and 
warranties set forth in Articles 4 or 5 hereof from being true, complete and 
accurate on the Closing Date as if made on such date.

          10.1.6  Conduct of Business.  Except as expressly contemplated 
hereby, carry on the business of Seller, the Facilities and Seller Assets in 
the ordinary course, and not sell, transfer or otherwise dispose of any Seller 
Asset except in the ordinary course of business, and continue to use, operate, 
maintain and repair the Facilities and all Seller Assets in accordance with 
all Permits, all Project Documents and all applicable Governmental Rules and 
otherwise in accordance with Seller's prior practice.

          10.1.7  Preservation of Assets, Relationships, Etc.  Preserve the 
business organization of Seller and the Facilities and Seller Assets intact, 
and preserve Seller's present relationships with all other parties to the 
Project Documents and others involved with or having any material relationship 
to the Facilities.

          10.1.8  New Obligations.  Not enter into any material contract, 
agreement or instrument of any type, whether written or oral, or otherwise 
incur any new liabilities, whether contingent or otherwise, except in the 
ordinary course of business.

          10.1.9  No Defaults or Events of Default.  Refrain from doing any 
act or omitting to do any act, or permitting any act or omission to act, which 
will cause a Default or Event of Default under any Project Document.

          10.1.10  No Solicitations, Etc.  Refrain from soliciting or 
encouraging (by way of furnishing information, or otherwise) any inquiries or 
proposals for the acquisition of any interest in Seller, either of the 
Facilities, or the Seller Assets. 

          10.1.11  Notification.  Promptly notify Buyer in writing of any 
event, circumstance or condition that results or, with the passage of time or 
notice, or both, would reasonably be likely to result, in (a) any 
representation or warranty of Seller under this Agreement being false in any 
material respect at any time, (b) any condition to Closing for the benefit of 
Buyer being unable to be satisfied, or (c) the inability of Seller to perform 
any of its obligations hereunder.

          10.1.12  Spare Parts.  Contribute or cause to be contributed to 
Seller, free and clear of any Liens and at no obligation to Seller, all spare 
parts and other assets relating to or used in the operation of the Facilities 
which are owned or controlled by Affiliates of Seller.  

     10.2  Filings and Consents.  Seller and Buyer, as promptly as 
practicable, shall each use their reasonable, good faith and diligent efforts 
to make, or cause to be made, all such filings and submissions and obtain or 
cause to be obtained all such consents and approvals applicable to it, in 
order to consummate the transactions 
contemplated by this Agreement in accordance with the terms hereof.

<PAGE>

     10.3  Provision of Information.  Seller shall cause all the originals of 
all books and records, accounts, contracts, and other documents held by 
Affiliates of Seller which relate to the Facilities or Seller Assets (other 
than documents wholly internal to Seller's Affiliates and not reasonably 
necessary to the proper operation and management of the Facilities) to be 
delivered by such parties to Seller at the Closing or promptly after the 
Closing Date, but in no event later than fifteen days after the Closing Date.

     10.4  Further Assurances.  Seller and Buyer shall, on request, on and 
after the Closing Date, cooperate with each other by furnishing any additional 
information, executing and delivering any additional documents and/or 
instruments and doing any and all such other things as may be reasonably 
requested by any of the parties or its counsel to consummate or otherwise 
further implement or effectuate the transactions contemplated by this 
Agreement and the other Closing Documents.

     10.5  Termination.  This Agreement may be terminated at any time prior to 
the Closing as follows, and in no other manner:

          10.5.1  By Mutual Agreement.  By the mutual agreement of Buyer and 
Seller in writing.

          10.5.2  By Buyer.  By written notice from Buyer to Seller if (a) any 
condition set forth herein for the benefit of Buyer shall not have been timely 
satisfied, (b) Seller fails to perform any obligation hereunder in a timely 
manner and fails to cure the same promptly after written notice thereof from 
Buyer to Seller or (c) any representation or warranty of Seller hereunder 
proves to be false in any material respect and is not promptly cured after 
written notice thereof from Buyer to Seller.

          10.5.3  By Seller.  By written notice from Seller to Buyer if (a) 
any condition set forth herein for the benefit of Seller shall not have been 
timely satisfied, (b) Buyer fails to perform any obligation hereunder in a 
timely manner and fails to cure the same promptly after written notice thereof 
from Seller to Buyer, or (c) any representation or warranty of Buyer hereunder 
proves to be false in any material respect and is not promptly cured after 
written notice thereof from Seller to Buyer.

          10.5.4  By Any Party.  By written notice from any party to the other 
parties if the Closing contemplated hereunder has not taken place on or before 
August 1, 1997.  


                                     ARTICLE 11

                                    TAX MATTERS

     11.1  Sales and Transfer Taxes.  All transfer, sales, use, documentary 
transfer, stamp or excise taxes, or other similar taxes of any type payable in 
connection with the sale and transfer of Buyer's Membership Interest or in 
connection with the indirect transfer of Seller Assets effected thereby or 
otherwise in connection with the consummation of the transactions 

<PAGE>

contemplated by this Agreement and the other Closing Documents shall be the 
exclusive responsibility of and shall be paid by Seller.

     11.2  Income Tax Matters.

          11.2.1  Certain Income Tax Effects of the Transactions.  For federal 
and state income tax purposes, the Members intend that the transactions 
effected by this Agreement, together with the payment of the Closing 
Distribution under Section 8.1(a) of the Operating Agreement, shall be treated 
as (i) a sale by the Indeck Members (as defined in the Operating Agreement) of 
a portion of their membership interest in the Seller representing 
substantially all of the present value of their membership interests in the 
Seller for a sale price equal to the amount of the Closing Distribution, and 
(ii) a capital contribution to the Seller of the remainder of the Membership 
Interest Purchase Price.


                                  ARTICLE 12

                                 MISCELLANEOUS

     12.1  Transaction Costs.  Except as otherwise expressly provided herein, 
Buyer, on the one hand, and Seller, on the other, shall pay all of their own 
costs and expenses (including attorneys' fees and other legal costs and 
expenses and accountants' fees and other accounting costs and expenses) 
incurred in connection with this Agreement and the transactions contemplated 
hereby.  

     12.2  Entire Agreement.  This Agreement represents the entire 
understanding and agreement among the parties with respect to the subject 
matter hereof, and supersedes all other negotiations, understandings and 
representations (if any) made by and among such parties.

     12.3  Amendments.  The provisions of this Agreement may not be amended, 
supplemented, waived or changed orally, but only by a writing signed by each 
of the parties hereto.

     12.4  Assignments.  No party shall assign its rights and/or obligations 
hereunder without the prior written consent of each other party to this 
Agreement.

     12.5  Binding Effect.  All of the terms and provisions of this Agreement, 
whether so expressed or not, shall be binding upon, inure to the benefit of, 
and be enforceable by the parties and their respective administrators, 
executors, legal representatives, heirs, successors and permitted assigns.

     12.6  Headings.  The headings contained in this Agreement are for 
convenience of reference only, are not to be considered a part hereof and 
shall not limit or otherwise affect in any way the meaning or interpretation 
of this Agreement.

<PAGE>

     12.7  Notices.  All notices, requests, consents and other communications 
required or permitted under this Agreement shall be in writing and shall be 
(as elected by the person giving such notice) hand delivered by messenger or 
courier service, telefaxed, or mailed by registered or certified mail (postage 
prepaid), return receipt requested, addressed to:

     To Buyer:                               With a copy to:

     Ridgewood Maine, L.L.C. 
     c/o Ridgewood Power Corporation        Downs Rachlin & Martin, PC
     947 Linwood Drive                      199 Main Street, P.O. Box 190
     Ridgewood, New Jersey  07450           Burlington, VT  05402-0190
     Attn:  President                       Attn:  Thomas H. Moody, Esq.
     
     To Seller:                             With a copy to:

     Indeck Maine Energy, L.L.C.            Pierce Atwood Schribner, Allen
     1130 Lake Cook Road, Suite 300           Smith & Lancaster
     Buffalo Grove, Illinois  60089         One Monument Square
     Attn:  President                       Portland, Maine  04101
     with a separate copy to: 
     Alan R. Waskin, Esq. 

or to such other address as any party may designate by notice complying with 
the terms of this Section 12.7.  Each such notice shall be deemed delivered 
(a) on the date actually delivered if by messenger or courier service; (b) on 
the date of confirmed answer-back if by telefax; and (c) on the date upon with 
the return receipt is signed or delivery is refused or the notice is 
designated by the postal authorities as not deliverable, as the case may be, 
if mailed.

     12.8  Severability.  If any provision of this Agreement or any other 
Agreement entered into pursuant hereto is contrary to, prohibited by or deemed 
invalid under applicable law or regulation, such provision shall be 
inapplicable and deemed omitted to the extent so contrary, prohibited or 
invalid, but the remainder hereof shall not be invalidated thereby and shall 
be given full force and effect so far as possible.  If any provision of this 
Agreement may be construed in two or more ways, one of which would render the 
provision invalid or otherwise voidable or unenforceable and another of which 
would render the provision valid and enforceable, such provision shall have 
the meaning which renders it valid and enforceable.

     12.9  Waivers.  The failure or delay of any party at any time to require 
performance by another party of any provision of this Agreement, even if 
known, shall not affect the right of such party to require performance of that 
provision or to exercise any right, power or remedy hereunder.  Any waiver by 
any party of any breach of any provision of this Agreement should not be 
construed as a waiver of any continuing or succeeding breach of such 
provision, a waiver of the provision itself, or a waiver of any right, power 
or remedy 

<PAGE>

under this Agreement.  No notice to or demand on any party in any case shall, 
of itself, entitle such party to any other or further notice or demand in 
similar or other circumstances.

     12.10  Enforcement Costs.  If any legal action or other proceeding is 
brought for the enforcement of this Agreement or any other Closing Document, 
or because of an alleged dispute, breach, default or misrepresentation in 
connection with any provision of this Agreement or any other Closing Document, 
the successful or prevailing party or parties shall be entitled to recover 
reasonable attorneys' fees, sales and use taxes, court costs and all out-of-
pocket expenses even if not taxable as court costs (including, without 
limitation, all such fees, taxes, costs and expenses incident to arbitration, 
appellate, bankruptcy and post-judgment proceedings), incurred in that action 
or proceeding, in addition to any other relief to which such party or parties 
may be entitled.  Attorneys' fees shall include, without limitation, paralegal 
fees, investigative fees, administrative costs, sales and use taxes and all 
other reasonable and customary charges billed by the attorney to the 
prevailing party.

     12.11  Remedies Cumulative.  Except as otherwise expressly provided 
herein, no remedy herein conferred upon any party is intended to be exclusive 
of any other remedy, and each and every such remedy shall be cumulative and 
shall be in addition to every other remedy given hereunder or now or hereafter 
existing at law or inequity or by statute or otherwise.  No single or partial 
exercise by any party of any right, power or remedy hereunder shall preclude 
any other or further exercise thereof.

     12.12  Counterparts.  This Agreement may be executed in one or more 
counterparts, each of which shall be deemed an original, but all of which 
together shall constitute one and the same instrument.  Confirmation of 
execution by telefax of a signature page shall be binding upon any party so 
confirming.

     12.13  Governing Law.  This Agreement and all transactions contemplated 
by this Agreement shall be governed by, and construed and enforced in 
accordance with, the internal laws of the State of Illinois, without regard to 
principles of conflicts of laws.

     12.14  Preparation of Agreement.  This Agreement shall not be construed 
more strongly against any party regardless of who is responsible for its 
preparation.  The parties acknowledge each contributed and is equally 
responsible for its preparation.

     12.15  Survival.  All representations, warranties, covenants and 
agreements made herein or otherwise referenced herein shall survive the 
execution and delivery of this Agreement and the consummation of the 
transactions contemplated hereby for the time periods herein provided.

     12.16  Inducement to Transaction.  All representations and warranties 
made by any party of this Agreement shall be deemed made for the purpose of 
inducing the other party to enter into this Agreement.

                              ARTICLE 13
                           EXECUTION CLAUSE

     IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of 
the date above first written.

SELLER:

INDECK MAINE ENERGY, L.L.C.



By: /s/ Thomas M. Campone
Name: Thomas M. Campone
Title: President



BUYER:

RIDGEWOOD MAINE, L.L.C.

By: RIDGEWOOD PENOBSCOT MANAGEMENT CORPORATION,
    Manager

By:  /s/ Mary Louise Olin
Name:  Mary Louise Olin
Title:  Vice President, Secretary




                       AMENDED AND RESTATED
                       OPERATING AGREEMENT


                                OF


                   INDECK MAINE ENERGY, L.L.C.





                                                               

                           Dated as of 


                          June 11, 1997

                                                               

<PAGE>

             

                        AMENDED AND RESTATED             
                        OPERATING AGREEMENT
                               OF 
                     INDECK MAINE ENERGY, L.L.C.

                        TABLE OF CONTENTS

                                                             PAGE

ARTICLE I DEFINITIONS . . . . . . . . . . . . . . . . . . . . . 1

ARTICLE II CONTINUATION AND TERM . . . . . . . . . . . . . . . .4
     2.1  Continuation . . . . . . . . . . . . . . . . . . . . .4
     2.2  Business Purpose . . . . . . . . . . . . . . . . . . .5
     2.3  Term of the Company. . . . . . . . . . . . . . . . . .5
     2.4  Liability to Third Parties . . . . . . . . . . . . . .5

ARTICLE III OFFICES . . . . . . . . . . . . . . . . . . . . . . 5
     3.1  Principal Office . . . . . . . . . . . . . . . . . . .5
     3.2  Registered Agent . . . . . . . . . . . . . . . . . . .5
     3.3       Registered Office . . . . . . . . . . . . . . . .5
     3.4  Change of Registered Agent or Office . . . . . . . . .5

ARTICLE IV CAPITAL CONTRIBUTIONS AND ADVANCES . . . . . . . . . 6
     4.1  Capital Contributions. . . . . . . . . . . . . . . . .6
          4.1.1     Initial Capital Contributions. . . . . . . .6
          4.1.2     Additional Capital Contributions . . . . . .6
     4.2  Method of Payment. . . . . . . . . . . . . . . . . . .6
     4.3  Capital Accounts . . . . . . . . . . . . . . . . . . .6
     4.4  Advances . . . . . . . . . . . . . . . . . . . . . . .6
     4.5  No Interest. . . . . . . . . . . . . . . . . . . . . .6
     4.6  No Return of Contribution. . . . . . . . . . . . . . .7

ARTICLE V MEMBERS . . . . . . . . . . . . . . . . . . . . . . . 7
     5.1  Participation in Management. . . . . . . . . . . . . .7
     5.2  Liability of Members to the Company. . . . . . . . . .7
     5.3  Annual Meetings. . . . . . . . . . . . . . . . . . . .7
     5.4  Special Meetings . . . . . . . . . . . . . . . . . . .7
     5.5  Place of Meetings. . . . . . . . . . . . . . . . . . .8

<PAGE>

     5.6       Notice of Meetings. . . . . . . . . . . . . . . .8
     5.7  Spontaneous Meeting of Members . . . . . . . . . . . .8
     5.8  Quorum . . . . . . . . . . . . . . . . . . . . . . . .8
     5.9  Proxies. . . . . . . . . . . . . . . . . . . . . . . .8
     5.10 Written Action by Members. . . . . . . . . . . . . . .8
     5.11 Telephonic Participation in Meetings . . . . . . . . .8

ARTICLE VI OPERATIONS AND MANAGEMENT. . . . . . . . . . . . . . 8
     6.1       Managers. . . . . . . . . . . . . . . . . . . . .8
     6.2  Appointment and Qualification. . . . . . . . . . . . .9
     6.3  Duties and General Authority . . . . . . . . . . . . .9
     6.4  Matters Requiring Ridgewood Consent. . . . . . . . . 10
     6.5  Reliance by Third Parties. . . . . . . . . . . . . . 12
     6.6  Compensation and Reimbursements. . . . . . . . . . . 12
     6.7  Resignation and Removal. . . . . . . . . . . . . . . 12
     6.8  Meetings and Action of Managers. . . . . . . . . . . 12
     6.9  Reporting to Board of Managers . . . . . . . . . . . 13
     6.10 Other Officers and Employees . . . . . . . . . . . . 13
     6.11 Matters Requiring Consent of the Indeck Members. . . 13

ARTICLE VII ALLOCATION OF PROFITS AND LOSSES. . . . . . . . . .14
     7.1  Allocations of Profits and Losses. . . . . . . . . . 14
     7.2       Tax Allocations . . . . . . . . . . . . . . . . 15
     7.3  Allocation Rules for Changes in Membership Interests 16
     7.4  Reimbursements . . . . . . . . . . . . . . . . . . . 16
     
ARTICLE VIII
     DISTRIBUTIONS . . . . . . . . . . . . . . . . . . . . . . 16
     8.1  Distributions  . . . . . . . . . . . . . . . . . . . 16
     8.2  Procedure. . . . . . . . . . . . . . . . . . . . . . 17
ARTICLE IX TRANSFER OF MEMBERSHIP INTERESTS AND RESIGNATION OF 
     MEMBERS . . . . . . . . . . . . . . . . . . . . . . . . . 18
     9.1  Assignment and Transfer of Membership Interests. . . 18
     9.2  Resignation. . . . . . . . . . . . . . . . . . . . . 18

ARTICLE X DISSOLUTION AND WINDING UP. . . . . . . . . . . . . .19
     10.1 Dissolution. . . . . . . . . . . . . . . . . . . . . 19
     10.2 Procedures . . . . . . . . . . . . . . . . . . . . . 20
          10.2.1.   Liquidation of Assets. . . . . . . . . . . 20

<PAGE>

          10.2.2.   Authority of Liquidating Agent . . . . . . 20
          10.2.3.   Distribution of Assets . . . . . . . . . . 20
          10.2.4.   No Recourse to Assets of Members . . . . . 20
     10.3 Termination of the Company . . . . . . . . . . . . . 20

ARTICLE XI FISCAL AND ADMINISTRATIVE MATTERS. . . . . . . . . .20
     11.1 Accounting Period. . . . . . . . . . . . . . . . . . 20
     11.2 Deposits . . . . . . . . . . . . . . . . . . . . . . 21
     11.3 Checks, Drafts, Etc. . . . . . . . . . . . . . . . . 21
     11.4 Contracts. . . . . . . . . . . . . . . . . . . . . . 21
     11.5 Books and Records. . . . . . . . . . . . . . . . . . 21
          11.5.1    Right of Inspection. . . . . . . . . . . . 21
          11.5.2    Financial Records. . . . . . . . . . . . . 21
     11.6 Administrative Matters . . . . . . . . . . . . . . . 21
          11.6.1    "Tax Matters Member" . . . . . . . . . . . 21
          11.6.2    Address of Tax Matters Member. . . . . . . 22
          11.6.3    Cooperation. . . . . . . . . . . . . . . . 22
          11.6.4    Filings. . . . . . . . . . . . . . . . . . 22
          11.6.5    Authorization. . . . . . . . . . . . . . . 22
          11.6.6    Reporting to Members . . . . . . . . . . . 22
     11.7 Financial Statements . . . . . . . . . . . . . . . . 22
     11.8 Effective Date . . . . . . . . . . . . . . . . . . . 23
     11.9 Reserves . . . . . . . . . . . . . . . . . . . . . . 23

ARTICLE XII INDEMNIFICATION . . . . . . . . . . . . . . . . . .23
     12.1 Right to Indemnification . . . . . . . . . . . . . . 23
     12.2 Award of Indemnification . . . . . . . . . . . . . . 23
     12.3 Successful Defense . . . . . . . . . . . . . . . . . 24
     12.4 Advance Payments . . . . . . . . . . . . . . . . . . 24
     12.5 Definitions. . . . . . . . . . . . . . . . . . . . . 24
     12.6 Insurance. . . . . . . . . . . . . . . . . . . . . . 24
     12.7 Employee Benefit Plan. . . . . . . . . . . . . . . . 25
     12.8 Heirs and Personal Representatives . . . . . . . . . 25
     12.9 Non-Exclusivity. . . . . . . . . . . . . . . . . . . 25
     12.10     Amendment . . . . . . . . . . . . . . . . . . . 25

ARTICLE XIII MISCELLANEOUS. . . . . . . . . . . . . . . . . . .25
     13.1 Waivers. . . . . . . . . . . . . . . . . . . . . . . 25
     13.2 Amendment. . . . . . . . . . . . . . . . . . . . . . 25
     13.3 Assignability. . . . . . . . . . . . . . . . . . . . 25
     13.4 Notices. . . . . . . . . . . . . . . . . . . . . . . 25

<PAGE>

     13.5 Third Party Rights . . . . . . . . . . . . . . . . . 27
     13.6 Choice of Law. . . . . . . . . . . . . . . . . . . . 27
     13.7 Headings . . . . . . . . . . . . . . . . . . . . . . 27
     13.8 Entire Agreement . . . . . . . . . . . . . . . . . . 27
     13.9 Severability . . . . . . . . . . . . . . . . . . . . 27
     13.10     Counterparts. . . . . . . . . . . . . . . . . . 28
     13.11     Pronouns and Plurals. . . . . . . . . . . . . . 28
     13.12     Further Assurances. . . . . . . . . . . . . . . 28
     13.13     Power of Attorney . . . . . . . . . . . . . . . 28

Exhibit 4.1.1Initial Capital Contributions . . . . . . . . . . 30

Exhibit 6.1
     Name and Address of Managers. . . . . . . . . . . . . . . 31

Exhibit 6.4 (a)
     Approved Operating Budget for FY ending 12/31/97. . . . . 32

Exhibit 6.4 (f)
     Approved Agreements . . . . . . . . . . . . . . . . . . . 33

Exhibit 8.1
     Percentages for Distributions to Indeck Members . . . . . 34

<PAGE>


                                 
                                                                 


                        AMENDED AND RESTATED             
                        OPERATING AGREEMENT

                                 OF 

                       INDECK MAINE ENERGY, L.L.C.

     This Amended and Restated Operating Agreement of INDECK MAINE ENERGY, 
L.L.C., a limited liability company organized under the laws of the State of 
Illinois (the "Company"), is made as of June 11, 1997 (the "Operating 
Agreement"), by and among Gerald R. Forsythe, an individual, Thomas M. & 
Silvia Campone, jointly an individual, Michelle R. Fawcett, an individual, 
Marsha F. Fournier, an individual, Monica Forsythe Breslow, an individual, and 
Melissa S. Forsythe, an individual, as the initial members (collectively, the 
"Indeck Members"), and Ridgewood Maine, L.L.C., a Delaware limited liability 
company ("Ridgewood," and collectively with the Indeck Members, the 
"Members").  

     WHEREAS, the Indeck Members have heretofore formed a limited liability 
company pursuant to the Act (as hereinafter defined) by filing Articles of 
Organization of the Company with the office of the Secretary of State of the 
State of Illinois on April 1, 1997, and entering into an Operating Agreement 
of the Company dated March 17, 1997 (the "Original Operating Agreement"); and

     WHEREAS, the Indeck Members desire to continue the Company as a limited 
liability company under the Act, admit Ridgewood as a Member, and amend and 
restate the Original Operating Agreement of the Company in its entirety.

     NOW, THEREFORE, in consideration of the agreements and obligations set 
forth herein and for other good and valuable consideration, the receipt and 
sufficiency of which are hereby acknowledged, the Members hereby agree as 
follows:

                            ARTICLE I
                           DEFINITIONS

     As used in this Operating Agreement, the following terms shall have the 
following meanings (such meanings to be equally applicable to and include both 
the singular and plural forms of the terms defined):

     "Act" means the Illinois Limited Liability Company Act in effect on June 
1, 1997.

<PAGE>

     "Adjusted Capital Account Deficit" means, with respect to any Member, the 
deficit balance if any, in such Member's Capital Account as of the end of the 
relevant Year, after giving effect to any adjustments required pursuant to 
Treasury Regulations (( 1.704-1(b)(2)(ii)(d)(4), (5) and (6).

  "Affiliate" means, with respect to any Person, any other Person who 

either directly, or indirectly through one or more intermediaries, controls, 

is controlled by, or is under common control with, such Person.  

     "Articles of Organization" means the articles referred to in the Act, 

which was filed for the Company on April 1, 1997, and such certificate as 
amended.  

     "Board of Managers" has the meaning set forth in Section 6.1.

     "Capital Account" means, with respect to any Member, the capital account 
maintained for such Member pursuant to Section 4.3.  

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

     "Company" has the meaning set forth in the first paragraph hereof.  

     "Continuing Members" has the meaning set forth in Section 9.2(a).  

     "Depreciation" means for each taxable year of the Company, an amount 
equal to depreciation, amortization, or other cost recovery deduction 
allowable for federal income tax purposes with respect to the tangible and 
intangible assets of the Company.

     "Distribution Default" means (a) the failure of the Company to make 
distributions to Members under Section 8.1(b) and 8.1(c) hereof with respect 
to any calendar quarter or any Fiscal Year in the manner required by Section 
8.2 hereof, or (b) the failure of the Company to make distributions to 
Ridgewood pursuant to Section 8.1(b) hereof with respect to any calendar 
quarter commencing with the calendar quarter ending September 30, 1997, in an 
amount equal to twenty-five percent (25%) of Ridgewood's Priority Return From 
Operations; provided, however, that the Distribution Default described in 
clause (b) above shall not become effective if at any time during the period 
ending on the last day of the fifth calendar quarter succeeding the calendar 
quarter in which such Distribution Default shall occur, Ridgewood shall have 
received cash distributions pursuant to Section 8.1(b) which, when aggregated 
with all prior cash distributions received by Ridgewood under such Section 
8.1(b), yields an amount which is equal to or greater than the amount of 
Ridgewood's Priority Return From Operations through the period ending on the 
date any such determination is made. 

     "Effective Date" has the meaning set forth in Section 11.8.

     "Facilities" has the meaning set forth in the Purchase Agreement.

<PAGE>

     "Fiscal Year" means the twelve (12) calendar month period commencing on 
January 1 and ending on December 31 of each year, including any period of less 
than twelve (12) calendar months (i) beginning with the Closing Date under the 
Purchase Agreement or (ii) ending with dissolution of the Company.  

     "Initial Capital Contribution" means, with respect to each Member, the 
capital contributions shown on Exhibit 4.1.1, subject to adjustment as 
specified in Section 4.1.2(b). 

     "Indeck Members" shall have the meaning given in the first paragraph 
hereof, provided that the term "Indeck Members" shall include any permitted 
transferee (in accordance with Section 9.1) of any interest formerly held by 
an Indeck Member (regardless of whether such permitted transferee is an 
Affiliate or otherwise related to Indeck).

     "Liquidating Agent" has the meaning set forth in Section 10.4.1.  

     "Managers" shall mean the Board of Managers collectively or one or more 
members of the Board of Managers, as the context requires.

     "Member Consent" means the prior written consent of Ridgewood and the 
holders of a majority of the interests of the Indeck Members, as referenced on 
Exhibit 8.1.

     "Members" means the Indeck Members, Ridgewood and any other Person who 
becomes a Substituted Member (as such term is used in the Act) of the Company 
in accordance with Section 9.1. 

     "Net Cash Flow From Operations" means, with respect to each Fiscal Year, 
an amount equal to (i) the gross cash receipts of the Company which are 
attributable to the ongoing operation of the Facilities in the ordinary course 
during such Fiscal Year, less (ii) all amounts paid by or for the account of 
the Company with respect to such ongoing, ordinary course operations.  
Net Cash Flow From Operations shall be determined by reference to the amount 
of the Company's Profits for such Fiscal Year as shown on the Company's 
federal income tax return for such year (computed without regard to any gain 
or loss attributable to the sale or other disposition of any of the Company's 
assets other than in the ordinary course of business), increased by the amount 
of Depreciation and the amount of any reduction in the Reserves, and reduced 
by the amount of any increase in the Reserves. 

     "Net Cash Flow From Capital Events" means any cash received or held by 
the Company from any source other than Net Cash Flow From Operations. 

     "Operating Agreement" means this Agreement, as amended from time to time.

     "Person" means an individual, a partnership, a corporation, an 
association, a joint stock company, a trust, a joint venture, a limited 
liability company, an unincorporated organization of a governmental entity or 
any department, agency or political subdivision thereof.  

<PAGE>

     "Profits" and "Losses" means, for each taxable year of the Company, the 
Company's taxable income or loss for such Year determined in accordance with 
Code Section 703(a), including all items of income, gain, loss or deduction 
required to be stated separately pursuant to Code Section 703(a)(1); provided 
that no Depreciation shall be taken into account.

     "Purchase Agreement" means the Agreement to Purchase Membership Interests 
between the Company and Ridgewood dated as of June 11, 1997.

     "Reserves" means collectively the working capital, maintenance or other 
reserves established by the Board of Managers from time to time in accordance 
with Section 6.4.  

     "Resignation" has the meaning set forth in Section 9.2(a).
     
     "Resigning Member" has the meaning set forth in Section 9.2(a).

     "Ridgewood" has the meaning set forth in the first paragraph hereof.

     "Ridgewood's Priority Return From Operations" means an amount equal to 
eighteen percent (18%) per annum computed on a base equal to Ridgewood's 
Initial Capital Contribution, as such base amount is (i) increased from time 
to time by the amount of any additional contribution made by Ridgewood 
pursuant to Section 4.1.2(b) below, or (ii) reduced from time to time by the 
amount of distributions to Ridgewood of Net Cash Flow From Capital Events 
pursuant to Section 8.1(c). 

     "Secretary of State" means the Secretary of State of the State of 
Illinois.  

     "Subsidiary" means any corporation or other entity of which the 
securities having a majority of the ordinary voting power in electing the 
board of directors or other elected governing body are, at the time such 
determination is being made, owned by the Company, either directly or 
indirectly through one or more intermediate Subsidiaries.  

     "Tax Matters Member" has the meaning set forth in Section 11.6.1.  

     "Treasury Regulation" means, unless otherwise noted herein, a final or 
temporary regulation issued by the United States Treasury Department with 
respect to the Code and published in Title 26 of the Code of Federal 
Regulations.  

                            ARTICLE II
                      CONTINUATION AND TERM

     2.1  Continuation.  

          (a)  The Members hereby agree to continue the Company as a manager-
managed limited liability company under and pursuant to the provisions of the 
Act and agree that 

<PAGE>

the rights, duties and liabilities of the Members and the Managers shall be as 
provided in the Act, except as otherwise provided herein.  

          (b)  Upon execution of this Operating Agreement, the Indeck Members 
shall be and Ridgewood shall become members of the Company in accordance with 
this Agreement.  

     2.2  Business Purpose.  The purpose of the Company is to carry on any 
lawful business, purpose or activity for which limited liability companies may 
be formed under the Act.  

     2.3  Term of the Company.  The Company's existence commenced upon the 
filing of the Articles of Organization with the Secretary of State on April 1, 
1997 and shall continue until December 31, 2050 unless (a) extended by 
amendment to this Operating Agreement and the Articles of Organization, or (b) 
dissolved earlier under Section 10.1 hereof or by law.  

     2.4  Liability to Third Parties.   Except as otherwise provided by the 
Act, the debts, obligations and liabilities of the Company, whether arising in 
contract, tort, strict liability or otherwise, shall be solely the debts, 
obligations and liabilities of the Company, and no Member or Manager of the 
Company shall be obligated personally for any such debt, obligation or 
liability of the Company solely by reason of being a Member or acting as a 
Manager of the Company.  

                           ARTICLE III
                             OFFICES

     3.1  Principal Office.  The Company may have such offices or places of 
business, either within or without the State of Illinois, as the Managers may 
designate or as the business of the Company may from time to time require.  
The principal office of the Company is:  

                         1130 Lake Cook Road, Suite 300
                         Buffalo Grove, Illinois  60089 

     3.2  Registered Agent.  The initial registered agent of the Company is CT 
Corporation. 

     3.3  Registered Office.  The address of the initial registered office of 
the Company is:

                        208 S. LaSalle St.
                        Chicago, IL 60604

     3.4  Change of Registered Agent or Office.  The registered office and 
registered agent may be changed from time to time by action of the Board of 
Managers, and by the filing of the prescribed form, accompanied by the 
requisite filing fee, with the Secretary of State in accordance with the Act.  


<PAGE>

                            ARTICLE IV
                CAPITAL CONTRIBUTIONS AND ADVANCES

     4.1  Capital Contributions.  

          4.1.1  Initial Capital Contributions.  Each Member agrees to make an 
Initial Capital Contribution in the amount set forth opposite such Member's 
name as set forth on Exhibit 4.1.1 attached hereto.  Upon receipt by the 
Company of cash from each Member in the specified amount, the Company shall 
credit each Member's Capital Account with the amount of such contribution.    

          4.1.2  Additional Capital Contributions.  No Member shall be 
required to make any additional capital contribution to the Company.  However, 
the Company may, with the approval of the Managers, accept additional capital 
contributions (a) from any Indeck Member or from any new Member admitted 
pursuant to Section 9.1, (in which case the only effect of the addition 
capital contribution shall be to modify the relative interests of the Indeck 
Members set forth on Exhibit 8.1 from and after the date of acceptance of such 
additional contributions), and (b) from Ridgewood (in which case the amount 
contributed shall be included in calculating Ridgewood's Initial Capital 
Contribution for purposes of this Agreement from and after the date of 
acceptance of such additional contributions). 

     4.2  Method of Payment.  All cash contributions to the capital of the 
Company shall be made by means of a good check or a wire transfer of 
immediately available funds to the account of the Company.  

     4.3  Capital Accounts.  The Company shall maintain a separate capital 
account (each a "Capital Account") for each Member according to the capital 
accounting rules of Treasury Regulation Section 1.704-1(b)(2)(iv).  

     4.4  Advances.  Unless expressly provided for in this Operating 
Agreement, or as otherwise agreed by the Managers pursuant to Section 6.4 (a) 
no payment shall be made by the Company to any Member for the services of the 
Member, (b) no payment shall be made by the Company to any Affiliate of a 
Member for the services of such Affiliate, (c) no loans or advances shall be 
made by the Company to any Member or any Affiliate of a Member, and (d) no 
Member or any Affiliate of a Member shall be entitled to any compensation or 
reimbursement from the Company or from the other Members for expenses incurred 
in connection with the formation, business or affairs of the Company.  

     4.5  No Interest.  No interest shall be paid by the Company on (a) any 
initial, additional or new capital contribution, (b) on the balance of any 
Capital Account, or (c) unless approved by the Managers pursuant to Section 
6.4, on any advance to the Company from any Member.  

<PAGE>

     4.6  No Return of Contribution.  Except as otherwise provided in Article 
VIII, no Member shall be entitled to demand the return of any capital 
contribution except as provided in Article X hereof upon dissolution and 
liquidation of the Company.

                            ARTICLE V
                             MEMBERS

     5.1  Participation in Management.  The management of the business and 
affairs of the Company is delegated pursuant to Article VI below to the Board 
of Managers.  Except for the actions set forth in this Section 5.1, the 
Members hereby delegate to the Board of Managers the right to decide and the 
manner of decision of any matter within the scope of the powers of the 
Company.  It is the intention of the Members to delegate management authority 
to the Board of Managers to the maximum extent permitted by the Act.  The 
following are the only actions that may be taken by the Members under this 
Agreement:

          (a)  election of Managers, which action must be approved in 
accordance with Article VI;

          (b)  amendment of this Agreement or the Articles of Organization, 
which actions may only be taken with Member Consent; 

          (c)  dissolution of the Company pursuant to Section 10.1(b), which 
action may only be taken with Member Consent; and

          (d)  approval of the assignment or other transfer under Section 9.1 
and admission as a Member of the transferee of such interest, which action 
must be approved in accordance with Section 9.1.

Except as set forth above in this Section 5.1, no Member shall have any right, 
solely as a Member, to participate in the management and affairs of the 
Company.

     5.2  Liability of Members to the Company.  A Member shall be liable to 
the Company for payment of the capital contributions set forth in Exhibit 
4.1.1 as and to the extent provided by the Act.  

     5.3  Annual Meetings.  An annual meeting of the Members, commencing with 
the year 1998, shall be held each year at such time and on such date prior to 
February 28 in each year as the Board of Managers may designate, at which 
meeting the Members shall transact such business as may be brought before such 
meeting.  If the annual meeting shall not be held on the day designated 
therefor, the Members may cause the meeting to be held as soon thereafter as 
may be convenient.  

     5.4  Special Meetings.  Special meetings of the Members may be called by 
any two (2) or more Managers.

<PAGE>

     5.5  Place of Meetings.  The Members may designate any place, within or 
without the United States and the State of Illinois, as the location for any 
annual meeting or for any special meeting of the Members, provided, however, 
that if no place is designated, the meeting shall be held at the principal 
office of the Company specified in Section 3.1 above.

     5.6  Notice of Meetings.  Written or printed notice stating the place, 
day and hour of the meeting and, in case of a special meeting, the purpose or 
purposes for which such meeting is called, shall be delivered to each Member 
not less than ten (10) days nor more than fifty (50) days before the meeting, 
at the direction of the Member(s) calling such meeting.  

     5.7  Spontaneous Meeting of Members.  If all of the Members meet at any 
time and place, either within or without the State of Illinois, and consent to 
the holding of a meeting at such time and place, such meeting shall be valid 
without call or notice, and at such meeting any Company action may be taken.  

     5.8  Quorum.  At each meeting of the Members, Ridgewood and the holders 
of a majority of the interests held by Indeck Members as reflected on Exhibit 
8.1, present in person or by proxy, shall constitute a quorum for the 
transaction of Company business.  In the absence of a quorum, any Member 
present at such meeting in person or by proxy shall have the power to adjourn 
such meeting until a quorum shall be constituted.  

     5.9  Proxies.  At any meeting of the Members, a Member may vote by proxy 
executed in writing by such Member or by its duly authorized representative.  

     5.10  Written Action by Members.  Any action required to, or which may, 
be taken by the Members may be taken without a meeting if consent thereto in 
writing, setting forth the action so taken, shall be signed by sufficient 
Members to constitute Member Consent.

     5.11  Telephonic Participation in Meetings.  Members may participate in 
any meeting through telephonic or similar communications equipment by means of 
which all persons participating in the meeting can hear one another, and such 
participation shall constitute presence in person at such meeting.  

                            ARTICLE VI
                    OPERATIONS AND MANAGEMENT

     6.1  Managers.  The business and affairs of the Company will be carried 
out by or under the direction of a Board of Managers, consisting of five (5) 
Managers.  The size of the Board of Managers may only be increased or 
decreased with the prior approval the Managers pursuant to Section 6.4.  The 
names and addresses of the initial Managers are listed on Exhibit 6.1 and said 
Exhibit shall be amended from time to time by the Managers to reflect the 
resignation or removal of Managers or the appointment of new Managers pursuant 
to this Operating Agreement.

<PAGE>

     6.2  Appointment and Qualification.  At each annual meeting the Members 
shall, and, at any special meeting the Members may, elect Managers in 
accordance with this Section 6.2:

          (a)  Prior to the occurrence of a Distribution Default, the Indeck 
Members shall have the right to designate three (3) Managers for election to 
the Board of Managers and Ridgewood shall have the right to designate two (2) 
Managers for election to the Board of Managers.  

          (b)  Upon the occurrence of a Distribution Default and thereafter, 
Ridgewood shall have the right to designate three (3) Managers for election to 
the Board of Managers and the Indeck Members shall have the right to designate 
two (2) Managers for election to the Board of Managers.  No meeting of the 
Members or Managers shall be required to effect such action.  

          (c)  Ridgewood and each of the Indeck Members agree to vote all 
membership interests held by it in such manner to cause the election of the 
Managers designated by the other party to the Board of Managers in accordance 
with the provisions of this Section 6.2.

          (d)  Managers shall hold office for a term ending at the conclusion 
of the next meeting of the Members at which their successors are chosen and 
qualified, or upon their earlier death, resignation or removal.  Each Manager 
shall devote such time to the business of the Company as is reasonably 
necessary for the performance of the Manager's duties, but such Managers shall 
not be required to devote full time to the performance of such duties and may 
delegate his or her responsibilities as provided in Section 6.3.

     6.3  Duties and General Authority.  The business and affairs of the 
Company shall be conducted by or under the direction of the Managers, who 
shall have and may exercise on behalf of the Company all of its rights, 
powers, duties and responsibilities, including without limitation the right 
and authority to manage the business and affairs of the Company.  Without 
limiting the generality of the foregoing, the specific authority and 
responsibilities of the Managers shall, except as otherwise provided by the 
Members' action appointing the Managers or by this Operating Agreement, 
include the following:

          (a)  Effectuating the provisions of this Operating Agreement and the 
resolutions, actions and decisions of the Members;  

          (b)  Directing, managing and supervising the executive, day-to-day 
operations, business and affairs of the Company; 

          (c)  Advising the Members with respect to all matters pertaining to 
the operation of the Company, including services rendered on behalf of the 
Company, operating income and expenses, financial position, and the 
preparation and submission 

<PAGE>

of reports to the Members at each regular meeting of the Members, and at such 
other times as may be directed by the Members or requested by a Member 
pursuant to Section 11.5.1; 

          (d)  Presiding over and recording the minutes of all meetings of, 
and actions taken by, the members, when present at any such meeting; 

          (e)  Subject to Section 6.4, signing, on behalf of the Company, such
     agreements, notes, consents, approvals, deeds, mortgages, bonds, 
contracts or other instruments which have been appropriately authorized by the 
Managers or the Members, as required under this Agreement, to be executed on 
behalf of the Company, except in cases where the signing or execution thereof 
shall be expressly delegated by the Members, this Operating Agreement or by 
operation of law to some other officer or agent of the Company;  

          (f)  Performing all duties and taking all actions as may be 
necessary in the ordinary course of managing the business and affairs of the 
Company, or as prescribed by the Members from time to time; and 

          (g)  Creating such positions and offices of the Company having such 
authority and responsibility as the Managers may determine to be necessary or 
advisable and appointing such Persons as the Managers deem appropriate to fill 
such positions.  

     6.4  Matters Requiring Ridgewood Consent.  Notwithstanding the foregoing, 
the Managers may not take any of the following actions without the consent of 
the Managers designated by Ridgewood:

          (a)  Approval of the annual operating budgets of the Company and of 
Indeck Operations, Inc. or any successor to Indeck Operations, Inc. as 
operator of the facilities owned by the Company; provided, however, that if 
Ridgewood does not consent to the proposed annual operating budget, the 
Managers may continue the affairs of the Company in accordance with the then 
existing budget, except that the aggregate of all expenditures contained in 
such existing budget shall be increased to an amount equal to 105% of the 
total of all such expenditures contained in the existing budget and such 
existing budget, as increased, shall constitute the budget for the succeeding 
Fiscal Year.  The Members confirm that the operating budget for the fiscal 
year ending December 31, 1997 attached hereto as Exhibit 6.4(a) is hereby 
approved in all respects, and absent approval of a succeeding operating budget 
as contemplated by this Section 6.4(a), will constitute the operating budget 
for the Fiscal Year commencing January 1, 1998, adjusted as necessary to 
reflect (i) a full twelve months of operations and (ii) the 5% annual increase 
referenced above.

          (b)  Assign, transfer, pledge, compromise or release any of the 
Company's claims or debts, except upon payment in full, or arbitrate or 
consent to the arbitration of any of its disputes or controversies; 

<PAGE>

          (c)  Make, execute and deliver any assignment for the benefit of 
creditors, or any bond, confession of judgment, chattel mortgage, deed, 
guarantee, indemnity bond, surety bond, or contract to sell a substantial 
portion of its personal property;  

          (d)  Purchase, sell or mortgage any real estate or interest therein, 
or enter into any contract or lease for such purpose other than to acquire 
rights to property contiguous to the Facilities for the purpose of expanded 
operation of the Facilities for an annual cost not to exceed $10,000 per year;  

          (e)  Borrow or loan money, or make, execute, deliver, accept, or 
endorse any commercial paper, or use the credit, money or other property of 
the Company except in accordance with the operating budget of Company 
established with the consent of the Managers designated by Ridgewood; and 

          (f)  Pay any money to, provide any services to, engage in any 
transaction or enter into any contract or agreement with any Affiliate of the 
Indeck Members; provided, however, that (i) the Company may perform all its 
obligations under the agreements described on Exhibit 6.4(f) attached hereto 
or such agreements exist on the date hereof, all of which agreements are 
hereby expressly approved, ratified and confirmed by all the Members; and (ii) 
the Company may purchase goods and services from any Affiliate of any Indeck 
Member which is in the business of providing such goods or services to third 
parties in the ordinary course of business so long as the terms and conditions 
of any such purchase are no less favorable to the Company in the aggregate 
than those otherwise obtainable by the Company from third parties.  

          (g)  Enter into any agreement, undertaking or commitment which 
requires the Company to make payments exceeding $100,000 in the aggregate, 
provided, however, that the foregoing restriction shall not apply to 
agreements, undertakings or commitments by the Company (i) to purchase fuel 
for the Facilities in the ordinary course of business (ii) which are 
contemplated by the annual operating budget. 

          (h)  Enter into any contract for the sale of electrical energy or 
capacity for a term in excess of six months.

          (i)  Elect to have the Company governed by the Illinois Limited 
Liability Company Act, as amended after June 1, 1997.

          (j)  Take any of the following actions: (i) dispose of any 
substantial portion of the Company's assets; (ii) merge with or consolidate 
into another entity or Person; (iii) continue the Company after dissolution, 
or (iv) change the structure by which the Company is organized.  

          (k)  Actions in this agreement specifically requiring approval of 
the Managers pursuant to this Section 6.4.  

<PAGE>

     6.5  Reliance by Third Parties.  Any person dealing with the Company, the 
Managers or any Member may rely upon a certificate signed by all members of 
the Board of Managers as to (i) the identity of any Managers or Members; (ii) 
any factual matters relevant to the affairs of the Company; (iii) the persons 
who are authorized to execute and deliver any document on behalf of the 
Company; or (iv) any action taken or omitted by the Company, the Managers or 
any Member.

     6.6  Compensation and Reimbursements.  Except as the Members may 
determine, the Managers shall not receive compensation from the Company for 
serving as Managers.  The Company shall reimburse the Managers for all out-of-
pocket expenses that they may incur in connection with the performance of 
their duties as Managers in accordance with the terms of this Operating 
Agreement.  

     6.7  Resignation and Removal.  Any Manager may resign upon at least ten 
(10) days' notice to the Members and other Managers (unless notice is waived 
by them) and may be removed, at any time, with or without cause, by a 
unanimous vote all of the Managers except the Manager whose removal is being 
voted upon.  However, no Manager may be removed, without cause, without the 
consent of the Member that designated such Manager.  In addition, a Manager 
may be removed, at any time, with or without cause, by the Member that 
designated such Manager upon written notice to the Members and the Manager 
being removed.  In the event that a Manager resigns or is removed, the Member 
or Members that designated such Manager will designate his or her replacement 
to serve the remaining balance of such Manager's term.

     6.8  Meetings and Action of Managers.  Except as to matters identified in 
Article 6.4 as to which the consent of the Managers appointed by Ridgewood is 
required, all action to be taken by the Managers of the Company shall be taken 
by affirmative vote of a majority of the Managers then in office or by 
unanimous written consent of the Managers then in office.  There is no 
requirement that the Managers hold a meeting in order to take action on any 
matter.  Meetings of the Managers may be called by any two or more of the 
Managers.  If action is to be taken at a meeting of the Managers, notice of 
the time, date and place of the meeting shall be given to each Manager by 
personal delivery, telephone or fax sent to the business or home address of 
each Manager at least twenty-four (24) hours in advance of the meeting, or by 
written notice mailed to each Manager at either such address at least seventy-
two (72) hours in advance of the meeting; however, no notice need be given to 
a Manager who waives notice before or after the meeting, or who attends the 
meeting without protesting, at or before its commencement, the inadequacy of 
notice to him or her.  Managers may attend a meeting in person or by proxy, 
and they may also participate in a meeting by means of conference telephone or 
similar communications equipment that permits all Managers to hear each other.  
A Chairman selected by the Managers shall preside at all meetings of the 
Managers.  The Chairman shall determine the order of business and the 
procedures to be followed at each meeting of the Managers.  The initial 
Chairman shall be Gerald R. Forsythe.

<PAGE>

     6.9  Reporting to Board of Managers.  Each Manager shall keep the other 
Members of the Board of Managers informed of all material matters that come to 
his or her attention in his or her capacity as Manager or otherwise.

     6.10  Other Officers and Employees.  The Managers may, by majority vote, 
elect and appoint such other officers, employees and agents of the Company, 
and grant such officers, employees and agents such responsibilities and 
duties, as they may deem necessary or appropriate to effectuate the provisions 
of this Operating Agreement and to conduct the business and affairs of the 
Company, subject, however, to limitations of authority set forth in this 
Agreement.  

     6.11  Matters Requiring Consent of the Indeck Members.  At such times as 
Ridgewood shall have elected the majority of the Board of Managers pursuant to 
Section 6.2(a) above, all of the provisions contained in Section 6.4 above 
shall remain applicable with the following modifications:  

          (a)  Wherever the phrase "Managers designated by Ridgewood" is used 
in such Section 6.4 it shall be deemed deleted and the phrase "Managers 
designated by the Indeck Members" shall be inserted in lieu thereof. 

          (b)  The provisions of subparagraph (f) shall be deleted and the 
following inserted in lieu thereof:  

          "Pay any money to provide any services to or engage in any 
transaction with, or enter into any contract or agreement with Ridgewood or 
any Affiliate of Ridgewood; provided, however, that upon any termination by 
the Company of any agreements or understandings between the Company and any of 
the Indeck Members or their respective Affiliates, the Members hereby 
authorize and direct the Company to enter into and perform agreements between 
the Company and Ridgewood or its Affiliates on terms and conditions which are 
not in any material respect less favorable to the Company than the terms and 
conditions of the agreements between the Company and the Indeck Members and 
their respective Affiliates as such agreements existed on the date 
immediatesly preceeding the date of termination thereof; and  

          (c)  the phrase "six months" in Section 6.4(h) shall be deleted and 
the phrase "two years" inserted in lieu thereof.  

<PAGE>

                           ARTICLE VII
                 ALLOCATION OF PROFITS AND LOSSES

     7.1  Allocations of Profits and Losses. 
          (a)  General Rules.  Except as otherwise provided in Section 7.1(b) 
or Section 7.1(c)(i) and after giving effect to the allocations set forth in 
Section 7.1(c)(ii) and 7.1(c)(iii), all Profits and Losses shall be allocated 
among the Members in the following order of priority:

               (i)  FIRST, there shall be allocated to each Member (other than 
Ridgewood) with respect to each Fiscal Year, Profits (including gross income 
and gain, if necessary) so that the cumulative amount of Profits allocated 
pursuant to this Section 7.1(a)(i) is equal to the cumulative amount of the 
distributions theretofore made or to be made to each such Member pursuant to 
Sections 8.1(b) and 8.1(c) with respect to such Fiscal Year; and

               (ii)  SECOND, all remaining items of Profits and Losses, and 
other items in the nature of income, gain, loss or deduction shall be 
allocated to Ridgewood.

          (b)  Depreciation.  All Depreciation shall be allocated to 
Ridgewood.

          (c)  Special Rules.

               (i)  LOSS LIMITATIONS.  The Losses and Depreciation allocated 
to any Member pursuant to Sections 7.1(a) and (b) with respect to any Fiscal 
Year shall not exceed the maximum amount of Losses and Depreciation that can 
be so allocated without causing such Member to have an Adjusted Capital 
Account Deficit at the end of such year.  All Losses and Depreciation in 
excess of the limitation set forth in this Section shall be allocated to the 
remaining Members who will not be subject to this limitation, in proportion to 
and to the extent of their positive Capital Account balances.

               (ii)  QUALIFIED INCOME OFFSET.  If in any Fiscal Year a Member 
unexpectedly receives an adjustment, allocation or distribution described in 
Regulations (( 1.704-1(b)(2)(ii)(d)(5) or (6), and such allocation or 

distribution causes or increases an Adjusted Capital Account Deficit for such 

Fiscal Year, such Member shall be allocated items of income and gain 

(consisting of a pro rata portion of each item of Company income, including 

gross income and gain) in an amount and manner sufficient to eliminate such 
Adjusted Capital Account Deficit as quickly as possible.

               (iii)  LIMITED EFFECT; CURATIVE ALLOCATIONS. The special rules 
set forth in this Section 7.1(c) hereof (the "Regulatory Allocations") are 
intended to comply with certain requirements of the Code and Regulations.  The 

<PAGE>

Members do hereby acknowledge and agree that the Regulatory Allocations may 
not be consistent with the manner in which the Members intend to divide 
Company Losses and similar items.  Accordingly, the Tax Matters Member is 
hereby authorized and directed to divide other allocations of Profits, Losses, 
and other items of income, gain, loss and deduction among the Members in any 
reasonable manner so as to prevent the Regulatory Allocations from distorting 
the manner in which the Members intend to divide Company Profits, Losses and 
similar items.  In general, the Members anticipate that this will be 
accomplished by specially allocating other Profits, Losses, and other items of 
income, gain, loss and deduction among the Members so that, after such 
offsetting special allocations are made, the amount of each Member's Capital 
Account will be, to the extent possible, equal to the Capital Account balance 
such Member would have had if the Regulatory Allocations were not a part of 
this Agreement and all Profits, Losses and similar items had been allocated to 
the Members solely pursuant to Sections 7.1(a) and (b) hereof.

     7.2       Tax Allocations.  

          (a)  Generally.  Allocations for tax purposes of items of income, 
gain, loss and deduction, and credits and basis therefor, shall be made in the 
same manner as allocations of Profits, Losses and similar items as provided 
for in Section 7.1.  Allocations pursuant to this Section 7.2 are solely for 
purposes of federal, state and local income taxes and shall not affect, or in 
any way be taken into account in computing, any Partner's Capital Account or 
share of Profits, Losses, other items or distributions pursuant to any 
provision of this Agreement.

          (b)  Special Rules.  

               (i)  Elimination of Book/Tax Disparities.  If any Company 
property has a book value different from its adjusted tax basis to the Company 
for federal income tax purposes (whether by reason of the contribution of such 
property to the Company, the revaluation of such property hereunder, or 
otherwise), allocations of taxable income, gain, loss and deduction under this 
Section 7.2 with respect to such asset shall take account of any variation 
between the adjusted tax basis of such asset for federal income tax purposes 
and its book value in the same manner as under Code Section 704(c) or the 
principles set forth in Regulations ( 1.704-1(b)(2)(iv)(g), as the case may 

be.  Any elections or other decisions relating to such allocations shall be 

made by the Tax Matters Member in such manner as reasonably reflects the 

purpose and intention of this Agreement.


               (ii)  Allocation of Separately Stated Items Among Partners.  

Each item of income, gain, loss, deduction and credit governed by Code Section 
702(a) shall be allocated among the Members in proportion to the allocation of 
Profits, Losses and similar items as provided for in Section 7.1.

<PAGE>

          (c)  Conformity of Reporting.  The Members are aware of the income 
tax consequences of the allocations made by this Section 7.2 and hereby agree 
to be bound by the provisions of this Section 7.2 in reporting their shares of 
Company income, loss, credits and other items for income tax purposes, except 
in the case of manifest error.

     7.3  Allocation Rules for Changes in Membership Interests.  If there is a 
change in any Member's share of the Company's Profits, Losses or similar items 
during any Fiscal Year, including any change resulting from a Member's 
transfer of all or any portion of its membership interest, allocations among 
the Members shall be made in accordance with their interests in the Company 
from time to time during such Fiscal Year in accordance with Code Section 706, 
using the closing-of-the-books method, except that Depreciation and similar 
items shall be deemed to accrue ratably on a daily basis over the entire 
Fiscal Year during which the corresponding asset is owned by the Company for 
the entire year, and over the portion of a Fiscal Year after such asset is 
placed in service by the Company if such asset is placed in service during the 
Fiscal Year.

     7.4  Reimbursements.  All of the Company's expenses shall be billed 
directly to and paid by the Company.  

                           ARTICLE VIII
                          DISTRIBUTIONS

     8.1  Distributions.  The Company shall make the following distributions:

          (a)  Closing Distribution.   Upon the Closing of the Purchase 
Agreement, the Company shall make a distribution (the "Closing Distribution") 
to the Indeck Members (in accordance with the respective interests of the 
Indeck Members as shown on Exhibit 8.1), in the amount of (i) $13,000,000, 
(ii) less the amounts required to discharge all existing indebtedness of the 
Company, including without limitation amounts payable to Indeck Power 
Overseas, Ltd. in respect of a promissory note dated April 23, 1997, (iii) 
less amounts expended prior to the Effective Date to bring each Project into 
operating condition, including without limitation amounts payable to Indeck 
Energy Services, Inc. and any of its Affiliates that have paid Company 
expenses or advanced funds to the Company, and (iv) plus the amounts of any 
prepaid expenses of the Company determined in accordance with generally 
accepted accounting principles as of the Effective Date.

          Since the exact amount of the Closing Distribution will not be known 
on the date of closing of the Purchase Agreement, the Company shall make a 
preliminary distribution (the "Preliminiary Closing Distribution") on the date 
of closing of an estimated amount determined by the Board of Managers, subject 
to a reasonable reserve.  Within sixty (60) days after closing, the Board of 
Managers shall detemine the exact amount of the Closing Distribution and the 
Company shall make a final distribution of the excess of the Closing 
Distribution over the amount of the Preliminary Closing Distribution, or the 
Indeck Members shall return to the Company an amount equal to the excess of 
the Preliminary Closing Distribution over the amount of the Closing 
Distribution, as the case may be.

<PAGE>

          (b)  Distribution of Net Cash Flow From Operations.  For each Fiscal 
Year, the Company shall distribute Net Cash Flow From Operations to the 
Members in the following order of priority:

               (i)  FIRST, the Company shall distribute to Ridgewood one 
hundred percent (100%) of Net Cash Flow From Operations until Ridgewood has 
received the full amount of any unpaid portion of Ridgewood's Priority Return 
From Operations for any preceding Fiscal Year;

               (ii)  SECOND, the Company shall distribute to Ridgewood one 
hundred percent (100%) of Net Cash Flow From Operations until Ridgewood has 
received Ridgewood's Priority Return From Operations for the current Fiscal 
Year;
          
               (iii)  THIRD, the Company shall distribute one hundred percent 
(100%) of Net Cash Flow From Operations to the Indeck Members (in accordance 
with the respective interests of the Indeck Members as shown on Exhibit 8.1) 
until the Indeck Members have collectively received an amount equal to the 
amount distributed to Ridgewood with respect to the current Fiscal Year 
pursuant to Section 8.1(b)(ii) above.

               (iv)  FOURTH, after the Company has satisfied all the preceding 
distribution requirements of this Section 8.1(b), the Company shall thereafter 
distribute any remaining balance of Net Cash Flow From Operations twenty-five 
percent (25%) to Ridgewood, and seventy-five percent (75%) to the Indeck 
Members (in accordance with the respective interests of the Indeck Members as 
shown on Exhibit 8.1), provided however that at such time as Ridgewood shall 
have received aggregate distributions equal to Ridgewood's Initial Capital 
Contribution pursuant to Section 8.1(c) below, the distribution percentages 
set forth in this Section 8.1(b)(iv) shall be amended to fifty percent (50%) 
to Ridgewood and fifty percent (50%) to the Indeck Members.  

          (c)  Distributions of Net Cash Flow From Capital Events.  The 
Company shall distribute Net Cash Flow From Capital Events to the Members 
fifty percent (50%) to Ridgewood and fifty percent (50%) to the Indeck Members 
(in accordance with the respective interests of the Indeck Members as shown on 
Exhibit 8.1); provided, however, to the extent that Net Cash Flow From Capital 
Events is attributable to events which may have a material adverse effect upon 
the ability of the Facilities to operate in the ordinary course consistent 
with past practices (such as insurance or condemnation proceeds), such 
proceeds shall be applied first to restore the normal operating capabilities 
of the Facilities prior to any distributions to Members.

     8.2  Procedure.  Distributions under Sections 8.1(b) and 8.1(c) shall be 
made by the Company on a quarterly basis within fifteen (15) days after the 
end of each calendar quarter, based upon good faith estimates for the Fiscal 
Year made by the Board of Managers with due 

<PAGE>

regard for all information available to the Board of Managers at the time such 
distributions are made.  Each quarterly distribution shall be made by the 
Company as an interim advance against final determination of the results of 
operations for such Fiscal Year.  Within one hundred twenty (120) days after 
the end of each Fiscal Year, the Board of Managers shall determine Net Cash 
Flow From Operations and Net Cash Flow From Capital Events, and the 
distributions due to the Members with respect to such Fiscal Year.  Any excess 
of the amount so determined for a Member over the amount of interim advances 
received by such Member shall be distributed as soon as reasonably practicable 
after the amount of such Member's distribution has been determined, but in no 
event later than one hundred thirty (130) days after the end of such Fiscal 
Year.  Any excess of interim advances paid to a Member over the amount of 
distributions determined to be due such Member for any Fiscal Year shall be 
repaid to the Company by such Member within ten (10) days of the receipt of 
written notice from the Company that excess advances were made, and, to the 
extent not repaid, may be offset against future distributions to such Member.  
Until distributed, amounts due to the Members under this Article VIII shall be 
held in trust by the Company for the Persons entitled to distribution thereof.

                            ARTICLE IX
              TRANSFER OF MEMBERSHIP INTERESTS AND 
                      RESIGNATION OF MEMBERS

     9.1  Assignment and Transfer of Membership Interests.  An Indeck Member 
may sell, assign, pledge or otherwise transfer its interest in the Company to 
any other Person, and such person shall become a Substituted Member (as such 
term is used in the Act), only after the Member wishing to transfer his or her 
interest has received the prior written consent of Ridgewood, which consent 
shall not be unreasonably withheld so long as the transfer will not result in 
a termination of the Company under section 708 of the Internal Revenue Code.  
Ridgewood may sell, assign, pledge or otherwise transfer its interest in the 
Company to any other Person, and such Person shall become a Substituted Member 
(as such term is used in the Act), only after Ridgewood has received the prior 
written consent of the holders of a majority of the Indeck Members, which 
consent shall not be unreasonably withheld.  A purported transfer made by a 
Member in violation of this Section 9.1 shall be null and void ab initio, and 
the purported transferee shall have no right to participate in the management 
of the business and affairs of the Company or to become a Member.  The 
admission of a transferee as a Member may be conditioned upon satisfaction of 
such terms and compliance with such conditions as Ridgewood and the holders of 
a majority of the interests of the Indeck Members (other than the Member 
effecting the transfer) may determine, including, without limitation, 
requiring the transferee to execute such agreements, instruments and other 
documents as may be necessary or desirable to substitute the transferee for 
the transferring member hereunder.  

     9.2  Resignation.

          (a)  Generally.  Resignation of a Member prior to the end of the 
term of this Agreement shall constitute a violation of this Agreement.  
However, a Member ("Resigning Member") may resign from the Company 
("Resignation") by giving notice 

<PAGE>

to the Company and to each other Member ("Continuing Member").  Such 
Resignation shall be effective upon receipt of notice by all such parties.

          (b)  Damages.  In the event of a Resignation in violation of this 
Agreement, the Company shall be entitled to damages as provided by the Act.  
Such damages shall be offset against amounts that would be otherwise payable 
to the Resigning Member as distributions.

          (c)  Obligations of Resigning Members.  

               (i)  General.  No Resignation by a Resigning Member shall 
relieve such Member of its liabilities and obligations to the Company or the 
Members which arose or accrued prior to the effective date of such 
Resignation.

               (ii)  Use of Members' Names and Name Change Matters.  From and 
after the effective date of a Resignation, neither the Company nor any of its 
Affiliates shall use any of the names of the Resigning Member.  No later than 
60 days following the effective date of such Resignation, the Company shall 
obliterate the aforesaid names from all assets and properties of the Company, 
including obliteration from letterhead, labelling, packaging, data sheets, 
invoices, stationary, business cards and other materials distributed to third 
parties, or discard and replace any such materials with materials not bearing 
such names.  

          (d)  Ridgewood's Option to Purchase Resigning Members' Interest.  In 
the event that any of the Indeck Members elect to resign as Members, Ridgewood 
shall have the option, exercisable upon thirty (30) days written notice from 
the Company that an Indeck Member has tendered its resignation, to purchase 
such tendered interest from the Company for the sum of One Hundred Dollars 
($100).

          (e)  Survival.  The rights and obligations of the Members under this 
Article IX shall survive any termination of this Agreement or dissolution of 
the Company.  

                            ARTICLE X
                    DISSOLUTION AND WINDING UP

     10.1  Dissolution.  The Company shall be dissolved and its affairs wound 
up upon the first to occur of the following events:  

          (a)  When the period fixed in the Articles of Organization for the 
duration of the Company shall expire; 

          (b)  By Member Consent; 

          (c)  The entry of a decree of judicial dissolution under the Act as 
to the Company.  

<PAGE>

The resignation, expulsion, bankruptcy, dissolution or withdrawal of any 
Member or the occurrence of any other event which terminates the continued 
membership of a Member in the Company shall not cause the dissolution of the 
Company.

     10.2  Procedures.  

          10.2.1.  Liquidation of Assets.  In the event of the dissolution of 
the Company, the members, the Managers or the person permitted by the Act to 
wind up the Company's affairs (the Members, the Managers or such other Person 
being referred to herein as the "Liquidating Agent") shall commence to wind up 
the affairs of the Company and liquidate its assets as promptly as is 
consistent with obtaining the fair value thereof.  In connection with any such 
winding up, a financial statement of the Company as of the date of dissolution 
shall be prepared and furnished to all the Members by the Liquidating Agent.  
The Members shall continue to share Profits and Losses during the period of 
winding up in accordance with Section 7.1.  

          10.2.2.  Authority of Liquidating Agent.  In connection with the 
winding up and dissolution of the Company, in addition to the rights and 
powers conferred by the Act, the Liquidating Agent shall have all of the 
rights and powers with respect to the assets and liabilities of the Company 
that a Manager would have pursuant to this Operating Agreement or any other 
applicable law.  

          10.2.3.  Distribution of Assets.  Upon winding up of the Company, 
following the payment of, or provision for, the distributions required by the 
Act, and subject to the right of the Liquidating Agent to set up such reserves 
as may be reasonably necessary pursuant to the Act, the net proceeds of the 
liquidation of the Company shall be distributed to the Members in accordance 
with Section 8.1 of this Agreement.

          10.2.4.  No Recourse to Assets of Members.  Each Member shall look 
solely to the assets of the Company for all distributions with respect to the 
Company and such Member's capital contributions thereto and share of profits 
or losses thereof, and shall have no recourse therefor (upon dissolution of 
the Company or otherwise) against any other Member.  

     10.3  Termination of the Company.  Upon completion of the winding up of 
the Company and the distribution of all Company funds and other assets, the 
Liquidating Agent shall take or cause to be taken such actions as are 
necessary or reasonable in order to effectuate the dissolution and termination 
of the Company, including the filing of a certificate of cancellation with the 
Secretary of State.  

                            ARTICLE XI
                FISCAL AND ADMINISTRATIVE MATTERS

     11.1  Accounting Period.  The accounting period of the Company for both 
financial and tax reporting purposes shall be the Fiscal Year.

<PAGE>

     11.2  Deposits.  All funds of the Company shall be deposited from time to 
time to the credit of the Company in such banks, trust companies or other 
depositories as the Managers may select.    

     11.3  Checks, Drafts, Etc.  All checks, drafts or other orders for the 
payment of money, and, subject to Section 6.4, all notes or other evidences of 
indebtedness, issued in the name of the Company shall be signed by any Manager 
or other Person specified by the Managers, by form of bank resolution, or 
authorized by other action of the Managers.  

     11.4  Contracts.  Subject to the limitations set forth in Section 6.4 
hereof, the Managers may authorize any person, Member or agent of the Company 
to enter into any contract or execute any instrument in the name of, and on 
behalf of, the Company, and such authority may be general or confined to 
specific instances.  

     11.5  Books and Records.  The Company shall keep or cause to be kept 
accurate and complete minutes and records of the Managers and books and 
records of account of the Company, which shall be kept at the principal place 
of business of the Company or at such other places, within or without the 
State of Illinois, as the Members shall from time to time determine.  

          11.5.1  Right of Inspection.  Any Member of the Company shall have 
the right to examine at any reasonable time or times for any purpose, the 
minutes and records of the Managers and the books and records of account of 
the Company, and to make copies thereof.  Upon the written request of any 
Member of the Company, the Company shall cause to be mailed to such Member the 
most recent financial statements of the Company, showing in reasonable detail 
its assets and liabilities and the results of its operations.  Such inspection 
may be made by any agent or duly appointed attorney of the member making such 
request.  

          11.5.2  Financial Records.  All books and records of account of the 
Company shall be maintained and reported based upon the accrual basis of 
accounting and otherwise in accordance with generally accepted accounting 
principles.  

     11.6  Administrative Matters.  

          11.6.1  "Tax Matters Member".  The Members agree that Ridgewood's 
acquisition of its membership interest terminated the Company as a partnership 
on the date of the closing of the Purchase Agreement, under Code Section 
708(b)(1)(B).  The Company as constituted before such closing date (the "Old 
Tax Partnership") shall file a final information return for the period ending 
on such closing date.  Gerald R. Forsythe shall remain the Tax Matters Partner 
(as defined in Code Section 6231(a)(7)) of the Old Tax Partnership.  The Old 
Tax Partnership shall file a section 754 election with its final return, so 
that the tax basis in the Company as constituted on such closing date and 
thereafter (the "New Tax Partnership") will have asset tax basis determined by 
reference to the Membership Interest Purchase Price paid by Ridgewood.  
Ridgewood is hereby designated the "Tax Matters Partner" of the New Tax 
Partnership.  The New Tax Partnership shall obtain a new federal employer 
identification number and shall file an initial information return for the 
period beginning on such closing date.  

<PAGE>

The Tax Matters Member is authorized and required (i) to represent the Company 
(at the Company's expense) in connection with all examinations of the 
Company's affairs by tax authorities, including administrative and judicial 
proceedings ("Tax Proceedings"), (ii) to make all applicable elections, 
determinations and other decisions under the Code required of the Company, 
including without limitation, the rates of depreciation to be claimed by the 
Company, the deductibility of any particular item of expense and the positions 
to be taken on the Company's tax returns, and (iii) to expend Company funds 
for professional services and costs associated with the Company's tax affairs.  

          11.6.2  Address of Tax Matters Member.  The name and mailing address 
of theTax Matters Member of the New Tax partnership is:  

                    Ridgewood Maine, L.L.C.
                    c/o Ridgewood Power Corporation
                    947 Linwood Avenue
                    Ridgewood, New Jersey  07450

          11.6.3  Cooperation.  Each Member agrees to cooperate with the Tax 
Matters Member and to do or refrain from doing any or all things reasonably 
requested by the Tax Matters Member with respect to the conduct of any Tax 
Proceedings.  The Members shall each take reporting positions on their 
respective federal, state and local income tax returns consistent with the 
positions determined for the Company.  

          11.6.4  Filings.  The Tax Matters Member shall arrange for the 
preparation and timely filing of all tax returns required to be filed by the 
Company and the distribution of Form K-1 or other similar forms to all Members 
on or before March 1st of each year.  

          11.6.5  Authorization.  The actions of the Tax Matters Member shall 
be deemed to be authorized by the unanimous consent of the Members with 
respect to the matters set forth in Sections 7.2, 7.5 and 11.6.1.  

          11.6.6  Reporting to Members.  The Tax Matters Member shall keep the 
other Members informed of all material matters that may come to its attention 
in its capacity as Tax Matters Member, shall consult with all of the Members 
and permit all such Members to participate with the Tax Matters Member in such 
matters.  Such participation shall include, without limitation, the right to 
review the Company's tax returns at a reasonable time prior to filing, and the 
right to attend, with the Tax Matters Member, any meetings with any taxation 
or auditing authority.  
     
     11.7  Financial Statements.  The Company shall prepare and provide to 
each Member (a) unaudited quarterly financial statements within thirty (30) 
days of the end of each fiscal quarter, and (b) audited financial statements 
of the Company within 90 days of the end of each Fiscal Year.  The audit of 
the Company's financial statements shall be conducted by Price Waterhouse or 
another auditor acceptable to Ridgewood.

<PAGE>

     11.8  Effective Date.  The Members agree that the effective date of this 
Agreement is to be as of 12:01 AM, Eastern Daylight Time, June 11, 1997 (the 
"Effective Date") and that the economic results of the Facilities from and 
after the Effective Date shall be for the account of the Members in accordance 
with the terms and conditions hereof, notwithstanding any later date for the 
closing of the Purchase Agreement.  The Indeck Members shall take into 
account, shall report on their respective tax returns, and shall pay and 
discharge all taxes relating to all items of gain, income, depreciation or 
loss relating to the operation of the Company for the short taxable year 
ending on the date of the closing of the Purchase Agreement.  Each of the 
Members hereby agree to file their respective tax returns in a manner 
consistent with the provisions of this Section 11.8.

     11.9  Reserves.  The Members intend that the Board of Managers use the 
excess of (i) the aggregate amount of Capital Contributions made by Members as 
described in Section 4.1.1 over (ii) the aggregate distributions to the Indeck 
Members as contemplated by Section 8.1(a) to create Reserves.  

                           ARTICLE XII 
                         INDEMNIFICATION

     12.1  Right to Indemnification.  Except as limited by law and subject to 
the provisions of this Article, from and after the closing of the Purchase 
Agreement, the Company shall indemnify the Managers against all expenses 
incurred by them in connection with any proceeding in which the Managers are 
involved as a result of serving in such capacity, on or after such date, 
except that no indemnification shall be provided for a Manager regarding any 
matters as to which it shall be finally determined that the Manager did not 
act in good faith and in the reasonable belief that its action was in the best 
interests of the Company, or with respect to a criminal matter, that it had 
reasonable cause to believe that its conduct was unlawful.  Subject to the 
foregoing limitations, such indemnification may be provided by the Company 
with respect to a proceeding in which it is claimed that a Manager received an 
improper personal benefit by reason of its position, regardless of whether the 
claim arises out of the Manager's service in such capacity, except for matters 
as to which it is finally determined that an improper personal benefit was 
received by the Manager. 

     12.2  Award of Indemnification.  The determination of whether the Company 
is authorized to indemnify a Manager hereunder and any award of 
indemnification shall be made in each instance (a) by a majority of the 
Managers who are not parties to the proceeding in question, or (b) by 
independent legal counsel appointed by the Managers.  The Company shall be 
obligated to pay indemnification applied for by the Manager unless there is an 
adverse determination (as provided above) within forty-five (45) days after 
the application.  If indemnification is denied, the applicant may seek an 
independent determination of its right to indemnification by a court, and in 
such event, the Company shall have the burden of proving that the applicant 
was ineligible for indemnification under this Article.  Notwithstanding the 
foregoing, in the case of a proceeding by or in the right of the Company in 
which the Manager is adjudged liable to the Company, indemnification hereunder 
shall be provided to the Manager only upon a determination by a court having 
jurisdiction that in view of all the circumstances of 

<PAGE>

the case, the Manager is fairly and reasonably entitled to indemnification for 
such expenses as the court shall deem proper.

     12.3  Successful Defense.  Notwithstanding any contrary provisions of 
this Article, if a Manager has been wholly successful on the merits in the 
defense of any proceeding in which it was involved by reason of its position 
as Manager or as a result of serving in such capacity (including termination 
of investigative or other proceeding without a finding of fault on the part of 
the Manager), the Manager shall be indemnified by the Company against all 
expenses incurred by the Manager in connection therewith.

     12.4  Advance Payments.  Except as limited by law, expenses incurred by a 
Manager in defending any proceeding, include a proceeding by or in the right 
of the Company, shall be paid by the Company to the Manager in advance of 
final disposition of the proceeding upon receipt of its written undertaking to 
repay such amount if the Manager is determined pursuant to this Article or 
adjudicated to be ineligible for indemnification, which undertaking shall be 
an unlimited general obligation but need not be secured and may be accepted 
without regard to the financial ability of the Manager to make repayment; 
provided, however, that no such advance payment of expenses shall be made if 
it is determined pursuant to Section 12.2 of this Article on the  basis of the 
circumstances known at the time (without further investigation) that the 
Manager is ineligible for indemnification.

     12.5  Definitions.  For purposes of this Article:

          "Manager" includes (i) a person serving as an officer of the Company 
or in a similar executive capacity appointed by the Manager and exercising 
rights and duties delegated by the Manager, (ii) a person serving at the 
request of the Company as a director, manager, officer, employee or other 
agent of another organization, and (iii) any person who formerly served in any 
of the foregoing capacities;

          "expenses" means all expenses, including attorneys' fees and 
disbursements, actually and reasonably incurred in defense of a proceeding or 
in seeking indemnification under this Article, and except for proceedings by 
or in the right of the Company or alleging that the Manager received an 
improper personal benefit, any judgments, awards, fines, penalties and 
reasonable amounts paid in settlement of a proceeding; and 

          "proceeding" means any threatened, pending or completed action, suit 
or proceeding, whether civil, criminal, administrative or investigative, and 
any claim which could be the subject of a proceeding.

     12.6  Insurance.  The Company shall have power to purchase and maintain 
insurance on behalf of any Manager, officer, agent or employee against any 
liability or cost incurred by such person in any such capacity or arising out 
of its status as such, whether or not the Company would have power to 
indemnify against such liability or cost.

<PAGE>

     12.7  Employee Benefit Plan.  If the Company or the Manager sponsors or 
undertakes any responsibility as a fiduciary with respect to an employee 
benefit plan, then for purposes of this Article (i) "Manager" shall be deemed 
to include the Manager or any officer of the Company who serves at its request 
in any capacity with respect to said plan, (ii) the Manager or officer shall 
not be deemed to have failed to act in good faith or in the reasonable belief 
that its action was in the best interests of the Company if the Manager or 
officer acted in good faith and in the reasonable belief that its action was 
in the best interests of the participants or beneficiaries of said plan, and 
(iii) "expenses" shall be deemed to include any taxes or penalties imposed 
upon the Manager or officer with respect to said plan under applicable law.

     12.8  Heirs and Personal Representatives.  The indemnification provided 
by this Article shall inure to the benefit of the heirs and personal 
representatives of each Manager.

     12.9  Non-Exclusivity.  The provisions of this Article shall not be 
construed to limit the power of the Company to indemnify its Manager, Members, 
officers, employees or agents to the full extent permitted by law or to enter 
into specific agreements, commitments or arrangements for indemnification 
permitted by law.  The absence of any express provision for indemnification 
herein shall not limit any right of indemnification existing independently of 
this Article.

     12.10  Amendment.  The provisions of this Article may be amended or 
repealed in accordance with Section 13.2; however, no amendment or repeal of 
such provisions that adversely affects the rights of the Manager under this 
Article with respect to its acts or omissions at any time prior to such 
amendment or repeal shall apply to the Manager without its consent.

                           ARTICLE XIII
                          MISCELLANEOUS

     13.1  Waivers.  The failure at any time of either Member to require 
performance by the other Member of any responsibility or obligation required 
by this Operating Agreement shall in no way affect a Member's right to require 
such performance at any time thereafter, nor shall the waiver by a Member of a 
breach of any provision of this Operating Agreement by the other Member 
constitute a waiver of any other breach of the same or any other provision nor 
constitute a waiver of the responsibility or obligation itself.  

     13.2  Amendment.  This Operating Agreement may be amended only by an 
instrument, including an Addendum, in writing duly executed by all of the 
Members.  

     13.3  Assignability.  This Operating Agreement shall be binding upon and 
inure to the benefit of the successors and assigns of each party hereto.  
Subject to the terms of this Operating Agreement, neither this Operating 
Agreement nor any right (other than a right to receive the payment of money) 
or obligation hereunder may be assigned or delegated in whole or in part to 
any other Person without the prior written consent of the other Members.  

     13.4 Notices.  In any case where any notice or other communications is 
required or permitted to be given hereunder (including, without limitation, 
any change in the information set 

<PAGE>

forth in this Section 13.4), such notice or communication shall be in writing 
and (i) personally delivered, (ii) sent by postage prepaid registered airmail, 
(iii) transmitted by telex or telecopy, or (iv) sent by established overnight 
courier service as follows:  

               If to the Company:
                    INDECK MAINE ENERGY, L.L.C.
                    1130 Lake Cook Rd.
                    Buffalo Grove, Illinois  60090
                    (847) 520-3212
                    Attn:  Law Department

               If to Gerald R. Forsythe:
                    Gerald R. Forsythe
                    c/o Indeck Maine Energy, L.L.C. 
                    1075 Noel Avenue
                    Wheeling, Illinois  60090
                    (847) 459-4250

               If to Thomas & Silvia Campone
                    1130 Lake Cook Rd.
                    Buffalo Grove, Illinois  60089
                    (847) 520-3212

               If to Michelle R. Fawcett:
                    c/o Indeck Maine Energy, L.L.C.
                    1075 Noel Avenue
                    Wheeling, Illinois  60090
                    (847) 459-4250

               If to Marsha F. Fournier:
                    1075 Noel Avenue
                    Wheeling, Illinois  60090
                    (847) 459-4250

               If to Monica Forsythe Breslow:
                    c/o Indeck Maine Energy, L.L.C.
                    1075 Noel Avenue
                    Wheeling, Illinois  60090
                    (847) 459-4250

               If to Melissa S. Forsythe:
                    1075 Noel Avenue
                    Wheeling, Illinois  60090
                    (847) 459-4250

<PAGE>

               If to Ridgewood:
                    c/o Ridgewood Power Corporation
                    947 Linwood Avenue
                    Ridgewood, New Jersey  07450
                    (201) 447-0474

All such notices or other communications shall be deemed to have been given or 
received (i) upon receipt if personally delivered, (ii) on attempt at delivery 
if delivery is refused by the addressee if by postage prepaid registered 
airmail, and (iii) when sent with confirmed answer-back if by telex or 
telecopy.  

     13.5  Third Party Rights.  Nothing in this Operating Agreement, whether 
express or implied, is intended or shall be construed to confer, directly or 
indirectly, upon or give to any Person other than the Company, the members and 
their Affiliates, any legal or equitable right, remedy or claim under or in 
respect of this Operating Agreement or any covenant, condition or other 
provision contained herein.  

     13.6  Choice of Law.  This Operating Agreement shall be construed and 
enforced in accordance with and governed by the laws of the State of Illinois 
without giving effect to the principles of conflict of laws thereof.  

     13.7  Headings.  The headings of the Articles and Sections in this 
Operating Agreement are provided for convenience of reference only and shall 
not be deemed to constitute a part hereof.             

     13.8  Entire Agreement.  This Operating Agreement, together with the 
Exhibits hereto and the agreements and instruments expressly provided for 
herein, constitute the entire agreement of the parties hereto with respect to 
the subject matter hereof and supersede all prior agreements and 
understandings, oral and written, among the parties hereto with respect to the 
subject matter hereof.  

     13.9  Severability.  Should any provision of this Operating Agreement be 
deemed in contradiction with the laws of any jurisdiction in which it is to be 
performed or unenforceable for any reason, such provision shall be deemed null 
and void, but this Operating Agreement shall remain in full force in all other 
respects.  Should any provision of this Operating Agreement be or become 
ineffective because of changes in applicable laws or interpretations thereof, 
or should this Operating Agreement fail to include a provision that is 
required as a matter of law, the validity of the other provisions of this 
Operating Agreement shall not be affected thereby.  If such circumstances 
arise, the parties hereto shall negotiate in good faith appropriate 
modifications to this Operating Agreement to reflect those changes that are 
required by law.  In the event of a conflict between the provisions of this 
Operating Agreement or any provision of the Articles of Organization or the 
Act, the applicable provision of this Operating Agreement shall control, to 
the extent permitted by law.

<PAGE>

     13.10  Counterparts.  This Operating Agreement may be executed in several 
counterparts, each of which shall be deemed an original, but all of which 
together shall constitute one and the same instrument.  

     13.11  Pronouns and Plurals.  All pronouns and variations thereof in this 
Operating Agreement shall be deemed to refer to the masculine, feminine, 
neuter, singular or plural, as the identity of any person or persons referred 
to may require.  

     13.12  Further Assurances.  Each Member shall execute such deeds, 
assignments, endorsements, evidences of transfer and other instruments and 
documents and shall give such further assurances as shall be necessary to 
perform its obligations hereunder.  The obligations of the Members set forth 
in this Section 13.12 shall survive the termination of this Operating 
Agreement.  

     13.13  Power of Attorney.  Each Member hereby appoints any Manager, 
acting pursuant to authorization from the Board of Managers, as agent and 
attorney-in-fact to execute such documents and to take such action as may be 
necessary to comply with the laws of any jurisdiction requiring the filing of 
copies of this Operating Agreement or certificates with respect hereto or with 
respect to the use of the Company's name.  



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<PAGE>

     IN WITNESS WHEREOF the undersigned, being all of the Members of INDECK 
MAINE ENERGY, L.L.C., organized under the laws of Illinois, have executed this 
Operating Agreement as of the date and year first above written.  

_/s/ Gerald R. Forsythe__________       _/s/ Thomas M. Campone____________
GERALD R. FORSYTHE                      THOMAS M. CAMPONE

_/s/ Michelle R. Fawcett_________       _/s/ Silvia Campone_______________
MICHELLE R. FAWCETT                     SILVIA CAMPONE

_/s/ Marsha F. Fournier__________       _/s/ Monica J. Breslow____________
MARSHA F. FOURNIER                      MONICA FORSYTHE BRESLOW


_/s/ Melissa S. Forsythe_________       
MELISSA S. FORSYTHE                


                              RIDGEWOOD MAINE, L.L.C.

                              By:  RIDGEWOOD PENOBSCOT MANAGEMENT CORPORATION,
                                   Manager

                              By:  /s/ Mary Louise Olin
                              Name: Mary Louise Olin
                              Title: Vice President & Secretary
          




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