THERMO ECOTEK CORP
10-Q, 1998-02-10
COGENERATION SERVICES & SMALL POWER PRODUCERS
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                       SECURITIES AND EXCHANGE COMMISSION


                              Washington, DC 20549

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

                                    FORM 10-Q

    (mark one)

    [ X ] Quarterly Report Pursuant to Section 13 or 15(d) of the Securities
          Exchange Act of 1934 for the Quarter Ended January 3, 1998.

    [   ] Transition Report Pursuant to Section 13 or 15(d) of the
          Securities Exchange Act of 1934.

                         Commission File Number 1-13572

                            THERMO ECOTEK CORPORATION
             (Exact name of Registrant as specified in its charter)

    Delaware                                                       04-3072335
    (State or other jurisdiction of                          (I.R.S. Employer
    incorporation or organization)                        Identification No.)

    245 Winter Street, Suite 300
    Waltham, Massachusetts                                              02154
    (Address of principal executive offices)                       (Zip Code)

       Registrant's telephone number, including area code: (781) 622-1000

              Indicate by check mark whether the Registrant (1)
              has filed all reports required to be filed by
              Section 13 or 15(d) of the Securities Exchange Act
              of 1934 during the preceding 12 months (or for
              such shorter period that the Registrant was
              required to file such reports), and (2) has been
              subject to such filing requirements for the past
              90 days. Yes [ X ] No [   ]

              Indicate the number of shares outstanding of each
              of the issuer's classes of Common Stock, as of the
              latest practicable date.

                    Class                Outstanding at January 30, 1998
         ----------------------------    -------------------------------
         Common Stock, $.10 par value               24,375,995
PAGE
<PAGE>
    PART I - FINANCIAL INFORMATION

    Item 1 - Financial Statements

                            THERMO ECOTEK CORPORATION

                           Consolidated Balance Sheet
                                   (Unaudited)

                                     Assets


                                                   January 3,  September 27,
    (In thousands)                                       1998           1997
    ------------------------------------------------------------------------
    Current Assets:
      Cash and cash equivalents                      $ 54,480       $ 83,540
      Restricted funds                                 14,104         20,773
      Accounts receivable and unbilled revenues        33,572         33,039
      Inventories:
        Raw materials and supplies                     15,975         11,886
        Work in process and finished goods              7,301          2,030
      Prepaid income taxes                              4,467          4,298
      Other current assets                              1,449          1,728
                                                     --------       --------
                                                      131,348        157,294
                                                     --------       --------

    Property, Plant, and Equipment, at Cost           352,203        328,837
      Less: Accumulated depreciation and
            amortization                               70,831         65,770
                                                     --------       --------
                                                      281,372        263,067
                                                     --------       --------
    Due from Parent Company                            10,164         10,164
                                                     --------       --------
    Long-term Available-for-sale Investments,
      at Quoted Market Value (amortized cost
      of $8,504 in fiscal 1998 and 1997)               14,879         12,497
                                                     --------       --------
    Restricted Funds                                   21,175         20,905
                                                     --------       --------
    Other Assets                                       19,511         21,378
                                                     --------       --------
                                                     $478,449       $485,305
                                                     ========       ========



                                        2PAGE
<PAGE>
                            THERMO ECOTEK CORPORATION

                     Consolidated Balance Sheet (continued)
                                   (Unaudited)

                    Liabilities and Shareholders' Investment


                                                   January 3,  September 27,
    (In thousands except share amounts)                  1998           1997
    ------------------------------------------------------------------------
    Current Liabilities:
      Current portion of long-term obligations       $ 31,183       $ 35,012
      Accounts payable                                  3,028          4,031
      Lease obligations payable                         5,544          1,736
      Accrued interest                                    949          3,524
      Other accrued expenses                           21,751         21,022
      Due to parent company                               956          1,255
                                                     --------       --------
                                                       63,411         66,580
                                                     --------       --------

    Long-term Obligations:
      Nonrecourse tax-exempt obligations               37,600         51,800
      Subordinated convertible debentures (includes
        $68,500 due to parent company in fiscal
        1998 and 1997)                                126,618        130,648
      Capital lease obligations                        17,204         22,242
                                                     --------       --------
                                                      181,422        204,690
                                                     --------       --------
    Deferred Income Taxes                              54,188         49,934
                                                     --------       --------
    Other Deferred Items                               16,157         13,521
                                                     --------       --------
    Minority Interest                                   7,951          3,304
                                                     --------       --------
    Shareholders' Investment:
      Common stock, $.10 par value, 50,000,000
        shares authorized; 26,275,395 and
        25,978,198 shares issued                        2,628          2,598
      Capital in excess of par value                   99,506         95,573
      Retained earnings                                76,851         67,593
      Treasury stock at cost, 1,860,061 and
        1,477,250 shares                              (27,544)       (20,872)
      Cumulative translation adjustment                    (9)           (52)
      Net unrealized gain on available-for-sale
        investments                                     3,888          2,436
                                                     --------       --------
                                                      155,320        147,276
                                                     --------       --------
                                                     $478,449       $485,305
                                                     ========       ========
    The accompanying notes are an integral part of these consolidated
    financial statements.

                                        3PAGE
<PAGE>
                            THERMO ECOTEK CORPORATION

                        Consolidated Statement of Income
                                   (Unaudited)


                                                    Three Months Ended
                                                ---------------------------
                                                January 3,     December 28,
    (In thousands except per share amounts)           1998             1996
    -----------------------------------------------------------------------
    Revenues                                       $47,809          $38,514
                                                   -------          -------
    Costs and Operating Expenses:
      Cost of revenues (includes $1,523 and
        $1,241 to related parties)                  31,395           26,228
      Selling, general, and administrative
        expenses (includes $478 and $412 to
        related parties)                             5,574            2,819
                                                   -------          -------
                                                    36,969           29,047
                                                   -------          -------

    Operating Income                                10,840            9,467

    Interest Income                                  1,540            1,396
    Interest Expense (includes $685 to parent
      company in fiscal 1998 and 1997)              (3,621)          (3,537)
    Gain on Issuance of Stock by Subsidiary
      (Note 3)                                       4,055                -
    Equity in Earnings (Loss) of Joint Venture          43              (26)
                                                   -------          -------
    Income Before Provision for Income Taxes and
      Minority Interest                             12,857            7,300
    Provision for Income Taxes                       3,326            2,749
    Minority Interest Expense                          273              251
                                                   -------          -------
    Net Income                                     $ 9,258          $ 4,300
                                                   =======          =======
    Earnings per Share (Note 4):
      Basic                                        $   .38          $   .18
                                                   =======          =======
      Diluted                                      $   .25          $   .12
                                                   =======          =======
    Weighted Average Shares (Note 4):
      Basic                                         24,412           24,507
                                                   =======          =======
      Diluted                                       39,456           37,882
                                                   =======          =======

    The accompanying notes are an integral part of these consolidated
    financial statements.

                                        4PAGE
<PAGE>
                            THERMO ECOTEK CORPORATION

                      Consolidated Statement of Cash Flows
                                   (Unaudited)

                                                      Three Months Ended
                                                   -------------------------
                                                   January 3,   December 28,
    (In thousands)                                       1998           1996
    ------------------------------------------------------------------------
    Operating Activities:
      Net income                                     $  9,258       $  4,300
      Adjustments to reconcile net income to net
        cash provided by operating activities:
          Minority interest expense                       273            251
          Depreciation and amortization                 5,540          5,160
          Gain on issuance of stock by subsidiary
            (Note 3)                                   (4,055)             -
          Increase in deferred income taxes             3,324          2,749
          Changes in current accounts, excluding
            the effect of acquisition:
              Restricted funds                          6,669        (14,252)
              Accounts receivable and unbilled
                revenues                                 (553)         6,233
              Inventories                                (638)        (1,684)
              Other current assets                        279            497
              Accounts payable                         (1,006)         1,213
              Lease obligations payable                 3,808          3,808
              Due to parent company                      (299)          (650)
              Other current liabilities                (2,220)           (51)
                                                     --------       --------
    Net cash provided by operating activities          20,380          7,574
                                                     --------       --------
    Investing Activities:
      Acquisition (Note 2)                            (19,100)             -
      Funding of long-term restricted funds              (270)        (2,133)
      Increase in other deferred items                  2,636          1,633 
      Increase in other assets                           (193)             -
      Purchases of property, plant, and equipment     (11,128)        (6,570)
                                                     --------       --------
    Net cash used in investing activities             (28,055)        (7,070)
                                                     --------       --------
    Financing Activities:
      Repayment of long-term obligations              (18,400)             -
      Payments under capital lease obligations         (4,703)             -
      Net proceeds from issuance of Company and
        subsidiary common stock (Note 3)                9,020             65
      Purchases of Company common stock                (6,877)             -
      Distribution to minority partner                   (453)          (487)
                                                     --------       --------
    Net cash used in financing activities             (21,413)          (422)
                                                     --------       --------
    Exchange Rate Effect on Cash                           28              -
                                                     --------       --------
    Increase (Decrease) in Cash and Cash Equivalents  (29,060)            82
    Cash and Cash Equivalents at Beginning of Period   83,540         63,238
                                                     --------       --------
    Cash and Cash Equivalents at End of Period       $ 54,480       $ 63,320
                                                     ========       ========
                                        5PAGE
<PAGE>
                            THERMO ECOTEK CORPORATION

                Consolidated Statement of Cash Flows (continued)
                                   (Unaudited)


                                                      Three Months Ended
                                                   -------------------------
                                                   January 3,   December 28,
    (In thousands)                                       1998           1996
    ------------------------------------------------------------------------
    Noncash Activities:
      Fair value of assets of acquired company       $ 19,825       $      -
      Cash paid for acquired company                  (19,100)             -
                                                     --------       --------
        Liabilities assumed of acquired company      $    725       $      -
                                                     ========       ========
      Conversion of noninterest-bearing
        subordinated convertible debentures          $  4,030       $  9,522
                                                     ========       ========


    The accompanying notes are an integral part of these consolidated
    financial statements.









                                        6PAGE
<PAGE>
                            THERMO ECOTEK CORPORATION

                   Notes to Consolidated Financial Statements


    1.  General

        The interim consolidated financial statements presented have been
    prepared by Thermo Ecotek Corporation (the Company) without audit and, in
    the opinion of management, reflect all adjustments of a normal recurring
    nature necessary for a fair statement of the financial position at
    January 3, 1998, and the results of operations and cash flows for the
    three-month periods ended January 3, 1998, and December 28, 1996. The
    Company's results of operations for the three-month periods ending
    January 3, 1998, and December 28, 1996, include 14 weeks and 13 weeks,
    respectively. Interim results are not necessarily indicative of results
    for a full year.

        The consolidated balance sheet presented as of September 27, 1997,
    has been derived from the consolidated financial statements that have
    been audited by the Company's independent public accountants. The
    consolidated financial statements and notes are presented as permitted by
    Form 10-Q and do not contain certain information included in the annual
    financial statements and notes of the Company. The consolidated financial
    statements and notes included herein should be read in conjunction with
    the financial statements and notes included in the Company's Annual
    Report on Form 10-K for the fiscal year ended September 27, 1997, filed
    with the Securities and Exchange Commission.

    2.  Acquisition

        In November 1997, the Company's Thermo Trilogy Corporation subsidiary
    acquired the sprayable bacillus thuringiensis (Bt) - biopesticide
    business of Novartis AG and its affiliates (the Bt business of Novartis)
    for $19.1 million in cash and the assumption of certain liabilities.

        This acquisition has been accounted for using the purchase method of
    accounting, and the results of operations of the Bt business of Novartis
    have been included in the accompanying financial statements from the date
    of acquisition. The cost of this acquisition equaled the estimated fair
    value of the net assets acquired. Allocation of the purchase price was
    based on an estimate of the fair value of the net assets acquired and is
    subject to adjustment upon finalization of the purchase-price allocation.
    The Company has gathered no information that indicates the final
    allocation will differ materially from the preliminary estimate. Based on
    unaudited data, the following table presents selected financial



                                        7PAGE
<PAGE>
                            THERMO ECOTEK CORPORATION

    2.  Acquisition (continued)

    information for the Company and the Bt business of Novartis on a pro
    forma basis, assuming that the Bt business of Novartis had been purchased
    at the beginning of fiscal 1997.

                                                      Three Months Ended
                                                   ------------------------
                                                   January 3,  December 28,
    (In thousands except per share amounts)              1998          1996
    -----------------------------------------------------------------------
    Revenues                                          $51,042       $44,520
    Net income                                          9,429         4,874
    Earnings per share:
      Basic                                               .39           .20
      Diluted                                             .26           .14

        The pro forma results are not necessarily indicative of future
    operations or the actual results that would have occurred had the
    acquisition of the Bt business of Novartis been made at the beginning of
    fiscal 1997.

    3.  Issuance of Stock by Subsidiary

        At the time a subsidiary sells its stock to unrelated parties at a
    price in excess of its book value, the Company's net investment in that
    subsidiary increases. If at that time the subsidiary is an operating
    entity and not engaged principally in research and development, the
    Company records the increase as a gain.

        If gains have been recognized on the issuance of a subsidiary's stock
    and shares of the subsidiary are subsequently repurchased either by the
    subsidiary, the Company, or Thermo Electron Corporation, gain recognition
    does not occur on issuances subsequent to the date of a repurchase until
    such time as shares have been issued in an amount equivalent to the
    number of repurchased shares.

        In December 1997, the Company's Thermo Trilogy subsidiary sold
    1,160,900 shares of its common stock in a private placement at $8.25 per
    share for net proceeds of $8.9 million, resulting in a gain of $4.1
    million. Following the private placement, the Company owned 87% of Thermo
    Trilogy's outstanding common stock.

    4.  Earnings per Share

        During the quarter ended January 3, 1998, the Company adopted
    Statement of Financial Accounting Standards No. 128, "Earnings per
    Share." As a result, all previously reported earnings per share have been
    restated; however, diluted earnings per share equals the Company's
    previously reported fully diluted earnings per share for the fiscal 1997
    period. Basic earnings per share have been computed by dividing net
    income by the weighted average number of shares outstanding during the
    period. Diluted earnings per share have been computed assuming the

                                        8PAGE
<PAGE>
                            THERMO ECOTEK CORPORATION

    4.  Earnings per Share (continued)

    conversion of convertible obligations and the elimination of the related
    interest expense, and the exercise of stock options, as well as their
    related income tax effects. Basic and diluted earnings per share were
    calculated as follows:

                                                         Three Months Ended
                                                         ------------------
                                                         Jan. 3,   Dec. 28,
    (In thousands except per share amounts)                 1998       1996
    -----------------------------------------------------------------------
    Basic
    Net income                                           $ 9,258    $ 4,300
                                                         -------    -------
    Weighted average shares                               24,412     24,507
                                                         -------    -------
    Basic earnings per share                             $   .38    $   .18
                                                         =======    =======
    Diluted
    Net income                                           $ 9,258    $ 4,300
    Effect of:
      Convertible debentures                                 790        418
                                                         -------    -------
    Income available to common
      shareholders, as adjusted                          $10,048    $ 4,718
                                                         -------    -------

    Weighted average shares                               24,412     24,507
    Effect of:
      Convertible debentures                              14,725     12,889
      Stock options                                          319        486
                                                         -------    -------
    Weighted average shares, as adjusted                  39,456     37,882
                                                         -------    -------
    Diluted earnings per share                           $   .25    $   .12
                                                         =======    =======

        The computation of diluted earnings per share excludes the effect of
    assuming the exercise of certain outstanding stock options because the
    effect would be antidilutive. At January 3, 1998, there were 98,050 of
    such options outstanding, with exercise prices ranging from $14.88 to
    $16.48 per share.



                                        9PAGE
<PAGE>
                            THERMO ECOTEK CORPORATION

    Item 2 - Management's Discussion and Analysis of Financial Condition and
             Results of Operations

        Forward-looking statements, within the meaning of Section 21E of the
    Securities Exchange Act of 1934, are made throughout this Management's
    Discussion and Analysis of Financial Condition and Results of Operations.
    For this purpose, any statements contained herein that are not statements
    of historical fact may be deemed to be forward-looking statements.
    Without limiting the foregoing, the words "believes," "anticipates,"
    "plans," "expects," "seeks," "estimates," and similar expressions are
    intended to identify forward-looking statements. There are a number of
    important factors that could cause the results of the Company to differ
    materially from those indicated by such forward-looking statements,
    including those detailed under the heading "Forward-looking Statements"
    in Exhibit 13 to the Company's Annual Report on Form 10-K for the fiscal
    year ended September 27, 1997, filed with the Securities and Exchange
    Commission.

    Overview

        The Company operates in two business segments: the Energy segment
    operates independent electric power-generation facilities through joint
    ventures, limited partnerships, or wholly owned subsidiaries (the
    Operating Companies) and the Biopesticide segment manufactures and sells
    biopesticides through the Company's majority-owned subsidiary, Thermo
    Trilogy Corporation.

        In the Energy segment, each Operating Company sells power under a
    long-term power-sales agreement. The profitability of operating the
    Company's facilities depends on the price received for power under the
    power-sales agreements with power purchasers, on plant performance or
    availability, and on the fuel, operating, and maintenance costs for the
    facilities. The Energy segment earns a disproportionately high share of
    its income in May to October due to the rate structures under the
    power-sales agreements for its California plants, which provide strong
    incentives to operate during this period of high demand. Conversely, the
    Energy segment has historically operated at a loss or marginal
    profitability during the second fiscal quarter due to the rate structure
    under these agreements. The Energy segment's profitability is also
    dependent on the amount of development expenses that it incurs.

        The Company has also entered the field of engineered clean fuels
    through a partnership agreement with KFx, Inc. (KFx). The Company is a
    95% partner in a partnership established to design, construct, and
    operate the first full-scale coal-beneficiation facility to use a
    patented K-fuel "clean coal" technology. This facility, located in
    Gillette, Wyoming, uses the K-fuel technology to transform high-moisture,
    low-energy coal into a low-moisture, high-energy, solid fuel.

        The Company plans to expand its energy operations into international
    markets and has begun business development efforts in India, Italy, and
    the Czech Republic. In January 1998, the Company, through a wholly owned
    subsidiary's participation in a Joint Venture (EMD Ventures), purchased

                                       10PAGE
<PAGE>
                            THERMO ECOTEK CORPORATION

    Overview (continued)

    an 83% interest in the assets of a 12-megawatt energy center near Tabor,
    Czech Republic, along with the business of five auxiliary boilers in the
    town of Pribram, Czech Republic. EMD Ventures has begun development
    efforts to expand the 12-megawatt facility to 50-megawatt capacity. The
    cost of business development efforts is expected to increase as the
    Company expands into these markets due to increased complexity inherent
    in foreign development. In addition, the amount of cash required to fund
    equity investments is expected to increase, due to the financing
    requirements of lenders in foreign markets.

        Thermo Trilogy's biopesticide products include botanical extracts
    from the seed of the tropical "neem" tree, microbial-based pesticides
    (fungal-based insecticides and fungicides, bacterial-based insecticides,
    baculovirus, and beneficial nematodes), insect pheromone-based products
    such as traps and lures, and disease-free sugar cane planting stock.
    These biopesticide products are used as alternatives or complements to
    conventional chemical-based pest-control technologies. In January 1997,
    Thermo Trilogy acquired substantially all of the assets of biosys, inc.
    In November 1997, Thermo Trilogy acquired the sprayable bacillus
    thuringiensis (Bt) - biopesticide business of Novartis AG and its
    affiliates (the Bt business of Novartis).

    Results of Operations

    First Quarter Fiscal 1998 Compared With First Quarter Fiscal 1997

        Total revenues in the first quarter of fiscal 1998 increased 24% to
    $47.8 million from $38.5 million in the first quarter of fiscal 1997.
    Revenues from the Energy segment in fiscal 1998 were $41.4 million,
    compared with $37.6 million in fiscal 1997. The increase was primarily
    due to higher contractual energy rates at all of the Company's
    facilities, except the Hemphill plant and, to a lesser extent, higher
    electrical generation at all of the Company's facilities in fiscal 1998
    due to the first quarter of fiscal 1998 including 14 weeks, compared with
    13 weeks in the first quarter of fiscal 1997. Pursuant to the Company's
    utility contracts for its four plants in California, there will be no
    further contractual energy rate increases beginning in calendar 1998.

        Revenues at Thermo Trilogy in the first quarter of fiscal 1998 were
    $6.4 million, compared with $0.9 million in the first quarter of fiscal
    1997. The increase was primarily due to the inclusion of revenues from
    biosys and the Bt business of Novartis, acquired in January 1997 and
    November 1997, respectively.

        The gross profit margin increased to 34% in the first quarter of
    fiscal 1998, compared with 32% in the first quarter of fiscal 1997. The
    gross profit margin for the Energy segment increased to 33% in fiscal
    1998, compared with 31% in fiscal 1997. The improvement resulted
    primarily from higher contractual energy rates at all of the Company's
    facilities in fiscal 1998, except the Hemphill plant.

                                       11PAGE
<PAGE>
                            THERMO ECOTEK CORPORATION

    First Quarter Fiscal 1998 Compared With First Quarter Fiscal 1997
    (continued)

        The gross profit margin for Thermo Trilogy decreased to 43% in the
    first quarter of fiscal 1998 from 65% in the first quarter of fiscal
    1997, due primarily to the inclusion in fiscal 1998 of lower-margin sales
    from biosys and the Bt business of Novartis.

        The Company's plants have power-sales agreements under which
    utilities presently purchase power at fixed rates. Certain of these
    arrangements contain provisions under which the utilities will convert
    from fixed rates to "avoided-cost" rates at specified dates. Avoided-cost
    rates are currently substantially less than the Operating Companies'
    fixed rates. The Woodland plant, which converts to avoided-cost rates in
    March 2000, has conditions in its nonrecourse lease agreement that
    require the funding of a "power reserve" in years prior to 2000, based on
    projections of operating cash flow shortfalls in 2000 and thereafter. The
    power reserve represents funds available to make lease payments in the
    event that revenues are not sufficient after the plant converts to
    avoided-cost rates. 

        Although it is difficult to predict future levels of avoided costs,
    based on current estimates, avoided costs are expected to be lower in
    2000 than the rates currently being paid. If the Woodland plant were to
    operate at projected avoided-cost rates, substantial losses would result,
    primarily due to nonrecourse lease obligations that extend beyond 2000.
    Absent sufficient reductions in fuel prices and other operating costs,
    the Company would either renegotiate its nonrecourse lease for the
    Woodland plant or forfeit its interest in the plant. In November 1996,
    the Company began to record as an expense the funding of reserves
    required under Woodland's nonrecourse lease agreement to cover projected
    shortfalls in lease payments beginning in 2000. Although the Company
    recorded $1.0 million of income from Woodland during the first quarter of
    fiscal 1997, the Company has not recorded any income since that time nor
    does it expect to record additional income at Woodland in the foreseeable
    future.

        The Company has continued to refine and optimize operations at its
    Gillette, Wyoming, coal-beneficiation facility. The Company has conducted
    extensive testing and operated the facility, producing commercially
    salable product. As stated previously, for tax purposes the facility must
    be "placed in service" by June 30, 1998, to qualify for certain tax
    credits on its output. Although the facility has operated and produced
    commercially salable product, the Company has encountered certain
    difficulties in optimizing its performance to achieve optimal and
    sustained operation. The Company has addressed and resolved certain
    problems previously encountered, including a fire at the facility and
    certain construction problems, including issues relating to the flow of
    materials within the facility and the design and operation of certain
    pressure-release equipment. Currently, the Company is experiencing
    certain operational problems relating to tar residue build-up within the
    system during production. The Company is actively exploring solutions to
    this problem. Because the technology being developed at the facility is
    new and untested, no assurance can be given that other difficulties will
    not arise or that the Company will be able to correct these problems and
    achieve optimal and sustained performance.

                                       12PAGE
<PAGE>
                            THERMO ECOTEK CORPORATION

    First Quarter Fiscal 1998 Compared With First Quarter Fiscal 1997
    (continued)

        Selling, general, and administrative expenses as a percentage of
    revenues were 12% in the first quarter of fiscal 1998, compared with 7%
    in the first quarter of fiscal 1997. The change resulted primarily from
    the inclusion of higher selling, general, and administrative expenses as
    a percentage of revenues at Thermo Trilogy due to the acquisitions of
    biosys and the Bt business of Novartis.

        Interest income increased to $1.5 million in the first quarter of
    fiscal 1998 from $1.4 million in the first quarter of fiscal 1997.
    Interest income earned on invested proceeds from the Company's April 1997
    issuance of 4 7/8% subordinated convertible debentures was largely offset
    by a reduction in invested funds due to cash expended for the acquisition
    of the Bt business of Novartis, the repurchase of Company common stock,
    and construction of the Gillette, Wyoming, coal-beneficiation facility.

        Interest expense increased to $3.6 million in the first quarter of
    fiscal 1998 from $3.5 million in the first quarter of fiscal 1997. An
    increase in interest expense related to the issuance of the 4 7/8%
    subordinated convertible debentures was largely offset by a decrease in
    interest expense due to lower outstanding debt related to the Company's
    Delano and Mendota plants.

        The Company and its parent, Thermo Electron Corporation, have adopted
    a strategy of spinning out certain of their businesses into separate
    subsidiaries and having these subsidiaries sell a minority interest to
    outside investors. The Company believes that this strategy provides
    additional motivation and incentives for the management of the
    subsidiaries through the establishment of subsidiary-level stock option
    incentive programs, as well as capital to support the subsidiaries'
    growth. As a result of the sale of stock by Thermo Trilogy, the Company
    recorded a gain on issuance of stock by subsidiary of $4.1 million in the
    first quarter of fiscal 1998. The size and timing of these transactions
    are dependent on market and other conditions that are beyond the
    Company's control. In addition, in October 1995, the Financial Accounting
    Standards Board (FASB) issued an exposure draft of a Proposed Statement
    of Financial Accounting Standards, "Consolidated Financial Statements:
    Policy and Procedures" (the Proposed Statement). The Proposed Statement
    would establish new rules for how consolidated financial statements
    should be prepared. If the Proposed Statement is adopted, there could be
    significant changes in the way the Company records certain transactions
    of its controlled subsidiaries. Among those changes, any sale of the
    stock of a subsidiary that does not result in a loss of control would be
    accounted for as a transaction in the equity of the consolidated entity
    with no gain or loss being recorded. The FASB continues to deliberate on
    this issue and the timing and contents of any final statement are
    uncertain. Accordingly, there can be no assurance that the Company will
    be able to realize gains from such transactions in the future.

        The effective tax rate was 26% in the first quarter of fiscal 1998,
    compared with 38% in the first quarter of fiscal 1997. The effective tax
    rate in the first quarter of fiscal 1998 was below the statutory federal

                                       13PAGE
<PAGE>
                            THERMO ECOTEK CORPORATION

    First Quarter Fiscal 1998 Compared With First Quarter Fiscal 1997
    (continued)

    income tax rate due to the nontaxable gain on issuance of stock by
    subsidiary. The effective tax rate in the first quarter of fiscal 1997
    exceeded the statutory federal income tax rate primarily due to the
    impact of state income taxes, offset in part by the exclusion of income
    taxed directly to a minority partner.

        Minority interest expense represents the allocation of income from
    plant operations to a minority partner in an Operating Company and, in
    fiscal 1998, minority shareholders' proportionate share of Thermo
    Trilogy's results.

    Liquidity and Capital Resources

        Working capital was $67.9 million at January 3, 1998, compared with
    $90.7 million at September 27, 1997. The Company had cash, cash
    equivalents, and current restricted funds of $68.6 million at January 3,
    1998, compared with $104.3 million at September 27, 1997. Current
    restricted funds held in trust pursuant to certain lease and debt
    agreements totaled $14.1 million and $20.8 million at January 3, 1998,
    and September 27, 1997, respectively. In addition, cash and cash
    equivalents include $10.0 million and $12.0 million at January 3, 1998,
    and September 27, 1997, respectively, which are restricted by the terms
    of certain lease and financing agreements. These restrictions limit the
    ability of the Operating Companies to transfer funds to the Company in
    the form of dividends, loans, advances, or other distributions. Further,
    until such time, if ever, as projections of avoided costs change, all
    cash flows from the Woodland Operating Company, other than cash required
    for tax distributions, will be restricted from distribution to the
    Company. During the first quarter of fiscal 1998, the Company's operating
    activities provided cash and restricted funds of $13.7 million. Cash of
    $3.8 million, provided by an increase in lease obligations payable due to
    semiannual payment requirements was offset in part by a decrease of $3.2
    million in accounts payable and other current liabilities.

        During the first quarter of fiscal 1998, the Company's investing
    activities used cash of $28.1 million. In November 1997, the Company,
    through Thermo Trilogy, acquired the Bt business of Novartis for $19.1
    million in cash and the assumption of certain liabilities. The Company,
    through its Limited Partnership Agreement with KFx Wyoming, Inc.,
    expended $4.2 million (net of insurance proceeds related to fire damage)
    for the construction of a coal-beneficiation facility in Gillette,
    Wyoming. Excluding costs which are currently undeterminable relating to
    the tar residue build-up problem, the Company expects to fund an
    additional amount of approximately $1.0 million of construction and
    related costs for the facility provided there are no further construction
    difficulties requiring additional funding.

        In November 1997, the Company entered into an agreement to acquire
    two power-generation facilities and related sites in California during
    the first six months of calendar 1998 for approximately $9.5 million in

                                       14PAGE
<PAGE>
                            THERMO ECOTEK CORPORATION

    Liquidity and Capital Resources (continued)

    cash and the assumption of certain liabilities. In January 1998, the
    Company, through a wholly owned subsidiary's participation in a joint
    venture, purchased an 83% interest in the assets of a 12-megawatt energy
    center near Tabor, Czech Republic, along with the business of five
    auxiliary boilers in the town of Pribram, Czech Republic, for $6.9
    million in cash.

        During the first quarter of fiscal 1998, the Company's financing
    activities used cash of $21.4 million. The Company used cash of $23.1
    million for the repayment of long-term obligations and payments under
    capital lease obligations related to two of its California plants. In
    December 1997, Thermo Trilogy issued shares of its common stock in a
    private placement for net proceeds of approximately $8.9 million (Note
    3). Through a series of transactions commencing in April 1997, the
    Company's Board of Directors has authorized the repurchase, through
    various dates, of up to $30 million of its own securities in the open
    market, or in negotiated transactions. Through January 3, 1998, the
    Company had repurchased $26.6 million in common stock under these
    authorizations, including $6.9 million during the first quarter of fiscal
    1998. Any such purchases are funded from working capital.

        Although the Company's projects are designed to produce positive cash
    flow over the long term, the Company will have to obtain significant
    amounts of funds from time to time to meet project-development
    requirements, including the funding of equity investments. As the Company
    acquires, invests in, or develops future plants or technologies, the
    Company expects to finance them with nonrecourse debt and to fund equity
    contributions through internal funds, raising additional equity, or
    through borrowings from third parties or Thermo Electron. While Thermo
    Electron has expressed its willingness to provide funds to the Company to
    help finance the Company's equity investments in future projects, the
    Company has no agreements with Thermo Electron that ensure funds will be
    available on acceptable terms, or at all.


    PART II - OTHER INFORMATION

    Item 6 - Exhibits

        See Exhibit Index on the page immediately preceding exhibits.



                                       15PAGE
<PAGE>
                            THERMO ECOTEK CORPORATION

                                   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 thereunto duly authorized as of the 10th day of February
    1998.

                                              THERMO ECOTEK CORPORATION



                                              Paul F. Kelleher
                                              ---------------------------
                                              Paul F. Kelleher
                                              Chief Accounting Officer



                                              John N. Hatsopoulos
                                              ---------------------------
                                              John N. Hatsopoulos
                                              Chief Financial Officer and
                                                Senior Vice President




                                       16PAGE
<PAGE>
                            THERMO ECOTEK CORPORATION

                                  EXHIBIT INDEX


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

     10.1          Master Repurchase Agreement dated as of January 1, 1994,
                   between Thermo Electron Corporation and the Company.

     10.2          Amended and Restated Master Guarantee Reimbursement and
                   Loan Agreement dated as of December 19, 1997, between
                   Thermo Electron Corporation and the Company.

     10.3*         First Amendment to Power Purchase Agreement dated
                   November 6, 1997, between Woodland Biomass Power, Ltd.
                   and Pacific Gas and Electric Company.

     10.4*         Second Amendment to Power Purchase Agreement dated
                   November 6, 1997, between Mendota Biomass Power, Ltd. and
                   Pacific Gas and Electric Company.

     27            Financial Data Schedule.


    * Confidential treatment requested as to certain portions of the
      document, which portions have been omitted and filed separately with
      the Securities and Exchange Commission.



                           MASTER REPURCHASE AGREEMENT


             The Master Repurchase Agreement dated as of January 1, 1994
        between Thermo Electron Corporation, a Delaware corporation
        ("Seller"), and Thermo Ecotek Corporation, a Delaware corporation
        (the "Buyer").

        1.   Applicability

             From time to time Buyer and Seller may enter into
        transactions in which Seller agrees to transfer to Buyer certain
        securities and/or financial instruments ("Securities") against
        the transfer of funds by Buyer, with a simultaneous agreement by
        Buyer to transfer to Seller such Securities on demand, against
        the transfer of funds by Seller.  Each such transaction shall be
        referred to herein as a "Transaction" and shall be governed by
        this Agreement, unless otherwise agreed in writing.

        2.   Definitions

             (a)   "Act of Insolvency", with respect to either party (i)
        the commencement by such party as debtor of any case or
        proceeding under any bankruptcy, insolvency, reorganization,
        liquidation, dissolution or similar law, or such party seeking
        the appointment of a receiver, trustee, custodian or similar
        official for such party or any substantial part of its property;
        or (ii) the commencement of any such case or proceeding against
        such party, or another seeking such an appointment, which (A) is
        consented to or not timely contested by such party, (B) results
        in the entry of an order for relief, such an appointment or the
        entry of an order having a similar effect, or (C) is not
        dismissed within 15 days; or (iii) the making by a party of a
        general assignment for the benefit of creditors; or (iv) the
        admission in writing by a party of such party's inability to pay
        such party's debts as they become due; 

             (b)  "Additional Purchased Securities", Securities provided
        by Seller to Buyer pursuant to Paragraph 4(a) hereof; 

             (c)  "Income", with respect to any Security at any time, any
        principal thereof then payable and all interest, dividends or
        other distributions thereon; 

             (d)  "Market Value", with respect to any Securities as of
        any date, the price for such Securities on such date obtained
        from a generally recognized source agreed to by the parties or
        the most recent closing bid quotation from such a source, plus
        accrued Income to the extent not included therein (other than any
        Income transferred to Seller pursuant to Paragraph 6 hereof) as
        of such date (unless contrary to market practice for such
        Securities);
PAGE
<PAGE>

             (e)  "Other Buyers", third parties that have entered into an
        agreement with Seller that is substantially similar to this
        Agreement; 

             (f)  "Pricing Rate", a rate equal to the Commercial Paper
        Composite rate for 90-day maturities provided by Merrill Lynch,
        Pierce, Fenner & Smith Incorporated (or, if such rate is not
        available, a substantially equivalent rate agreed to by Buyer and
        Seller) plus 25 basis points, which rate shall be adjusted on the
        first business day of each fiscal quarter and shall be in effect
        for the entirety such fiscal quarter;
         
             (g)  "Purchase Price", the price at which Purchased
        Securities are transferred by Seller to Buyer; 

             (h)  "Purchased Securities", the Securities transferred by
        Seller to Buyer in a Transaction hereunder, and any Securities
        substituted therefor in accordance with Paragraph 9 hereof.  The
        term "Purchased Securities" with respect to any Transaction at
        any time also shall include Additional Purchase Securities
        transferred pursuant to Paragraph 4(a) and shall exclude
        Securities returned pursuant to Paragraph 4(b);  

             (i)  "Repurchase Collateral Account", a book account
        maintained by Seller containing, among other Securities, the
        Purchased Securities; and

             (j)  "Repurchase Price", for any Purchased Security, an
        amount equal to the Purchase Price paid by Buyer to Seller for
        such Purchased Security. 

        3.   Transactions

             (a)  A Transaction may be initiated by Buyer upon the
        transfer of the Purchase Price to Seller's account.  Upon such
        transfer, Seller shall transfer to Buyer Purchased Securities
        having a Market Value equal to 103% of the Purchase Price.

             (b)  Purchased Securities shall be held in custody for Buyer
        by Seller in the Repurchase Collateral Account.  Seller shall
        indicate on its books for such account Buyer's ownership of the
        Purchased Securities.  Upon reasonable request from Buyer, Seller
        shall provide Buyer with a complete list of Purchased Securities
        owned by Buyer.  

             (c)  Upon demand by Buyer or Seller, Seller shall repurchase
        from Buyer, and Buyer shall sell to Seller, for the Repurchase
        Price all or any part of the Purchased Securities then owned by
        Buyer.

        4.   Margin Maintenance

             (a)  If at any time the aggregate Market Value of all
        Purchased Securities then owned by Buyer is less than 103% of the

                                        2PAGE
<PAGE>
        aggregate Repurchase Price for such Purchased Securities, then
        Seller shall transfer to Buyer additional Securities ("Additional
        Purchased Securities"), so that the aggregate Market Value of
        such Purchased Securities, including any such Additional
        Purchased Securities, will thereupon equal or exceed 103% of such
        aggregate Repurchase Price.

             (b)  If at any time the aggregate Market Value of all
        Purchased Securities then owned by Buyer exceeds 103% of the
        aggregate Repurchase Price for such Purchased Securities, then
        Seller may transfer Purchased Securities to Seller, so that the
        aggregate Market Value of such Purchased Securities will
        thereupon not exceed 103% of such aggregate Repurchase Price.

        5.   Interest Payments

             If during any fiscal month Buyer owned Purchased Securities,
        then on the first day of the next following fiscal month Seller
        shall pay to Buyer an amount equal to the sum of the aggregate
        Repurchase Prices of the Purchased Securities owned by Buyer at
        the close of each day during the preceding fiscal month divided
        by the number of days in such month and the product multiplied by
        the Pricing Rate times the number of days in such month divided
        by 360.

        6.   Income Payments and Voting Rights

             Where a particular Transaction's term extends over an Income
        payment date on the Purchased Securities subject to that
        Transaction, Buyer shall, on the date such Income is payable,
        transfer to Seller an amount equal to such Income payment or
        payments with respect to any Purchased Securities subject to such
        Transaction.  Seller shall retain all voting rights with respect
        to Purchased Securities sold to Buyer under this Agreement.




        7.   Security Interest

             Although the parties intend that all Transactions hereunder
        be sales and purchases and not loans, in the event any such
        Transactions are deemed to be loans, Seller shall be deemed to
        have pledged to Buyer as security for the performance by Seller
        of its obligations under each such Transaction and this
        Agreement, and shall be deemed to have granted to Buyer a
        security interest in, all of the Purchased Securities with
        respect to all Transactions hereunder and all proceeds thereof.

        8.   Payment and Transfer

             Unless otherwise mutually agreed, all transfers of funds
        hereunder shall be in immediately available funds.  As used
        herein with respect to Securities, "transfer" is intended to have

                                        3PAGE
<PAGE>
        the same meaning as when used in Section 8-313 of the
        Massachusetts Uniform Commercial Code or, where applicable, in
        any federal regulation governing transfers of the Securities.

        9.   Substitution

             Buyer hereby grants Seller the authority to manage, in
        Seller's sole discretion, the Purchased Securities held in
        custody for Buyer by Seller in the Repurchase Collateral Account.
        Buyer expressly agrees that Seller may (i) substitute other
        Securities for any Purchased Securities and (ii) commingle
        Purchased Securities with other Securities held in the Repurchase
        Collateral Account.  Substitutions shall be made by transfer to
        Buyer of such other Securities and transfer to Seller of the
        Purchased Securities for which substitution is being made.  After
        substitution, the substituted Securities shall be deemed to be
        Purchased Securities.  Securities which are substituted for
        Purchased Securities shall have a Market Value at the time of
        substitution equal to or greater than the Market Value of the
        Purchase Securities for which such Securities were substituted.

        10.  Representations

             Each of Buyer and Seller represents and warrants to the
        other that (i) it is duly authorized to execute and deliver this
        Agreement, to enter into the Transactions contemplated hereunder
        and to perform its obligations hereunder and has taken all
        necessary action to authorize such execution, delivery and
        performance, (ii) the person signing this Agreement on its behalf
        is duly authorized to do so on its behalf, (iii) it has obtained
        all authorizations of any governmental body required in
        connection with this Agreement and the Transactions hereunder and
        such authorizations are in full force and effect and (iv) the
        execution, delivery and performance of this Agreement and the
        Transactions hereunder will not violate any law, ordinance,
        charter, by-law or rule applicable to it or any agreement by
        which it is bound or by which any of its assets are affected.  On
        the date for any Transaction Buyer and Seller shall each be
        deemed to repeat all the foregoing representations made by it.

        11.  Events of Default

             In the event that (i) Seller fails to repurchase or Buyer
        fails to transfer Purchased Securities upon demand for repurchase
        from either Buyer or Seller, (ii) Seller or Buyer fails, after
        one business day's notice, to comply with Paragraph 4 hereof,
        (iii) Buyer fails to make payment to Seller pursuant to Paragraph
        6 hereof, (iv) Seller fails to comply with Paragraph 5 hereof,
        (v) an Act of Insolvency occurs with respect to Seller or Buyer,
        (vi) any representation made by Seller or Buyer shall have been
        incorrect or untrue in any material respect when made or repeated
        or deemed to have been made or repeated, or (vii) Seller or Buyer
        shall admit to the other its inability to, or its intention not

                                        4PAGE
<PAGE>
        to, perform any of its obligations hereunder (each an "Event of
        Default"):

             (a)  At the option of the nondefaulting party, exercised by
        written notice to the defaulting party (which option shall be
        deemed to have been exercised, even if no notice is given,
        immediately upon the occurrence of any Act of Insolvency), Seller
        shall become obligated to repurchase, and Buyer shall become
        obligated to sell, all Purchased Securities then owned by Buyer
        for the Repurchase Price of such Purchased Securities.

             (b)  If Seller is the defaulting party and Buyer exercises
        or is deemed to have exercised the option referred to in
        subparagraph (a) of this Paragraph, (i) the Seller's obligations
        hereunder to repurchase all Purchased Securities in such
        Transactions shall thereupon become immediately due and payable,
        (ii) all Income paid after such exercise or deemed exercise shall
        be retained by Buyer and applied to the aggregate unpaid
        Repurchase Prices owed by Seller, and (iii) Seller shall
        immediately deliver to Buyer any Purchased Securities subject to
        such Transactions then in Seller's possession.

             (c)  In all Transactions in which Buyer is the defaulting
        party, upon tender by Seller of payment of the aggregate
        Repurchase Prices for all such Transactions, Buyer's right, title
        and interest in all Purchased Securities subject to such
        Transactions shall be deemed transferred to Seller, and Buyer
        shall deliver all such Purchased Securities to Seller.

             (d)  After one business day's notice to the defaulting party
        (which notice need not be given if an Act of Insolvency shall
        have occurred, and which may be the notice given under
        subparagraph (a) of this Paragraph or the notice referred to in
        clause (ii) of the first sentence of this Paragraph), the
        nondefaulting party may: 

                  (i)  as to Transactions in which Seller is the
        defaulting party, (A) immediately sell, in a recognized market at
        such price or prices as Buyer may reasonably deem satisfactory,
        any or all Purchased Securities subject to such Transactions and
        apply the proceeds thereof to the aggregate unpaid Repurchase
        Prices and any other amounts owing by Seller hereunder or (B) in
        its sole discretion elect, in lieu of selling all or a portion of
        such Purchased Securities, to give Seller credit for such
        Purchased Securities in an amount equal to the price therefor on
        such date, obtained from a generally recognized source or the
        most recent closing bid quotation from such a source, against the
        aggregate unpaid Repurchase Prices and any other amounts owing by
        Seller hereunder; and

                  (ii)  as to Transactions in which Buyer is the
        defaulting party, (A) purchase securities ("Replacement
        Securities") of the same class and amount as any Purchased
        Securities that are not delivered by Buyer to Seller as required

                                        5PAGE
<PAGE>
        hereunder or (B) in its sole discretion elect, in lieu of
        purchasing Replacement Securities, to be deemed to have purchased
        Replacement Securities at the price therefor on such date,
        obtained from a generally recognized source or the most recent
        closing bid quotation from such a source.

             (e)  As to Transactions in which Buyer is the defaulting
        party, Buyer shall be liable to Seller (i) with respect to
        Purchased Securities (other than Additional Purchased
        Securities), for any excess of the price paid (or deemed paid) by
        Seller for Replacement Securities therefor over the Repurchase
        Price for such Purchased Securities and (ii) with respect to
        Additional Purchased Securities, for the price paid (or deemed
        paid) by Seller for the Replacement Securities therefor.  

             (g)  The defaulting party shall be liable to the
        nondefaulting party for the amount of all reasonable legal or
        other expenses incurred by the nondefaulting party in connection
        with or as a consequence of an Event of Default.

             (h)  The nondefaulting party shall have, in addition to its
        rights hereunder, any rights otherwise available to it under any
        other agreement or applicable law.

        12.  Single Agreement

             Buyer and Seller acknowledge that, and have entered hereinto
        and will enter into each Transaction hereunder in consideration
        of and in reliance upon the fact that, all Transactions hereunder
        constitute a single business and contractual relationship and
        have been made in consideration of each other.  Accordingly, each
        of Buyer and Seller agrees (i) to perform all of its obligations
        in respect of each Transaction hereunder, and that a default in
        the performance of any such obligations shall constitute a
        default by it in respect of all Transactions hereunder, (ii) that
        each of them shall be entitled to set off claims and apply
        property held by them in respect of any Transaction against
        obligations owing to them in respect of any other Transactions
        hereunder and (iii) that payments, deliveries and other transfers
        made by either of them in respect of any Transaction shall be
        deemed to have been made in consideration of payments, deliveries
        and other transfers in respect of any other Transactions
        hereunder, and the obligations to make any such payments,
        deliveries and other transfers may be applied against each other
        and netted.

        13.  Entire Agreement; Severability

             This Agreement shall supersede any existing agreements
        between the parties containing general terms and conditions for
        repurchase transactions.  Each provision and agreement and
        agreement herein shall be treated as separate and independent
        from any other provision or agreement herein and shall be

                                        6PAGE
<PAGE>
        enforceable notwithstanding the unenforceability of any such
        other provision or agreement.

        14.  Non-assignability; Termination

             The rights and obligations of the parties under this
        Agreement and under any Transactions shall not be assigned by
        either party without the prior written consent of the other
        party.  Subject to the foregoing, this Agreement and any
        Transactions shall be binding upon and shall inure to the benefit
        of the parties and their respective successors and assigns.  This
        Agreement may be canceled by either party upon giving written
        notice to the other, except that this Agreement shall,
        notwithstanding such notice, remain applicable to any
        Transactions then outstanding.

        15.  Governing Law

             This Agreement shall be governed by the laws of the
        Commonwealth of Massachusetts without giving effect to the
        conflict of law principles thereof.

        16.  No Waivers, Etc.

             No express or implied waiver of any Event of Default by
        either party shall constitute a waiver of any other Event of
        Default and no exercise of any remedy hereunder by any party
        shall constitute a wavier of its right to exercise any other
        remedy hereunder.  No modification or waiver of any provision of
        this Agreement and no consent by any party to a departure
        herefrom shall be effective unless and until such shall be in
        writing and duly executed by both of the parties hereto. 

        17.  Intent

             (a)  The parties recognize that each Transaction is a
        "repurchase agreement" as that term is defined in Section 101 of
        Title 11 of the United States Code, as amended (except insofar as
        the type of Securities subject to such Transaction or the term of
        such Transaction would render such definition inapplicable), and
        a "securities contract" as that term is defined in Section 741 of
        Title 11 of the United States Code, as amended.

             (b)  It is understood that either party's right to liquidate
        Securities delivered to it in connection with Transactions
        hereunder or to exercise any other remedies pursuant to Paragraph
        11 hereof, is a contractual right to liquidate such Transaction
        as described in Sections 555 and 559 of Title 11 of the United
        States Code, as amended.



                                        7PAGE
<PAGE>
             IN WITNESS WHEREOF, the parties have entered into this
        Agreement as of the date first above written.


        THERMO ELECTRON CORPORATION        THERMO ECOTEK CORPORATION


        By:   _____________________________    By:
        Name:     Melissa F. Riordan           Name:     Brian D.  Holt
        Title:    Treasurer                    Title:    President  





              AMENDED AND RESTATED MASTER GUARANTEE REIMBURSEMENT
                               AND LOAN AGREEMENT


             This AGREEMENT is entered into as of the 19th day of
        December, 1997, by and among Thermo Electron Corporation (the
        "Parent") and those of its subsidiaries that join in this
        Agreement by executing the signature page hereto (the "Majority
        Owned Subsidiaries").

                                   WITNESSETH:

             WHEREAS, the Majority Owned Subsidiaries and their
        wholly-owned subsidiaries wish to enter into various financial
        transactions, such as convertible or nonconvertible debt, loans,
        and equity offerings, and other contractual arrangements with
        third parties (the "Underlying Obligations") and may provide
        credit support to, on behalf of or for the benefit of, other
        subsidiaries of the Parent ("Credit Support Obligations"); 

             WHEREAS, the Majority Owned Subsidiaries and the Parent
        acknowledge that the Majority Owned Subsidiaries and their
        wholly-owned subsidiaries may be unable to enter into many kinds
        of Underlying Obligations without a guarantee of their
        performance thereunder from the Parent (a "Parent Guarantee") or
        without obtaining Credit Support Obligations from other Majority
        Owned Subsidiaries;

             WHEREAS, the Majority Owned Subsidiaries and their
        wholly-owned subsidiaries may borrow funds from the Parent, and
        the Parent may loan funds or provide credit to the Majority Owned
        Subsidiaries and their wholly-owned subsidiaries, on a short-term
        and unsecured basis;

             WHEREAS, certain Majority Owned Subsidiaries ("Second Tier
        Majority Owned Subsidiaries ") may themselves be majority owned
        subsidiaries of other Majority Owned Subsidiaries ("First Tier
        Majority Owned Subsidiaries");

             WHEREAS, for various reasons, Parent Guarantees of a Second
        Tier Majority Owned Subsidiary's Underlying Obligations may be
        demanded and given without the respective First Tier Majority
        Owned Subsidiary also issuing a guarantee of such Underlying
        Obligation; 

             WHEREAS, the Parent may itself make a loan or provide other
        credit to a Second Tier Majority Owned Subsidiary or its
        wholly-owned subsidiaries under circumstances where the
        applicable First Tier Majority Owned Subsidiary does not provide
        such credit; and

             WHEREAS, the Parent is willing to consider continuing to
        issue Parent Guarantees and providing credit, and the Majority
        Owned Subsidiaries are willing to consider continuing to provide
PAGE
<PAGE>
        Credit Support Obligations and to borrow funds, on the terms and
        conditions set forth below;

             NOW, THEREFORE, in consideration of the foregoing and other
        good and valuable consideration, the receipt and sufficiency of
        which are hereby acknowledged by each party hereto, the parties
        agree as follows:

        1.   If the Parent provides a Parent Guarantee of an Underlying
             Obligation, and the beneficiary(ies) of the Parent Guarantee
             enforce the Parent Guarantee, or the Parent performs under
             the Parent Guarantee for any other reason, then the Majority
             Owned Subsidiary that is obligated, either directly or
             indirectly through a wholly-owned subsidiary, under such
             Underlying Obligation shall indemnify and save harmless the
             Parent from any liability, cost, expense or damage
             (including reasonable attorneys' fees) suffered by the
             Parent as a result of the Parent Guarantee.  If the
             Underlying Obligation is issued by a Second Tier Majority
             Owned Subsidiary or a wholly-owned subsidiary thereof, and
             such Second Tier Majority Owned Subsidiary is unable to
             fully indemnify the Parent (because of the poor financial
             condition of such Second Tier Majority Owned Subsidiary, or
             for any other reason), then the First Tier Majority Owned
             Subsidiary that owns the majority of the stock of such
             Second Tier Majority Owned Subsidiary shall indemnify and
             save harmless the Parent from any remaining liability, cost,
             expense or damage (including reasonable attorneys' fees)
             suffered by the Parent as a result of the Parent Guarantee.
             If a Majority Owned Subsidiary or a wholly-owned subsidiary
             thereof provides a Credit Support Obligation for any
             subsidiary of the Parent, other than a subsidiary of such
             Majority Owned Subsidiary, and the beneficiary(ies) of the
             Credit Support Obligation enforce the Credit Support
             Obligation, or the Majority Owned Subsidiary or its
             wholly-owned subsidiary  performs under the Credit Support
             Obligation for any other reason, then the Parent shall
             indemnify and save harmless the Majority Owned Subsidiary or
             its wholly-owned subsidiary, as applicable, from any
             liability, cost, expense or damage (including reasonable
             attorneys' fees) suffered by the Majority Owned Subsidiary
             or its wholly-owned subsidiary, as applicable, as a result
             of the Credit Support Obligation.  Without limiting the
             foregoing, Credit Support Obligations include the deposit of
             funds by a Majority Owned Subsidiary or a wholly-owned
             subsidiary thereof in a credit arrangement with a banking
             facility whereby such funds are available to the banking
             facility as collateral for overdraft obligations of other
             Majority Owned Subsidiaries or their subsidiaries also
             participating in the credit arrangement with such banking
             facility.

        2.   For purposes of this Agreement, the term "guarantee" shall
             include not only a formal guarantee of an obligation, but
PAGE
<PAGE>
             also any other arrangement where the Parent is liable for
             the obligations of a Majority Owned Subsidiary or its
             wholly-owned subsidiaries.  Such other arrangements include
             (a) representations, warranties and/or covenants or other
             obligations joined in by the Parent, whether on a joint or
             joint and several basis, for the benefit of the Majority
             Owned Subsidiary or its wholly-owned subsidiaries and (b)
             responsibility of the Parent by operation of law for the
             acts and omissions of the Majority Owned Subsidiary or its
             wholly-owned subsidiaries, including controlling person
             liability under securities and other laws.

        3.   Promptly after the Parent receives notice that a beneficiary
             of a Parent Guarantee is seeking to enforce such Parent
             Guarantee, the Parent shall notify the Majority Owned
             Subsidiary(s) obligated, either directly or indirectly
             through a wholly-owned subsidiary, under the relevant
             Underlying Obligation.  Such Majority Owned Subsidiary(s) or
             wholly-owned subsidiary thereof, as applicable, shall have
             the right, at its own expense, to contest the claim of such
             beneficiary.  If a Majority Owned Subsidiary or wholly-owned
             subsidiary thereof, as applicable, is contesting the claim
             of such beneficiary, the Parent will not perform under the
             relevant Parent Guarantee unless and until, in the Parent's
             reasonable judgment, the Parent is obligated under the terms
             of such Parent Guarantee to perform.  Subject to the
             foregoing, any dispute between a Majority Owned Subsidiary
             or wholly-owned subsidiary thereof, as applicable, and a
             beneficiary of a Parent Guarantee shall not affect such
             Majority Owned Subsidiary's obligation to promptly indemnify
             the Parent hereunder.  Promptly after a Majority Owned
             Subsidiary or wholly-owned subsidiary thereof, as
             applicable, receives notice that a beneficiary of a Credit
             Support Obligation is seeking to enforce such Credit Support
             Obligation, the Majority Owned Subsidiary shall notify the
             Parent.  The Parent shall have the right, at its own
             expense, to contest the claim of such beneficiary.  If the
             Parent or the subsidiary of the Parent on whose behalf the
             Credit Support Obligation is given is contesting the claim
             of such beneficiary, the Majority Owned Subsidiary or
             wholly-owned subsidiary thereof, as applicable, will not
             perform under the relevant Credit Support Obligation unless
             and until, in the Majority Owned Subsidiary's reasonable
             judgment, the Majority Owned Subsidiary or wholly-owned
             subsidiary thereof, as applicable, is obligated under the
             terms of such Credit Support Obligation to perform.  Subject
             to the foregoing, any dispute between the Parent or the
             subsidiary of the Parent on whose behalf the Credit Support
             Obligation was given, on the one hand, and a beneficiary of
             a Credit Support Obligation, on the other, shall not affect
             the Parent's obligation to promptly indemnify the Majority
             Owned Subsidiary or its wholly-owned subsidiary, as
             applicable, hereunder.
PAGE
<PAGE>
        4.   Upon the request of a Majority Owned Subsidiary, the Parent
             may make loans and advances to the Majority Owned Subsidiary
             or its wholly-owned subsidiaries on a short-term, revolving
             credit basis, from time to time in such amounts as mutually
             determined by the Parent and the Majority Owned Subsidiary.
             The aggregate principal amount of such loans and advances
             shall be reflected on the books and records of the Majority
             Owned Subsidiary (or wholly-owned subsidiary, as applicable)
             and the Parent.  All such loans and advances shall be on an
             unsecured basis unless specifically provided otherwise in
             loan documents executed at that time.  The Majority Owned
             Subsidiary or its wholly-owned subsidiaries, as applicable,
             shall pay interest on the aggregate unpaid principal amount
             of such loans from time to time outstanding at a rate
             ("Interest Rate") equal to the rate of the Commercial Paper
             Composite Rate for 90-day maturities as reported by Merrill
             Lynch Capital Markets, as an average of the last five
             business days of such Majority Owned Subsidiary's latest
             fiscal quarter then ended, plus twenty-five (25) basis
             points.  The Interest Rate shall be adjusted on the first
             business day of each fiscal quarter of such Majority Owned
             Subsidiary pursuant to the Interest Rate formula contained
             in the preceding sentence and shall be in effect for the
             entirety of such fiscal quarter.  Interest shall be computed
             on a 360-day basis.  The aggregate principal amount
             outstanding and accrued interest thereon shall be payable on
             demand.  The principal and accrued interest may be paid by
             the Majority Owned Subsidiaries or their wholly-owned
             subsidiaries, as applicable, at any time or from time to
             time, in whole or in part, without premium or penalty.  All
             payments shall be applied first to accrued interest and then
             to principal.  Principal and interest shall be payable in
             lawful money of the United States of America, in immediately
             available funds, at the principal office of the Parent or at
             such other place as the Parent may designate from time to
             time in writing to the Majority Owned Subsidiary.  The
             unpaid principal amount of any such borrowings, and accrued
             interest thereon, shall become immediately due and payable,
             without demand, upon the failure of the Majority Owned
             Subsidiary or its wholly-owned subsidiary, as applicable, to
             pay its debts as they become due, the insolvency of the
             Majority Owned Subsidiary or its wholly-owned subsidiary, as
             applicable, the filing by or against the Majority Owned
             Subsidiary or its wholly-owned subsidiary, as applicable, of
             any petition under the U.S. Bankruptcy Code (or the filing
             of any similar petition under the insolvency law of any
             jurisdiction), or the making by the Majority Owned
             Subsidiary or its wholly-owned subsidiary, as applicable, of
             an assignment or trust mortgage for the benefit of creditors
             or the appointment of a receiver, custodian or similar agent
             with respect to, or the taking by any such person of
             possession of, any property of the Majority Owned Subsidiary
             or its wholly-owned subsidiary, as applicable.  In case any
             payments of principal and interest shall not be paid when
PAGE
<PAGE>
             due, the Majority Owned Subsidiary or its wholly-owned
             subsidiary, as applicable, further promises to pay all cost
             of collection, including reasonable attorneys' fees.   

        5.   If the Parent makes a loan or provides other credit ("Credit
             Extension") to a Second Tier Majority Owned Subsidiary, the
             First Tier Majority Owned Subsidiary that owns the majority
             of the stock of such Second Tier Majority Owned Subsidiary
             hereby guarantees the Second Tier Majority Owned
             Subsidiary's obligations to the Parent thereunder.  Such
             guaranty shall be enforced only after the Parent, in its
             reasonable judgment, determines that the Second Tier
             Majority Owned Subsidiary is unable to fully perform its
             obligations under the Credit Extension.  If the Parent
             provides Credit Extension to a wholly-owned subsidiary of a
             Second Tier Majority Owned Subsidiary, the Second Tier
             Majority Owned Subsidiary hereby guarantees it wholly-owned
             subsidiary's obligations to the Parent thereunder and the
             First Tier Majority Owned Subsidiary that owns the majority
             of the stock of such Second Tier Majority Owned Subsidiary
             hereby guarantees the Second Tier Majority Owned
             Subsidiary's obligations to the Parent hereunder.  Such
             guaranty by the First Tier Majority Owned Subsidiary shall
             be enforced only after the Parent, in its reasonable
             judgment, determines that the Second Tier Majority Owned
             Subsidiary is unable to fully perform its guaranty
             obligation hereunder.  

        6.   All payments required to be made by a Majority Owned
             Subsidiary or its wholly-owned subsidiaries, as applicable,
             shall be made within two days after receipt of notice from
             the Parent. All payments required to be made by the Parent
             shall be made within two days after receipt of notice from
             the Majority Owned Subsidiary.  

        7.   This Agreement shall be governed by and construed in
             accordance with the laws of the Commonwealth of
             Massachusetts applicable to contracts made and performed
             therein.
PAGE
<PAGE>
             IN WITNESS WHEREOF, the parties have caused this Agreement
        to be executed by their duly authorized officers as of the date
        first above written.


                                      THERMO ELECTRON CORPORATION


                                      By:  _____________________________
                                           Melissa F.Riordan
                                      Title:    Treasurer


                                      THERMO ECOTEK CORPORATION 


                                      By:  _____________________________
                                           Brian D.Holt
                                      Title:    President




           CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE
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                                                             EXHIBIT 10.3

                   FIRST AMENDMENT TO POWER PURCHASE AGREEMENT
               WOODLAND BIOMASS POWER, LTD. (PG&E Log No. 06PO22)


             THIS FIRST AMENDMENT TO POWER PURCHASE AGREEMENT
        ("Agreement"), dated November 6th, 1997 is by and between
        WOODLAND BIOMASS POWER, LTD. ("Seller") a California limited
        partnership, and PACIFIC GAS AND ELECTRIC COMPANY ("PG&E"), a
        California corporation.  PG&E and Seller are sometimes referred
        to herein individually as "Party" and collectively as the
        "Parties."

                                    RECITALS
                                    --------


            A. There is a Long-Term Energy and Capacity Power Purchase
               Agreement between Seller and PG&E signed by PG&E on
               January 24, 1985, and by Seller on November 16, 1984,
               (the "PPA"), for the 25,000 kw generator nameplate
               biomass-fueled facility (PG&E Log No. 06PO22) located in
               the City of Woodland, California (the "Facility"); and,
                                                     ------------

            B. The intent of the Parties is for all terms and 
               conditions of the PPA to remain in full force and effect
               except where expressly amended.  Unless otherwise defined
               herein, all capitalized and underlined terms shall have
               the same meaning as defined in the PPA.

            C. Seller believes that sufficient fuel is available for
               delivery to the Facility to operate the Facility at
                               --------                --------
               25,000 kw under the PPA throughout the remainder of the
               Fixed Price Period.
               ----------- ------

            D. The Parties wish to restructure the PPA as set forth
               herein in ways which each Party believes will be to its
               benefit.

            E. The Parties have had a variety of disputes under the PPA,
               including PG&E's administration of Curtailment Option B
               as set forth in Appendix C of the PPA.

            F. To accomplish these restructuring changes and resolve the
               Curtailment Option B dispute, the Parties have agreed to
               the terms and conditions set forth below.

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                                    AGREEMENT

            THEREFORE, in consideration of the mutual covenants in this
        Agreement, the Parties agree as follows:

                                    SECTION I

        1.   DEFINITIONS

             Whenever used in this Agreement, the following terms shall
        have the following meanings:

             1.01 Curtailment Option B Adder: The adder to energy
        payments for the Facility as provided in the first paragraph of
                         --------
        Appendix B at page B-1 of the PPA.

             1.02 Fixed Price Period: This term shall have the same
                  -------------------
        meaning in this Agreement as it has in the PPA for the Facility
                                                               --------
        which is the subject of this Agreement.

             1.03 kw: Kilowatts.

             1.04 kwh: Kilowatt-hours.

             1.05 California Power Exchange.: The California Power
        Exchange Corporation ("CA PX"), a California not-for-profit
        public benefit corporation, which has been established in order
        to conduct competitive auctions for electric power in the State
        of California as described in Section 355 of the California
        Public Utilities Code.

             1.06 PPA Curtailment Provisions: Article 7 and Appendix C of
        the PPA.  Section A-7 of Appendix A of the PPA is not included in
        this definition.

             1.07 Monthly Curtailment Period: A continuous period of one
        calendar month commencing at 00:00 hours on first day and ending
        at 23:59 hours on last day of the calendar month (any one month
        from January through May, or September through December during
        the Fixed Price Period) during which, at PG&E's sole option,
            -------------------
        Seller shall physically curtail all deliveries of power from the
        Facility to PG&E to zero.
        --------

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                                    SECTION 2

        2.   BLOCK CURTAILMENT DURING THE FIXED PRICE PERIOD

             2.01 For the period beginning on January 1, 1998 through the
        end of the Fixed Price Period applicable to the Facility, the PPA
                   ----------- ------                   --------
        Curtailment Option B Provisions shall be superseded in their
        entirety by curtailment in accordance with this Section 2 which
        defines "Block Curtailment." After the expiration of the Fixed
                                                                 -----
        Price Period in the PPA, this Section 2, and the resulting
        ------------
        amendments to the PPA contained herein, shall have no force or
        effect with the sole exception of Section 2.10 which shall
        continue in effect.

             2.02 Effective January 1, 1998 PG&E may, at its discretion,
        curtail the Facility for up to *** hours per calendar year
                    --------
        through the remaining period in the Fixed Price Period in the
                                            ------------------
        PPA.

             2.03 In the final calendar year of the Fixed Price Period,
        the total annual amount of Block Curtailment provided by the
        Facility will be prorated based on the percentage of the calendar
        --------
        year which is in the Fixed Price Period.
                             ------------------

             2.04 If, as a result of a decision by the court in the
        Judicial Council Coordination Proceeding No. 3241 or by a court
        or by the California Public Utilities Commission in any action
        relating to the end of Fixed Price Period, the Facility's Fixed
                               ------------------      ----------------
        Price Period is determined to end on a date that is later than
        ------------
        PG&E's current interpretation of the Fixed Price Period end date,
                                             ------------------
        Seller will be required to provide additional Block Curtailment
        from the Facility to PG&E on a prorated basis as provided in
                 --------
        Section 2.03 above.

             2.05 PG&E shall schedule the Block Curtailments from the
        Facility in blocks of a minimum of *** consecutive off-peak and
        --------
        super off-peak hours of curtailment, except for *** block of
        curtailment per calendar year which may be less than *** hours.
        PG&E shall provide Seller written notice by telecopy (followed by
        telephone verification of the telecopy notice) at least 12 hours
        prior to each Block Curtailment period.  Such notice shall be
        provided to Seller's plant manager or representative [fax number
        (916) 661-3124; telephone number (916) 661- 4192] in accordance
        with PG&E's notice provision described above.

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             2.06 During Block Curtailment, Seller may reduce its energy
        deliveries to PG&E from the Facility to zero.  If the Facility
                                    --------                  --------
        delivers power during the Block Curtailment hours, PG&E shall pay
        for up to *** kwh per half-hour in energy deliveries at a price
        equal to ***% of the CA PX day-ahead energy price or, in the
        absence of a CA PX day-ahead energy price, at ***% of PG&E's
        short-run avoided cost (SRAC) energy prices for the corresponding
        hours.  PG&E will not pay Seller for deliveries from the Facility
                                                                 --------
        which exceed *** kwh per half-hour during the Block Curtailment
        period.  It is the intent of this Section for the Facility to
                                                          --------
        minimize its energy deliveries to PG&E during Block Curtailment
        subject to the Facility's physical and regulatory constraints
                       ----------
        effecting safe and prudent operation of the Facility.
                                                    --------

             2.07 PG&E will have the right to cancel Block Curtailment
        after it has begun.  However, should a Block Curtailment be so
        canceled, PG&E will pay a price equal to ***% of the CA PX
        day-ahead energy price or, in the absence of a CA PX day-ahead
        energy price, at ***% of PG&E's short-run avoided cost (SRAC)
        energy prices for the corresponding hours for energy deliveries
        for the period from the commencement to the cancellation of that
        particular Block Curtailment.  No additional payment of any kind
        will be due from PG&E for such deliveries.  After any Block
        Curtailment is canceled, (i) the Facility will be required to
                                         --------
        start deliveries on a best efforts basis (ii) payment for any
        energy deliveries from the time cancellation of each individual
        Block Curtailment period becomes effective will be made in
        accordance with the PPA provisions, and (iii) any hours remaining
        in a period of scheduled Block Curtailment canceled by PG&E will
        be credited by PG&E against the remaining hourly calendar year
        limit of Block Curtailment under this Agreement.  PG&E may, at
        its option, provide a schedule for Block Curtailment by December
        31 or earlier of the preceding year for curtailment to occur in
        the following year.  However, PG&E may revise that schedule as
        long as it provides the Seller with a minimum of 12 hours advance
        notice of that change.  Seller may elect to perform maintenance
        during a Block Curtailment.  Any scheduled maintenance performed
        during Block Curtailment shall reduce the allowance of annual
        scheduled maintenance hours available to Seller.

             2.08 The Block Curtailment provisions of this Agreement are
        not intended to affect Seller's capacity payments, since those
        payments are based on deliveries during on-peak and partial peak
        hours.

             2.09 For the period October 1, 1997 through December 31,
        1997, each of PG&E and Seller shall retain its existing rights
        under the PPA Curtailment Provisions.


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         SECURITIES AND EXCHANGE COMMISSION.  ASTERISKS DENOTE OMISSIONS


             2.10 Effective January 1, 1998, all provisions of the PPA
        pertaining to Curtailment Option B, including those provisions
        contained in Article 7 and Appendix C of the PPA, shall be deemed
        to have been rescinded in their entirety and shall no longer have
        any force or effect for any purpose whatsoever, except as
        provided below.  PG&E agrees to continue to adjust the forecasted
        off-peak and super off-peak hours' energy prices listed in Table
        B-1, Appendix B of the PPA upward by ***% for Period A and ***%
        for Period B ('the 'Curtailment Option B Adder') on and after
        January 1, 1998, through the end of Fixed Price Period except
        during Block Curtailment hours and the Monthly Curtailment
        periods covered under Section 3 of this Agreement.  The
        Curtailment Option B Adder will apply to all off-peak and super
        off-peak energy deliveries prior to the successful completion of
        the 48-Hour Test covered under Section 3.09 of this Agreement.
        The provisions of Appendix A, Section A-7 of the PPA shall
        continue to apply for the term of the PPA.


                                    SECTION 3

        3.  PAYMENT FOR MONTHLY CURTAILMENT DURING THE FIXED PRICE
             PERIOD

            3.01  For the period beginning January 1, 1998 through the
        end of the Fixed Price Period, the following terms set forth in
                   ----------- ------
        this Section 3 shall apply.  After the end of the Fixed Price
                                                          ----- -----
        Period, this Section 3 will have no further force or effect and
        ------
        the PPA provisions shall apply unmodified by this Section 3.

             3.02 Seller shall physically curtail all deliveries of power
        from the Facility for *** calendar months each year during the
                 --------
        years 1998 and 1999 ("Monthly Curtailment"), except as described
        in Section 3.07 and Section 3.09 below.  Monthly Curtailment may
        occur only in those calendar months which are at least 2 calendar
        months apart.  For calendar year 1998, PG&E has the right to
        schedule (i) *** months of Monthly Curtailment during any months
        from January through May, or (ii) ******** of Monthly Curtailment
        during January through May and ********* of Monthly Curtailment
        during any month from September through December.  For the
        calendar year 1998, PG&E may not schedule *** months of Monthly
        Curtailment during the month of September through December.  For
        calendar year 1999 *** months of Monthly Curtailment will occur
        during the months of January through May.


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             3.03 If, as a result of a decision in the Judicial Council
        Coordination Proceeding No. 3241 or by a court or by the
        California Public Utilities Commission in any action relating to
        the end of Fixed Price Period, the Facility's Fixed Price Period
                                           ----------------------
        is determined to end on a date that is later than PG&E's current
        interpretation of the Fixed Price Period end date, Seller will be
                              ------------------
        required to provide additional Monthly Curtailment.  This
        additional Monthly Curtailment and the resulting reduction in
        annual scheduled maintenance hours in accordance with Sections
        3.02 and 3.08 will be prorated based on the ratio of the number
        of Fixed Price Period hours remaining in that year to the total
        number of hours in the calendar year.  Any additional Monthly
        Curtailment that Seller must provide under this Section 3.03 will
        be scheduled and provided before the end of the Fixed Price
                                                        -----------
        Period.  Regardless of the end of the Fixed Price Period, for
        ------
        calendar year 1999 Seller will be deemed to have satisfied its
        Monthly Curtailment obligations by providing *** months of
        Monthly Curtailment by the end of May 1999.

             3.04 PG&E will provide Seller with at least 30 days advance
        written notice for the first Monthly Curtailment period in
        January through May 1998.  PG&E will provide Seller with a
        schedule no later than December 31, 1997 should the second
        Monthly Curtailment period occur in the January through May 1998
        period.  For the September through December 1998 Monthly
        Curtailment period, if any, PG&E will provide a schedule by June
        30, 1998.

             For the January through May 1999 Monthly Curtailment period,
        PG&E will provide Seller with a schedule no later than October
        31, 1998.  If PG&E fails to provide a 1999 Monthly Curtailment
        schedule by October 31, 1998, Seller may propose to PG&E the ***
        months from the designated curtailment months during which Seller
        plans to provide Monthly Curtailment.  However, PG&E reserves the
        right to make changes to Seller's proposed schedule.

             3.05 PG&E may revise a Monthly Curtailment schedule provided
        that Seller is notified of such revision by telecopy at least
        ninety (90) days prior to the originally scheduled Monthly
        Curtailment.

             3.06 In consideration of the mutual benefits of Monthly
        Curtailment, PG&E will pay Seller a Monthly Curtailment Energy
        Payment, for each Monthly Curtailment period in the years 1998
        and 1999 as set forth in the Table below.  The Monthly
        Curtailment Energy Payment for the first month of curtailment for
        the Facility shall be the amount specified for the corresponding
        month in the Table below for the "First Month of Monthly
        Curtailment." The Monthly Curtailment Energy Payment for the 
        second month of curtailment for the Facility shall be the amount
        specified for the corresponding month in the Table below for the
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<PAGE>
        "Second Month of Monthly Curtailment." The amount shall be paid
        by PG&E to Seller at the time required by the PPA, and is subject
        to the provisions of Section 3.09 below.  Should Seller be
        required to provide additional Monthly Curtailment during its
        Fixed Price Period as described under Section 3.03 above, PG&E
        shall pay Seller an amount equal to the ratio described in
        Section 3.03 above, multiplied by the amount specified in the
        Table below for the "First Month of Monthly Curtailment" for the
        month in which Seller provides such additional curtailment.

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        *****************************************************

             3.07 Seller may begin energy deliveries 48 hours before the
        end of each Monthly Curtailment period applicable to the
        Facility.  PG&E shall not pay Seller for energy and/or capacity
        deliveries during this 48-hour period.  Since this Agreement
        requires Seller to shut down the Facility after it has qualified
        to commence Monthly Curtailment pursuant to Section 3.09 below,
        if Seller continues to deliver power to PG&E after the Facility
        has commenced Monthly Curtailment, Seller shall not receive any
        payment for any such deliveries which take place after the
        commencement of Monthly Curtailment.

             3.08 During the designated Monthly Curtailment periods,
        Seller is allowed to perform maintenance.  The Facility's annual
        allowance (based on a scheduled maintenance year) of *** hours of
        scheduled maintenance as found in Section E-3 of Appendix E of
        the PPA will be reduced by *** hours for the first Monthly
        Curtailment that occurs in any one month from January to May.  A
        second Monthly Curtailment that occurs in any month from January
        to May will not further reduce the Facility's remaining allowance
        of annual scheduled maintenance hours.  However, for any second
        Monthly Curtailment period that occurs in any month from
        September through December, Facility's remaining allowance of
        scheduled maintenance hours will be further reduced by *** hours.
        Any scheduled maintenance performed in non-Monthly Curtailment
        months shall be treated in accordance with the PPA provisions.
        After the end of the Fixed Price Period and through the remaining
        term of the PPA, Seller will be charged for the actual number of
        hours used for performing scheduled maintenance under the
        unamended PPA terms.

             3.09 (a) It is the express purpose of this Agreement that
        Seller shall be compensated only for curtailment it would not
        otherwise have provided without the payments provided for in this
        Section 3. The tests below in Section 3.09 (b) provide an
        objective and exclusive criteria for determining whether this
        purpose has been fulfilled,

                  (b)  Seller shall be paid 100% of the Monthly
        Curtailment Energy Payment set forth in Section 3.06 above for
        the Monthly Curtailment periods of each year, if the Facility can
        successfully satisfy item 1) and item 2) below (the "Performance
        Requirement"):

        1)   The Facility delivers power to PG&E at or above an average
        of 22,000 kwh per hour for a continuous 48 hour period, as
        measured using PG&E's conventional 30-minute metering process
        ("48-Hour Test"), immediately preceding (i) the Monthly
        Curtailment period, or (ii) Block Curtailment that immediately
        precedes a Monthly Curtailment, and
                                        8PAGE
<PAGE>
        2)   The Facility is not fully forced out of operation, except
        when caused by PG&E during the period between successful
        completion of item 1) above and prior to discontinuance of energy
        deliveries during the Facility's preparations to begin the
        Monthly Curtailment shutdown.

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             The 48-Hour Test will not be required if within 72 hours
        prior to the start of a Monthly Curtailment (i) a Block
        Curtailment occurs, provided the Facility had delivered at or
        above an average of 22,000 kwh per hour for a continuous 48 hour
        period preceding the start of that Block Curtailment; or (ii) any
        PG&E caused or invoked interruption of deliveries occurs pursuant
        to Appendix A, Section A-7 of the PPA or, (iii) any interruption
        of deliveries occurs pursuant to Appendix A, Section A-8 of the
        PPA.

                  (c)  Seller shall provide written notice by telecopy
        (followed by telephone verification of the telecopy notice) to
        PG&E at such time that Seller determines the Facility has met the
        Performance Requirement set out in Section 3.09(b) 1) & 2) above.
        Such notice will include Seller's metering data which supports
        the successful completion of item 1) of Section 3.09(b), as well
        as Seller's confirmation of successfully meeting the requirement
        of item 2) of Section 3.09(b), the date and time the Facility has
        met the Performance Requirement and the date and time Monthly
        Curtailment has commenced or will commence.  Such notice shall be
        provided by telecopy and confirmed by telephone to PG&E's
        Manager, Utility Electric Supply or its successor organization
        per notice provided by PG&E [fax number (415) 973-9176; telephone
        number (415) 973-2875] and to the PG&E Administrator of the
        Woodland PPA or its successor [current fax number (415) 973-2151;
        current telephone number (415) 973-3791].  PG&E shall notify
        Seller by telecopy (confirmed by telephone) within two business
        days of receipt of notice from Seller, if it does not concur with
        Seller that the Facility has met the Performance Requirement.
        Notices to Seller under this Section 3.09 shall be provided by
        telecopy to the Facility's plant manager or representative and
        confirmed by telephone [fax number (916) 661-3124; telephone
        number (916) 661-4192].  Failure by PG&E to respond within two
        business days of receipt of notice from Seller shall be deemed to
        be notification by PG&E that PG&E concurs with Seller that the
        Facility has satisfied the 48-Hour Test. 

                  (d) If the Facility does not meet the Performance
        Requirement as of the beginning of the Monthly Curtailment
        period, Monthly Curtailment shall not begin until the Facility
        subsequently passes the 48-Hour Test, at which time Monthly
        Curtailment will commence.  Seller shall make reasonable efforts
        to successfully pass the 48-Hour Test.  The Facility's allowance
        of *** and *** hours during the First and Second Monthly
        Curtailment periods, respectively, will be prorated based on the
        number of hours of curtailment provided to the total number of
        hours in the calendar month.  Seller shall provide written notice
        to PG&E by telecopy (confirmed by telephone) at such time that
        Seller determines the Facility has met the 48-Hour Test and the
        Monthly Curtailment has commenced.  PG&E shall notify Seller by
        telecopy (confirmed by telephone) within two business days of 
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        receipt of notice from Seller if it does not concur with Seller
        that the Facility has passed the 48-Hour Test.  Failure by PG&E
        to respond within the two business days of receipt of notice from
        Seller shall be deemed to be notification by PG&E that it concurs
        with Seller that the Facility has satisfied the 48-Hour Test.

                  (e) If the Facility passes the 48-Hour Test after the
        designated Monthly Curtailment period has begun, the Monthly
        Curtailment Energy Payment will be prorated based upon the ratio
        of (i) the number of hours remaining in the Monthly Curtailment
        period after the Facility has successfully passed the 48-Hour
        Test and commenced Monthly Curtailment to (ii) the total number
        of hours in the Monthly Curtailment period.  For all energy
        deliveries in a Monthly Curtailment period prior to the
        commencement of Monthly Curtailment, Seller shall receive ***% of
        the Forecast Energy Prices under Energy Payment Option 1 at Table
        B-1, Appendix B, of the PPA, including the Curtailment Option B
        Adder, if applicable, subject to the limitation in the last
        sentence of this paragraph (e).  The total energy payment for
        such designated curtailment month will be the sum of (i) the
        payment for energy delivered prior to commencement of the Monthly
        Curtailment plus (ii) the prorated Monthly Curtailment Energy
        Payment, provided, however that the total energy payment for such
        Monthly Curtailment period will be limited to a maximum amount
        equal to 100% of the Monthly Curtailment Energy Payment for the
        applicable month as set forth in Section 3.06 above. 

                  (f)  Because the first and second Monthly Curtailment
        periods during each year shall always be non-consecutive, Seller
        is required to satisfy the Performance Requirement individually
        for each Monthly Curtailment period by successfully passing the
        48-Hour Test.

             3.10 Capacity payments for each Monthly Curtailment period
        shall be calculated using  the Facility's *************** average
        historic energy  deliveries in the corresponding month (not
        including months where Monthly Curtailment was taken at the
        Facility), provided that the Facility meets the Performance
        Requirement as set forth in Section 3.09 above.

             The Monthly Curtailment firm capacity payment for the
        Facility will be calculated in accordance with Section E-5 of
        Appendix E of the PPA.  For purposes of the calculation, the
        Monthly Capacity Factor ("MCF") will be deemed to be equal to the
        ************************ historic average Performance Factor in
        the corresponding month (not including months where Monthly
        Curtailment was taken at the Facility).  If the Facility has not
        met the Performance Requirement as of the beginning of a  Monthly
        Curtailment period, the Monthly Curtailment firm capacity payment
        for the month will be calculated in accordance with Section E-5
        of Appendix E of the PPA, substituting the following factors for
        P and MCF:

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        P = A+Y   < = (1.0)
            ---
        CX(B-S)X(.8)

        A= Total kilowatt-hours delivered during all on-peak and
        partial-peak hours in the Monthly Curtailment period prior to
        successfully passing the 48-Hour Test and commencement of Monthly
        Curtailment excluding any energy associated with generation
        levels greater than firm capacity

        Y= ******* historic average Performance Factor for the
        corresponding applicable month (not including Monthly Curtailment
        months) multiplied by C (firm capacity in kilowatts) multiplied
        by the sum of on-peak hours and partial peak hours in the Monthly
        Curtailment period remaining after successfully passing the
        48-Hour Test and commencing Monthly Curtailment.  

        C = Firm capacity in kilowatts

        B = Total on-peak and partial peak hours during the month

        S = Total on-peak and partial peak hours during the month the
        Facility is out of service on scheduled maintenance or due to a
        PG&E forced outage prior to successfully passing the 48-Hour
        Test.

             For purposes of the Monthly Curtailment firm capacity
        payment, MCF will be deemed to be equal to the Performance Factor
        (P) as calculated above.  For purposes of determining the Monthly
        Curtailment as-delivered capacity payment, the Facility will
        receive a payment based upon its ********************************
        historic average energy deliveries to PG&E in excess of firm
        capacity in the applicable time-of-day period for the Facility in
        the corresponding month (not including months where Monthly
        Curtailment was taken at the Facility).  The payment calculation
        will be in accordance with Section D-2 of Appendix D of the PPA.
        If the Facility has not met the Performance Requirement as of the
        beginning of its Monthly Curtailment period, the Monthly
        Curtailment as-delivered capacity payment for the month will be
        determined in accordance with Section D-2 of Appendix D of the
        PPA.  For purposes of the calculations as-delivered capacity will
        be calculated as follows:

        As-Delivered Capacity = A+B

        Where:

        A = Kilowatt hour deliveries by time-of-day period in excess of
        firm capacity in the Monthly Curtailment period prior to
        successfully passing the 48-Hour Test and commencing Monthly
        Curtailment.

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        B= ****** historic average kwh deliveries by time-of-day period
        in excess of firm capacity in the corresponding applicable month
        (not including Monthly Curtailment months) multiplied by the
        number of applicable time-of-day periods in the Monthly
        Curtailment period remaining after successfully passing the
        48-Hour Test and commencing Monthly Curtailment.

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                                    SECTION 4

        4.   CAPACITY AND ENERGY SALES TO THIRD PARTY

        4.01 (a)  Any time after January 1, 1998, Seller may, at its sole
        discretion, sell additional power (i.e, energy and capacity
        exceeding **** mw, and/or ancillary services) from the Facility
        to any other party, subject to the limitations set forth in this
        Section 4. If Seller decides to sell power in excess of **** mw
        from the Facility, Seller will first offer that power for sale to
        PG&E before Seller agrees to sell that additional power to any
        other party.  Seller's offer shall be in writing and shall
        include, at a minimum, all pertinent information of proposed sale
        including quantity of additional power, price, duration of sale,
        time periods of sale, and terms and conditions on which Seller
        intends to sell such additional power ("Terms").  Within fifteen
        (15) business days of receipt of such written offer, PG&E will
        notify Seller that either PG&E rejects Seller's offer or PG&E
        will accept Seller's offer to purchase such additional power upon
        Seller Terms.  Failure by PG&E to respond within fifteen (15)
        business days of receipt of Seller's offer shall be deemed to be
        rejection by PG&E of Seller's offer.  Upon rejection of Seller's
        offer by PG&E, Seller shall thereafter be free to sell such
        additional power to any other party.  Should any of the Terms of
        Seller's offer to sell such additional power to a third party
        change from the Terms of its offer to PG&E, Seller is required to
        resubmit its offer to PG&E to sell such additional power under
        the revised Terms.  Each time Seller decides to sell power,
        Seller must provide PG&E the right of first refusal as per the
        protocol described above in this Section 4.01.

             (b)  Prior to engaging in any power sales to a third party
        under this Section 4.01, Seller agrees to execute any and all
        agreements deemed necessary by PG&E, the California Independent
        System Operator Corporation (ISO) and/or CA PX to engage in such
        sales.  Seller shall hold PG&E harmless from all charges
        associated with the sale or transmission of power to third
        parties assessed by the ISO and/or CA PX, including but not
        limited to the ISO Grid Management charge, ancillary services
        charges, congestion charges, or imbalance energy.  All such
        charges, if incurred by PG&E, shall be repaid by Seller to PG&E
        with interest if applicable.




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             4.02 In accordance with Article 5 of the PPA, PG&E shall
        accept and pay for up to **** mw in firm capacity deliveries from
        Seller with payment determined in accordance with Appendix E of
        the PPA.  PG&E shall pay Seller for capacity delivered in excess
        of firm capacity on an as-delivered capacity in accordance with
        As-Delivered Capacity Payment Option 2 set forth in Appendix D of
        the PPA up to a total maximum delivery of **** mw.  PG&E will not
        pay Seller under the terms of the PPA for any energy and capacity
        deliveries exceeding **** mw for the remaining term of the PPA.

             4.03 Seller agrees that it will take no action under this
        Section 4 which will directly or indirectly interfere with the
        recovery by PG&E of competition transition charges (CTCs) or
        stranded distribution costs (as determined by the California
        Public Utilities Commission or other regulatory, legislative or
        judicial body of competent jurisdiction), from PG&E's retail
        customers as of December 20, 1995, and Seller agrees to make PG&E
        whole for any such loss caused by Seller.

                                    SECTION 5

        5.   RELEASE

             5.01 Each Party does for itself, its officers, directors,
        agents, employees, attorneys, representatives, subsidiaries,
        affiliates, predecessors, successors, partners, limited partners,
        and assigns, hereby release and forever discharge the other Party
        and its officers, directors, agents, employees, attorneys,
        representatives, subsidiaries, affiliates, predecessors,
        successors, partners, limited partners and assigns from any and
        all claims, demands, causes of
        action, obligations or liabilities of any nature whatsoever
        (including attorney's fees and costs of suit), whether known or
        unknown, which either Party has or ever had against the other
        Party including those related to the following matters but
        excluding those set forth in Section 5.02 below:

        ****************************************************************

             5.02 ******************************************************

             5.03 Each Party represents and warrants that it has given
        any and all notices, and obtained any and all consents, powers
        and authorities, necessary to permit it and the person executing
        this Agreement for it, to enter into this Agreement, settle,
        compromise, and release the claims settled, compromised, and
        released herein, to do or undertake or forebear from any act
        called for herein, and to make this Agreement, and all the
        provisions hereof, fully binding on and enforceable against the
        other Party to this Agreement.

                                       15PAGE
<PAGE>
             5.04 Each Party acknowledges that it may have claims against
        the other Party of which it is currently unaware and that it
        agrees that this Agreement is intended to extend to any and all
        claims arising before the date of this Agreement which it may
        have against the other Party, whether known or unknown, excluding
        only claims based on the issues described in Section 5.02 above.
        As a further inducement and consideration, each party with
        respect to the subject matter of this Agreement expressly and
        specifically waives any rights or benefits available to it under
        California Civil Code Section 1542, which provides: "A general
        release does not extend to claims which the creditor does not
        know or suspect to exist in his favor at the time of executing
        the release, which if known by him must have materially affected
        his settlement with the debtor."

             5.05 Each Party acknowledges that it may have sustained
        damages, losses, costs, or expenses that are currently unknown or
        unsuspected, and that such damages, losses, costs, or expenses as
        may have been sustained may give rise to additional damages,
        losses, costs, or expenses in the future.  Each Party
        acknowledges that the facts may be other than it now understands
        them, and this Agreement has been negotiated and agreed upon in
        light of this situation, and each Party hereby expressly waives,
        with respect to the subject matter of this Agreement, any and all
        rights which it may have under California Civil Code Section
        1542.

             5.06 Each Party acknowledges that the valuable consideration
        for settlement of their disputes is solely for its own business
        purposes and for the purpose of obtaining peace and preventing
        protracted litigation between them.  Neither the fact of this
        Agreement, nor any of the consideration paid under it is or shall
        be construed to be an admission that any claim compromised or
        released by this Agreement is valid.

             5.07 This Release is freely and voluntarily made.  Neither
        Party has been influenced to any extent in making this Release by
        any representation or statements made by any representative,
        agent, employee, attorney, or servant of PG&E or Seller.

             5.08 Each Party represents and warrants that it has not
        assigned to any other Party the claims being released, and that
        it is fully entitled to give this release and discharge to the
        other Party.

             5.09 PG&E hereby accepts as complete and accurate any and
        all prior calculations and related payments to Seller for the
        curtailments of any sort entered into between PG&E and Seller
        prior to November 5, 1997.

                                       16PAGE
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                                    SECTION 6

        6.   MEDIATION

             6.01 In the event of any disputes, excluding disputes
        arising from the matters described in Section 5.02 above, between
        PG&E and Seller arising out of or connected with this Agreement
        which the parties are unable to resolve through direct
        negotiation, either party may serve upon the other at its
        principal place of business a request for mediation.  Neither
        party may file an action against the other in any court unless
        and until the party seeking to file such an action has first
        requested a mediation hearing and made a good faith effort to
        complete the mediation process provided in this Agreement.

             6.02 The Party requesting mediation shall recommend a
        neutral, independent person with experience in dispute mediations
        to act as mediator.  The mediator must be selected by agreement
        of all Parties.  The Parties shall endeavor to hold the mediation
        not less than ten or more than twenty days from the date the
        Party requesting mediation gives notice of the request for
        mediation to the other Party.  The mediation shall be held at San
        Francisco, California.  The cost of mediation shall be borne by
        the Parties equally.

             6.03 The Parties shall maintain the mediation proceedings in
        confidence and shall not disclose to third persons the statements
        made therein by the other Party or the mediator.  The provisions
        of California Evidence Code Sections 1152, 1152.5 and 1152.6
        shall apply to the mediation proceedings.

             6.04 At least five days before the date of the mediation,
        each Party shall provide the mediator with a statement of its
        position and copies of all supporting documents.  Each Party
        shall send to the mediation a person who has authority to bind
        the Party.  If the dispute involves third parties, they shall
        also be asked to participate in the mediation, but their presence
        shall not be necessary for the mediation to proceed.

             6.05 If a Party has participated in good faith in a
        mediation and is dissatisfied with the outcome, that Party may
        then invoke all legal rights and remedies available to the Party
        at law or in equity.

                                    SECTION 7

        7.   MISCELLANEOUS

             7.01 This Agreement constitutes the entire agreement of the
        Parties with respect to the subject matter hereof and supersedes
        any and all prior negotiations, correspondence, understandings
        and agreements between the Parties respecting the subject matter
        of this Agreement.

                                       17PAGE
<PAGE>
             7.02 This Agreement may be modified or amended only by a
        written instrument signed by the authorized representatives of
        both Parties.

             7.03 Captions are included herein for ease of reference
        only.  The captions are not intended to affect the meaning of the
        contents or scope of this Agreement.

             7.04 No provision of this Agreement shall be interpreted for
        or against PG&E or Seller because PG&E, Seller, or their
        respective attorneys drafted the particular provision.


             7.05 This Agreement shall be construed and interpreted in
        accordance with the laws of the State of California, excluding
        any choice of law rules that may direct the application of the
        laws of another jurisdiction.

             7.06 No term or provision herein shall be deemed waived and
        no breach excused unless such waiver or consent is in writing and
        signed by the Party claimed to have so waived or excused.

             7.07 Seller agrees to use reasonable efforts to support the
        reasonableness of this Agreement in any proceeding before the
        California Public Utilities Commission in which the prudence or
        reasonableness of this Agreement is examined.  Each Party shall
        bear its own costs and expenses in such a proceeding.

             7.08 The Parties hereby terminate the Tolling and
        Confidentiality Agreement between themselves dated September 25,
        1995.

             7.09 Except as expressly amended herein, the PPA shall
        remain unchanged.

                                    SECTION 8

        8.   CONFIDENTIALITY PROVISION

             Each Party agrees not to disclose the terms and conditions
        of this Agreement unless required by any governmental agency,
        regulatory authority, court, or otherwise by law.  PG&E may
        voluntarily disclose the terms and conditions of this Agreement
        to the California Public Utilities Commission, provided, however,
        PG&E will request the Commission to hold the terms of this
        Agreement in confidence.

             Each Party may disclose the terms and conditions of this
        Agreement to its tax advisors, accountants or other advisors whom
        such Party may retain for financial or legal advice, but only on
        the condition that all such advisors shall keep the terms and
        conditions of this Agreement confidential.  Seller may disclose
        the terms and conditions of this Agreement to its lenders and
        their advisors in order to obtain their consent to this
                                       18PAGE
<PAGE>
        Agreement, but shall require such lenders and advisors to keep
        the terms and conditions of this Agreement confidential, unless
        disclosure is required by any governmental agency, regulatory
        authority, court or otherwise by law to do so or unless
        disclosure is made in connection with the enforcement by such
        lenders of the loan documents between Seller and such lenders.

             IN WITNESS WHEREOF, Seller and PG&E have caused this
        Agreement to be executed by their duly authorized representatives
        as of the date first set forth above.

        PACIFIC GAS AND ELECTRIC COMPANY,       WOODLAND BIOMASS POWER, 
        a California corporation                LTD.


        By:   /s/ Junona A. Jones               By: Woodland Biomass
             --------------------
                                                Power Inc. 

                                                Its General Partner


                                                By: /s/ Floyd M.Gent
                                                   -----------------
                                                Its: Vice-president, 
                                                Asset Management

        Name:  Junona A. Jones                  Name: Floyd M. Gent
               ---------------                        --------------
        Title: Vice President,
              Gas & Electric Supply             Title:
              ---------------------                   -------------------

        Date of Signature:                      Date of Signature:
              December 23, 1997                 November 10, 1997
              -----------------                 -----------------

                                      


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                                                             Exhibit 10.4
                                                             ------------

                  SECOND AMENDMENT TO POWER PURCHASE AGREEMENT
                MENDOTA BIOMASS POWER, LTD. (PG&E Log No. 25C013)

             THIS SECOND AMENDMENT TO POWER PURCHASE AGREEMENT
        ("Agreement"), dated November 6th, 1997 is by and between MENDOTA
        BIOMASS POWER, LTD. ("Seller") a California limited partnership,
        and PACIFIC GAS AND ELECTRIC COMPANY ("PG&E"), a California
        corporation.  PG&E and Seller are sometimes referred to herein
        individually as "Party" and collectively as the "Parties."


                                    RECITALS
                                    --------

             A.   There is a Long-Term Energy and Capacity Power Purchase
        Agreement between Seller and PG&E signed by PG&E on January 7,
        1985, and by Seller on November 16, 1984, as amended by First
        Amendment (the "PPA"), for the 25,000 kw generator nameplate
        biomass-fueled facility (PG&E Log No. 25C013) located at the City
        of Mendota Industrial Park, California (the "Facility"); and,
                                                     --------

             B.   The intent of the Parties is for all terms and
        conditions of the PPA to remain in full force and effect except
        where expressly amended.  Unless otherwise defined herein, all
        capitalized and underlined terms shall have the same meaning as
        defined in the PPA.

             C.   Seller believes that sufficient fuel is available for
        delivery to the Facility to operate the Facility at 27,000 kw
                        ---------               --------
        under the PPA throughout the remainder of the Fixed Price Period.
                                                      ----- ----- ------

             D.   The Parties wish to restructure the PPA as set forth
        herein in ways which each Party believes will be to its benefit.

             E.   The Parties have had a variety of disputes under the
        PPA, including PG&E's administration of Curtailment Option B as
        set forth in Appendix C of the PPA.

             F.   To accomplish these restructuring changes and resolve
        the Curtailment Option B dispute, the Parties have agreed to the
        terms and conditions set forth below.

             Remaining portion of this page intentionally left blank.
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                                    AGREEMENT
             THEREFORE, in consideration of the mutual covenants in this
        Agreement, the Parties agree as follows:

                                    SECTION 1

        1.  DEFINITIONS

             Whenever used in this Agreement, the following terms shall
        have the following meanings:

             1.01 Curtailment Option B Adder:  the adder to energy
        payments for the Facility as provided in the first paragraph of
                         --------
        Appendix B at page B-1 of the PPA.

             1.02 Fixed Price Period: This term shall have the same
                  ----- ----- ------
        meaning in this Agreement as it has in the PPA for the Facility
                                                               --------
        which is the subject of this Agreement.

             1.03 kw:  Kilowatts

             1.04 kwh:  Kilowatt-hours

             1.05 California Power Exchange.:   The California Power
        Exchange Corporation ("CA PX"), a California not-for-profit
        public benefit corporation, which has been established in order
        to conduct competitive auctions for electric power in the State
        of California as described in Section 355 of the California
        Public Utilities Code.

             1.06 PPA Curtailment Provisions:  Article 7 and Appendix C
        of the PPA.  Section A-7 of Appendix A of the PPA is not included
        in this definition.

             1.07 Monthly Curtailment Period:  A continuous period of one
        calendar month commencing at 00:00 hours on first day and ending
        at 23:59 hours on last day of the calendar month (any one month
        from January through May, or September through December during
        the Fixed Price Period) during which, at PG&E's sole option,
            ------------------
        Seller shall physically curtail all deliveries of power from the
        Facility to PG&E to zero.
        --------

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                                    SECTION 2

        2.  BLOCK CURTAILMENT DURING THE FIXED PRICE PERIOD
                                         ----- ----- ------

             2.01 For the period beginning on January 1, 1998 through the
        end of the Fixed Price Period applicable to the Facility, the PPA
                   ----- ----- ------                   --------
        Curtailment Option B Provisions shall be superseded in the
        entirety by curtailment in accordance with this Section 2 which
        defines "Block Curtailment."  After the expiration of the Fixed
                                                                  -----
        Price Period in the PPA, this Section 2, and the resulting
        ----- ------
        amendments to the PPA contained herein, shall have no force or
        effect with the sole exception of Section 2.10 which shall
        continue in effect.

             2.02 Effective January 1, 1998 PG&E may, at its discretion,
        curtail the Facility for up to *** hours per calendar year
                    --------
        through the remaining period in the Fixed Price Period in the
                                            ----- ----- ------
        PPA.

             2.03 In the final calendar year of the Fixed Price Period,
                                                    ----- ----- ------
        the total annual amount of Block Curtailment provided by the
        Facility will be prorated based on the percentage of the calendar
        --------
        year which is in the Fixed Price Period.
                             ----- ----- ------

             2.04 If, as a result of a decision by a the court in the
        Judicial Council Coordination Proceeding No. 3241 or by a court
        or by the California Public Utilities Commission in any action
        relating to the end of Fixed Price Period, the Facility's Fixed
                               ----- ----- ------      ---------- -----
        Price Period is determined to end on a date that is later than
        ----- ------
        PG&E's current interpretation of the Fixed Price Period end date,
                                             ----- ----- ------
        Seller will be required to provide additional Block Curtailment
        from the Facility to PG&E on a prorated basis as provided in
                 --------
        Section 2.03 above.

             2.05 PG&E shall schedule the Block Curtailments from the
        Facility in blocks of a minimum of *** consecutive off-peak and
        --------
        super off-peak hours of curtailment, except for *** block of
        curtailment per calendar year which may be less than *** hours.
        PG&E shall provide Seller written notice by telecopy (followed by
        telephone verification of the telecopy notice) at least 12 hours
        prior to each Block Curtailment period.  Such notice shall be
        provided to Seller's plant manager or representative [fax number
        (209) 655-4525; telephone number (209) 655-4921] in accordance
        with PG&E's notice provision described above.

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             2.06 During Block Curtailment, Seller may reduce its energy
        deliveries to PG&E from the Facility to zero.  If the Facility
                                    --------                  --------
        delivers power during the Block Curtailment hours, PG&E shall pay
        for up to *** kwh per half-hour in energy deliveries at a price
        equal to ***% of the CA PX day-ahead energy price or, in the
        absence of a CA PX day-ahead energy price, at ***% of PG&E's
        short-run avoided cost (SRAC) energy prices for the corresponding
        hours.  PG&E will not pay Seller for deliveries from the Facility
                                                                 --------
        which exceed *** kwh per half-hour during the Block Curtailment
        period.  It is the intent of this Section for the Facility to
                                                          --------
        minimize its energy deliveries to PG&E during the Block
        Curtailment subject to the Facility's physical and regulatory
                                   --------
        constraints effecting safe and prudent operation of the Facility.
                                                                --------

             2.07 PG&E will have the right to cancel Block Curtailment
        after it has begun.  However, should a Block Curtailment be so
        canceled, PG&E will pay a price equal to ***% of the CA PX
        day-ahead energy price or, in the absence of a CA PX day-ahead
        energy price, at ***% of PG&E's short-run avoided cost (SRAC)
        energy prices for the corresponding hours for energy deliveries
        for the period from the commencement to the cancellation of that
        particular Block Curtailment.  No additional payment of any kind
        will be due from PG&E for such deliveries.  After any Block
        Curtailment is canceled, (i) the Facility will be required to
                                         --------
        start deliveries on a best efforts basis (ii) payment for any
        energy deliveries from the time cancellation of each individual
        Block Curtailment period becomes effective will be made in
        accordance with the PPA provisions , and (iii) any hours
        remaining in a period of scheduled Block Curtailment canceled by
        PG&E will be credited by PG&E against the remaining hourly
        calendar year limit of Block Curtailment under this Agreement.
        PG&E may, at its option, provide a schedule for Block Curtailment
        by December 31 or earlier of the preceding year for curtailment
        to occur in the following year.  However, PG&E may revise that
        schedule as long as it provides the Seller with a minimum of 12
        hours advance notice of that change.  Seller may elect to perform
        maintenance during a Block Curtailment.  Any scheduled
        maintenance performed during Block Curtailment shall reduce the
        allowance of annual scheduled maintenance hours available to
        Seller.

             2.08 The Block Curtailment provisions of this Agreement are
        not intended to affect Seller's capacity payments, since those
        payments are based on deliveries during on-peak and partial peak
        hours.

             2.09 For the period October 1, 1997 through December 31,
        1997, each of PG&E and Seller shall retain its existing rights
        under the PPA Curtailment Provisions.

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     CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE SECURITIES
              AND EXCHANGE COMMISSION.  ASTERISKS DENOTE OMISSIONS.

          2.10 Effective January 1, 1998, all provisions of the PPA
     pertaining to Curtailment Option B, including those provisions
     contained in Article 7 and Appendix C of the PPA, shall be deemed to
     have been rescinded in their entirety and shall no longer have any
     force or effect for any purpose whatsoever, except as provided below.
     PG&E agrees to continue to adjust the forecasted off-peak and super
     off-peak hours' energy prices listed in Table B-1, Appendix B of the
     PPA upward by ***% for Period A and ***% for Period B ("the
     "Curtailment Option B Adder") on and after January 1, 1998, through
     the end of Fixed Price Period except during Block Curtailment hours
                ----- ----- ------
     and the Monthly Curtailment periods covered under Section 3 of this
     Agreement.  The Curtailment Option B Adder will apply to all off-peak
     and super off-peak energy deliveries prior to the successful
     completion of the 48-Hour Test covered under Section 3.09 of this
     Agreement.  The provisions of Appendix A, Section A-7 of the PPA shall
     continue to apply for the term of the PPA.

                                    SECTION 3

     3.  PAYMENT FOR MONTHLY CURTAILMENT DURING THE FIXED PRICE
                                                    ----- -----
          PERIOD
          ------

          3.01  For the period beginning January 1, 1998 through the end of
     the Fixed Price Period, the following terms set forth in this Section
         ----- ----- ------
     3 shall apply.  After the end of the Fixed Price Period, this Section
                                          ----- ----- ------
     3 will have no further force or effect and the PPA provisions shall
     apply unmodified by this Section 3.

          3.02 Seller shall physically curtail all deliveries of power from
     the Facility for *** calendar months each year during the years 1998
         --------
     and 1999 ("Monthly Curtailment"), except as described in Section 3.07
     and Section 3.09 below.  Monthly Curtailment may occur only in those
     calendar months which are at least 2 calendar months apart.  For
     calendar year 1998, PG&E has the right to schedule (i) *** months of
     Monthly Curtailment during any months from January through May, or
     (ii) ******** of Monthly Curtailment during January through May and
     ******** of Monthly Curtailment during any month from September
     through December.  For the calendar year 1998, PG&E may not schedule
     *** months of Monthly Curtailment during the month of September
     through December.  For calendar year 1999 *** months of Monthly
     Curtailment will occur during the months of January through May.

          3.03 If, as a result of a decision in the Judicial Council
     Coordination Proceeding No. 3241 or by a court or by the California
     Public Utilities Commission in any action relating to the end of Fixed
                                                                      -----
     Price Period, the Facility's Fixed Price Period is determined to end
     ----- ------                ------ ----- ------
     on a date that is later than PG&E's current interpretation of the
     Fixed Price Period end date, Seller will be
     ----- ----- ------

                                        5PAGE
<PAGE>
           CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE
        SECURITIES AND EXCHANGE COMMISSION.  ASTERISKS DENOTE OMISSIONS.

        required to provide additional Monthly Curtailment.  This
        additional Monthly Curtailment and the resulting reduction in
        annual scheduled maintenance hours in accordance with Sections
        3.02 and 3.08 will be prorated based on the ratio of the number
        of Fixed Price Period hours remaining in that year to the total
           ----- ----- ------
        number of hours in the calendar year.  Any additional Monthly
        Curtailment that Seller must provide under this Section 3.03 will
        be scheduled and provided before the end of the Fixed Price
                                                        ----- -----
        Period.  Regardless of the end of the Fixed Price Period, for
        ------                                ----- ----- ------
        calendar year 1999 Seller will be deemed to have satisfied its
        Monthly Curtailment obligations by providing *** months of
        Monthly Curtailment by the end of May 1999.

             3.04 PG&E will provide Seller with at least 30 days advance
        written notice for the first Monthly Curtailment period in
        January through May 1998.  PG&E will provide Seller with a
        schedule no later than December 31, 1997 should the second
        Monthly Curtailment period occur in the January through May 1998
        period.  For the September through December 1998 Monthly
        Curtailment period, if any, PG&E will provide a schedule by June
        30, 1998.  For the January through May 1999 Monthly Curtailment
        period, PG&E will provide Seller with a schedule no later than
        October 31, 1998.  If PG&E fails to provide a 1999 Monthly
        Curtailment schedule by October 31, 1998, Seller may propose to
        PG&E the *** months from the designated curtailment months during
        which Seller plans to provide Monthly Curtailment.  However, PG&E
        reserves the right to make changes to Seller's proposed schedule.

             3.05 PG&E may revise a Monthly Curtailment schedule provided
        that Seller is notified of such revision by telecopy at least
        ninety (90) days prior to the originally scheduled Monthly
        Curtailment.

             3.06 In consideration of the mutual benefits of Monthly
        Curtailment, PG&E will pay Seller a Monthly Curtailment Energy
        Payment, for each Monthly Curtailment period in the years 1998
        and 1999 as set forth in the Table below.  The Monthly
        Curtailment Energy Payment for the first month of curtailment for
        the Facility shall be the amount specified for the corresponding
            --------
        month in the Table below for the "First Month of Monthly
        Curtailment."  The Monthly Curtailment Energy Payment for the
        second month of curtailment for the Facility shall be the amount
                                            --------
        specified for the corresponding month in the Table below for the
        "Second Month of Monthly Curtailment."  The amount shall be paid
        by PG&E to Seller at the time required by the PPA, and is subject
        to the provisions of Section 3.09 below.  Should Seller be
        required to provide additional Monthly Curtailment during its
        Fixed Price Period as described under Section 3.03 multiplied by
        ----- ----- ------
        the amount specified in the Table below for the "First Month of
        Monthly Curtailment" for the month in which Seller provides such
        additional curtailment.

             Remaining portion of this page intentionally left blank

                                        6PAGE
<PAGE>
           CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE
        SECURITIES AND EXCHANGE COMMISSION.  ASTERISKS DENOTE OMISSIONS.

        **************************************

             Note: Monthly Curtailment may occur only in those calendar
        months which are at least two calendar months apart.

             3.07 Seller may begin energy deliveries 48 hours before the
        end of each Monthly Curtailment period applicable to the
        Facility.  PG&E shall not pay Seller for energy and/or capacity
        --------
        deliveries during this 48-hour period.  Since this Agreement
        requires Seller to shut down the Facility after it has qualified
                                         --------
        to commence Monthly Curtailment pursuant to Section 3.09 below,
        if Seller continues to deliver power to PG&E after the Facility
                                                               --------
        has commenced Monthly Curtailment, Seller shall not receive any
        payment for any such deliveries which take place after the
        commencement of Monthly Curtailment.

             3.08 During the designated Monthly Curtailment periods,
        Seller is allowed to perform maintenance.  The Facility's annual
                                                      -----------
        allowance (based on a scheduled maintenance year) of *** hours of
        scheduled maintenance as found in Section E-3 of Appendix E of
        the PPA will be reduced by *** hours for the first Monthly
        Curtailment that occurs in any one month from January to May.  A
        second Monthly Curtailment that occurs in any month from January
        to May will not further reduce the Facility's remaining allowance
                                           ----------
        of annual scheduled maintenance hours.  However, for any second
        Monthly Curtailment period that occurs is any month from
        September through December, Facility's remaining allowance of
                                    ----------
        scheduled maintenance hours will be further reduced by *** hours.
        Any scheduled maintenance performed in non-Monthly Curtailment
        months shall be treated in accordance with the PPA provisions.
        After the end of the Fixed Price Period and through the remaining
                             ----- ----- ------
        term of the PPA, Seller will be charged for the actual number of
        hours used for performing scheduled maintenance under the
        unamended PPA terms.

             3.09 (a) It is the express purpose of this Agreement that
        Seller shall be compensated only for curtailment it would not
        otherwise have provided without the payments provided for in this
        Section 3.  The tests below in Section 3.09 (b) provide an
        objective and exclusive criteria for determining whether this
        purpose has been fulfilled.

                  (b) Seller shall be paid 100% of the Monthly
        Curtailment Energy Payment set forth in Section 3.06 above for
        the Monthly Curtailment periods of each year, if the Facility can
                                                             --------
        successfully satisfy item 1) and item 2) below (the "Performance
        Requirement"):

                       1)  The Facility delivers power to PG&E at or
                               --------
        above an average of 22,000 kwh per hour for a continuous 48 hour
        period, as measured using PG&E's conventional 30-minute metering
                                        7PAGE
<PAGE>
        process ("48-Hour Test"), immediately preceding (i) the Monthly
        Curtailment period, or (ii) Block Curtailment that immediately
        precedes a Monthly Curtailment, and

                       2)  The Facility is not fully forced out of
                               --------
        operation, except when caused by PG&E during the period between
        successful completion of item 1) above and prior to
        discontinuance of energy deliveries during the Facility's
        preparations to begin the Monthly Curtailment shutdown.

             The remaining portion of this page intentionally left blank.

        The 48-Hour Test will not be required if within 72 hours prior to
        the start of a Monthly Curtailment (i) a Block Curtailment
        occurs, provided the Facility had delivered at or above an
                             --------
        average of 22,000 kwh per hour for a continuous 48 hour period
        preceding the start of that Block Curtailment; or (ii) any PG&E
        caused or invoked interruption of deliveries occurs pursuant to
        Appendix A, Section A-7 of the PPA or, (iii) any interruption of
        deliveries occurs pursuant to Appendix A, Section A-8 of the PPA.

                  (c)  Seller shall provide written notice by telecopy
        (followed by telephone verification of the telecopy notice) to
        PG&E at such time that Seller determines the Facility has met the
                                                     --------
        Performance Requirement set out in Section 3.09(b) 1) & 2) above.
        Such notice will include Seller's metering data which supports
        the successful completion of item 1) of Section 3.09(b), as well
        as Seller's confirmation of successfully meeting the requirement
        of item 2) of Section 3.09(b), the date and time the Facility has
                                                             --------
        met the Performance Requirement and the date and time Monthly
        Curtailment has commenced or will commence.  Such notice shall be
        provided by telecopy and confirmed by telephone to PG&E's
        Manager, Utility Electric Supply or its successor organization
        per notice provided by PG&E [fax number (415) 973-9176; telephone
        number (415) 973-2875] and to the PG&E Administrator of the
        Mendota PPA or its successor [current fax number (415) 973-2151;
        current telephone number (415) 973-2163].  PG&E shall notify
        Seller by telecopy (confirmed by telephone) within two business
        days of receipt of notice from Seller, if it does not concur with
        Seller that the Facility has met Performance Requirement.
                        --------
        Notices to Seller under this Section 3.09 shall be provided by
        telecopy to the Facility's plant manager or representative and
                        ----------
        confirmed by telephone [fax number (209) 655-4525; telephone
        number (209) 655-4921].  Failure by PG&E to respond within two
        business days of receipt of notice from Seller shall be deemed to
        be notification by PG&E that PG&E concurs with Seller that the
        Facility has satisfied the 48-Hour Test.
        --------


                                        8PAGE
<PAGE>
           CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE
        SECURITIES AND EXCHANGE COMMISSION.  ASTERISKS DENOTE OMISSIONS.

                  (d)  If the Facility does not meet the Performance
                              --------
        Requirement as of the beginning of the Monthly Curtailment
        period, Monthly Curtailment shall not begin until the Facility
                                                              --------
        subsequently passes the 48-Hour Test, at which time Monthly
        Curtailment will commence.  Seller shall make reasonable efforts
        to successfully pass the 48-Hour Test.  The Facility's allowance
                                                    ----------
        of *** and *** hours during the First and Second Monthly
        Curtailment periods, respectively, will be prorated based on the
        number of hours of curtailment provided to the total number of
        hours in the calendar month.  Seller shall provide written notice
        to PG&E by telecopy (confirmed by telephone) at such time that
        Seller determines the Facility has met the 48-Hour Test and the
                              --------
        Monthly Curtailment has commenced.  PG&E shall notify Seller by
        telecopy (confirmed by telephone) within two business days of
        receipt of notice from Seller if it does not concur with 
        Seller that the Facility has passed the 48-Hour Test.
                        --------

             Failure by PG&E to respond within the two business days of
        receipt of notice from Seller shall be deemed to be notification
        by PG&E that it concurs with Seller that the Facility has
                                                     --------
        satisfied the 48-Hour Test.

                  (e)  If the Facility passes the 48-Hour Test after the
                             ---------
        designated Monthly Curtailment period has begun, the Monthly
        Curtailment Energy Payment will be prorated based upon the ratio
        of (i) the number of hours remaining in the Monthly curtailment
        period after the Facility has successfully passed the 48-Hour
                         --------
        Test and commenced Monthly Curtailment to (ii) the total number
        of hours in the Monthly Curtailment period.  For all energy
        deliveries in a Monthly Curtailment period prior to the
        commencement of Monthly Curtailment, Seller shall receive ***% of
        the Forecast Energy Prices under Energy Payment Option 1 at Table
        B-1, Appendix B, of the PPA, including the Curtailment Option B
        Adder, if applicable, subject to the limitation in the last
        sentence of this paragraph (e).  The total energy payment for
        such designated curtailment month will be the sum of (i) the
        payment for energy delivered prior to commencement of the Monthly
        Curtailment plus (ii) the prorated Monthly Curtailment Energy
        Payment, provided, however that the total energy payment for such
        Monthly Curtailment period will be limited to a maximum amount
        equal to 100% of the Monthly Curtailment Energy Payment for the
        applicable month as set forth in Section 3.06 above.

                  (f)  Because the first and second Monthly Curtailment
        periods during each year shall always be non-consecutive, Seller
        is required to satisfy the Performance Requirement individually
        for each Monthly Curtailment period by successfully passing the
        48-Hour Test.

           CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE
        SECURITIES AND EXCHANGE COMMISSION.  ASTERISKS DENOTE OMISSIONS.
                                        9PAGE
<PAGE>
             3.10 Capacity payments for each Monthly Curtailment period
        shall be calculated using the Facility's past
                                      ----------
        ********************* average historic energy deliveries in the
        corresponding month (not including months where Monthly
        Curtailment was taken at the Facility), provided that the
                                     --------
        Facility meets the Performance Requirement as set forth in
        --------
        Section 3.09 above.

                  The Monthly Curtailment firm capacity payment for the
                                          ---- --------
        Facility will be calculated
        --------
        in accordance with Section E-5 of Appendix E of the PPA.  For
        purposes of the calculation, the Monthly Capacity Factor ("MCF")
        will be deemed to be equal to the ************************
        historic average Performance Factor in the corresponding month
        (not including months where Monthly Curtailment was taken at the
        Facility).
        --------

                  If the Facility has not met the Performance Requirement
                         --------
        as of the beginning of a Monthly Curtailment period, the Monthly
        Curtailment firm capacity payment for the month will be
                    ---- --------
        calculated in accordance with Section E-5 of Appendix E of the
        PPA, substituting the following factors for P and MCF:
             P=       A +Y       <= (1.0)
                  ------------
                  Cx(B-S)x(.8)
             A=   Total kilowatt-hours delivered during all on-peak and
        partial-peak hours in the Monthly Curtailment period prior to
        successfully passing the 48-Hour Test and commencement of Monthly
        Curtailment excluding any energy associated with generation
        levels greater than firm capacity
                            -------------
             Y=   ****** historic average Performance Factor for the
        corresponding applicable month (not including Monthly Curtailment
        months) multiplied by C (firm capacity in kilowatts) multiplied
                                 ---- --------
        by the sum of on-peak hours and partial peak hours in the Monthly
        Curtailment period remaining after successfully passing the
        48-Hour Test and commencing Monthly Curtailment.
             C=   Firm capacity in kilowatts
                  ---- --------
             B=   Total on-peak and partial peak hours during the month
             S=   Total on-peak and partial peak hours during the month
        the Facility is out of service on scheduled maintenance or due to
            --------
        a PG&E forced outage prior to successfully passing the 48-Hour
        Test.

             For purposes of the Monthly Curtailment firm capacity
                                                     ---- --------
        payment, MCF will be deemed to be equal to the Performance Factor
        (P) as calculated above.


                                       10PAGE
<PAGE>
           CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE
        SECURITIES AND EXCHANGE COMMISSION.  ASTERISKS DENOTE OMISSIONS.

             For purposes of determining the Monthly Curtailment
        as-delivered capacity payment, the Facility will receive a
        -- --------- --------              --------
        payment based upon its ************************ historic average
        energy deliveries to PG&E in excess of firm capacity in the
                                               ---- --------
        applicable time-of-day period for the Facility in the
                                              --------
        corresponding month (not including months where Monthly
        Curtailment was taken at the Facility).  The payment calculation
                                     --------
        will be in accordance with Section D-2 of Appendix D of the PPA.

             If the Facility has not met the Performance Requirement as
                    --------
        of the beginning of its Monthly Curtailment period, the Monthly
        Curtailment as-delivered capacity payment for the month will be
                    -- --------- --------
        determined in accordance with Section D-2 of Appendix D of the
        PPA.  For purposes of the calculations as-delivered capacity will
                                               -- --------- --------
        be calculated as follows:

        As-Delivered Capacity = A + B
        -- --------- --------
        Where:
             A=   Kilowatt hour deliveries by time-of-day period in
        excess of firm capacity in the Monthly Curtailment period prior
                  ---- --------
        to successfully passing the 48-Hour Test and commencing Monthly
        Curtailment.
             B=   ****** historic average kwh deliveries by time-of-day
        period in excess of firm capacity in the corresponding applicable
                            ---- --------
        month (not including Monthly Curtailment months) multiplied by
        the number of applicable time-of-day periods in the Monthly
        Curtailment period remaining after successfully passing the
        48-Hour Test and commencing Monthly Curtailment.

             Remaining portion of this page intentionally left blank





                                       11PAGE
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           CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE
        SECURITIES AND EXCHANGE COMMISSION.  ASTERISKS DENOTE OMISSIONS.

                                    SECTION 4

        4.  CAPACITY AND ENERGY DELIVERIES

             4.01 PG&E shall accept and pay for up to *** mw of Seller's
        energy and capacity deliveries under the terms of the PPA and
        where appropriate as amended by this Agreement.  PG&E shall
        accept and pay for Seller's energy deliveries exceeding *** mw up
        to a maximum of *** mw at prices equal to ***% of the CA PX
        day-ahead energy prices or, in the absence of CA PX day-ahead
        energy prices, at ***% of PG&E's SRAC energy prices.  PG&E will
        not pay Seller for energy deliveries exceeding *** mw for the
        remaining term of the PPA.

             4.02 In accordance with Article 5 of the PPA, PG&E shall
        accept and pay for up to 22.0 mw in firm capacity deliveries from
                                            ---- --------
        Seller with payment determined in accordance with Appendix E of
        the PPA.  PG&E shall pay Seller for capacity delivered in excess
        of firm capacity on an as-delivered capacity basis in accordance
           ---- --------       -- --------- --------
        with As-Delivered Capacity Payment Option 2 set forth in Appendix
             -- --------- --------
        D up to a total maximum delivery of *** mw.  PG&E will not pay
        Seller for capacity deliveries exceeding *** mw for the remaining
        term of the PPA.


                                    SECTION 5

        5.  RELEASE

             5.01 Each Party does for itself, its officers, directors,
        agents, employees, attorneys, representatives, subsidiaries,
        affiliates, predecessors, successors, partners, limited partners,
        and assigns, hereby release and forever discharge the other Party
        and its officers, directors, agents, employees, attorneys,
        representatives, subsidiaries, affiliates, predecessors,
        successors, partners, limited partners and assigns from any and
        all claims, demands, causes of action, obligations or liabilities
        of any nature whatsoever (including attorney's fees and costs of
        suit), whether known or unknown, which either Party has or ever
        had against the other Party including those related to the
        following matters but excluding those set forth in Section 5.02
        below:

        ***************************************************************


                                       12PAGE
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           CONFIDENTIAL MATERIAL OMITTED AND FILED SEPARATELY WITH THE
        SECURITIES AND EXCHANGE COMMISSION.  ASTERISKS DENOTE OMISSIONS.

             5.02
        ************************************************************

             5.03 Each Party represents and warrants that it has given
        any and all notices, and obtained any and all consents, powers
        and authorities, necessary to permit it and the person executing
        this Agreement for it, to enter into this Agreement, settle,
        compromise, and release the claims settled, compromised, and
        released herein, to do or undertake or forebear from any act
        called herein, and to make this Agreement, and all the provisions
        hereof, fully binding on and enforceable against the other Party
        to this Agreement.

             5.04 Each Party acknowledges that it may have claims against
        the other Party of which it is currently unaware and that it
        agrees that this Agreement is intended to extend to any and all
        claims arising before the date of this Agreement which it may
        have against the other Party, whether known or unknown, excluding
        only claims based on the issues described in Section 5.02 above.
        As a further inducement and consideration, each party with
        respect to the subject matter of this Agreement expressly and
        specifically waives any rights or benefits available to it under
        California Civil Code Section 1542, which provides: "A general
        release does not extend to claims which the creditor does not
        know or suspect to exist in his favor at the time of executing
        the release, which if known by him must have materially affected
        his settlement with the debtor."

             5.05 Each Party acknowledges that it may have sustained
        damages, losses, costs, or expenses that are currently unknown or
        unsuspected, and that such damages, losses, costs, or expenses as
        may have been sustained may give rise to additional damages,
        losses, costs, or expenses in the future.  Each Party
        acknowledges that the facts may be other than it now understands
        them, and this Agreement has been negotiated and agreed upon in
        light of this situation, and each Party hereby expressly waives,
        with respect to the subject matter of this Agreement, any and all
        rights which it may have under California Civil Code Section
        1542.

             5.06 Each Party acknowledges that the valuable consideration
        for settlement of their disputes is solely for its own business
        purposes and for the purpose of obtaining peace and preventing
        protracted litigation between them.  Neither the fact of this
        Agreement, nor any of the consideration paid under it is or shall
        be construed to be an admission that any claim compromised or
        released by this Agreement is valid.

                                       13PAGE
<PAGE>

             5.07 This Release is freely and voluntarily made.  Neither
        Party has been influenced to any extent in making this Release by
        any representation or statements made by any representative,
        agent, employee, attorney, or servant of PG&E or Seller.

             5.08 Each Party represents and warrants that it has not
        assigned to any other Party the claims being released, and that
        it is fully entitled to give this release and discharge to the
        other Party.

             5.09 PG&E hereby accepts as complete and accurate any and
        all prior calculations and related payments to Seller for the
        curtailments of any sort entered into between PG&E and Seller
        prior to November 5, 1997.

                                    SECTION 6

        6.  MEDIATION

             6.01 In the event of any disputes, excluding disputes
        arising from the matters described in Section 5.02 above, between
        PG&E and Seller arising out of or connected with this Agreement
        which the parties are unable to resolve through direct
        negotiation, either party may serve upon the other at its
        principal place of business a request for mediation.  Neither
        party may file an action against the other in any court unless
        and until the party seeking to file such an action has first
        requested a mediation hearing and made a good faith effort to
        complete the mediation process provided in this Agreement.

             6.02 The Party requesting mediation shall recommend a
        neutral, independent person with experience in dispute mediations
        to act as mediator.  The mediator must be selected by agreement
        of all Parties.  The Parties shall endeavor to hold the mediation
        not less than ten or more than twenty days from the date the
        Party requesting mediation gives notice of the request for
        mediation to the other Party.  The mediation shall be held at San
        Francisco, California.  The cost of mediation shall be borne by
        the Parties equally.

             6.03 The Parties shall maintain the mediation proceedings in
        confidence and shall not disclose to third persons the statements
        made therein by the other Party or the mediator.  The provisions
        of California Evidence Code Sections 1152, 1152.5 and 1152.6
        shall apply to the mediation proceedings.

             6.04 At least five days before the date of the mediation,
        each Party shall provide the mediator with a statement of its
        position and copies of all supporting documents.  Each Party
        shall send to the mediation a person who has authority to bind
        the Party.  If the dispute involves third parties, they shall
        also be asked to participate in the mediation, but their presence
        shall not be necessary for the mediation to proceed.

                                       14PAGE
<PAGE>
             6.05 If a Party has participated in good faith in a
        mediation and is dissatisfied with the outcome, that Party may
        then invoke all legal rights and remedies available to the Party
        at law or in equity.

                                    SECTION 7

        7.  MISCELLANEOUS

             7.01 This Agreement constitutes the entire agreement of the
        Parties with respect to the subject matter hereof and supersedes
        any and all prior negotiations, correspondence, understandings
        and agreements between the Parties respecting the subject matter
        of this Agreement.

             7.02 This Agreement may be modified or amended only by a
        written instrument signed by the authorized representatives of
        both Parties.

             7.03 Captions are included herein for ease of reference
        only.  The captions are not intended to affect the meaning of the
        contents or scope of this Agreement.

             7.04 No provision of this Agreement shall be interpreted for
        or against PG&E or Seller because PG&E, Seller, or their
        respective attorneys drafted the particular provision.

             7.05 This Agreement shall be construed and interpreted in
        accordance with the laws of the State of California, excluding
        any choice of law rules that may direct the application of the
        laws of another jurisdiction.

             7.06 No term or provision herein shall be deemed waived and
        no breach excused unless such waiver or consent is in writing and
        signed by the Party claimed to have so waived or excused.

             7.07 Seller agrees to use reasonable efforts to support the
        reasonableness of this Agreement in any proceeding before the
        California Public Utilities Commission in which the prudence or
        reasonableness of this Agreement is examined.  Each Party shall
        bear its own costs and expenses in such a proceeding.

             7.08 The Parties hereby terminate the Tolling and
        Confidentiality Agreement between themselves dated September 25,
        1995.

             7.09 Except as expressly amended herein, the PPA shall
        remain unchanged.


                                       15PAGE
<PAGE>
                                    SECTION 8


        8.  CONFIDENTIALITY PROVISION

             Each Party agrees not to disclose the terms and conditions
        of this Agreement unless required by any governmental agency,
        regulatory authority, court, or otherwise by law.  PG&E may
        voluntarily disclose the terms and conditions of this Agreement
        to the California Public Utilities Commission, provided, however,
        PG&E will request the Commission to hold the terms of this
        Agreement in confidence.

             Each Party may disclose the terms and conditions of this
        Agreement to its tax advisors, accountants or other advisors whom
        such Party may retain for financial or legal advice, but only on
        the condition that all such advisors shall keep the terms and
        conditions of this Agreement confidential.  Seller may disclose
        the terms and conditions of this Agreement to its lenders and
        their advisors in order to obtain their consent to this
        Agreement, but shall require such lenders and advisors to keep
        the terms and conditions of this Agreement confidential, unless
        disclosure is required by any governmental agency, regulatory
        authority, court or otherwise by law to do so or unless
        disclosure is made in connection with the enforcement by such
        lenders of the loan documents between Seller and such lenders.

             IN WITNESS WHEREOF, Seller and PG&E have caused this
        Agreement to be executed by their duly authorized representatives
        as of the date first set forth above.


        PACIFIC GAS AND ELECTRIC COMPANY,  MENDOTA BIOMASS POWER, LTD.,
        a California corporation           By:  Thermendota, Inc., 
                                           Its General Partner

        By: /s/ Junona A. Jones            By: Floyd M. Gent
            -------------------                -------------
                                           Its: Vice-president, 
                                                Asset Management

        Name: Junona A. Jones              Name: Floyd M. Gent
              ---------------                   --------------

        Title: Vice President,             Title: ___________________
               Gas & Electric Supply
               ---------------------

        Date of Signature:                 Date of Signature:
        December 23, 1997                  November 10, 1997
        -----------------                  -----------------



<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THERMO
ECOTEK CORPORATION'S QUARTERLY REPORT ON FORM 10-Q FOR THE QUARTER ENDED
JANUARY 3, 1998 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
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<FISCAL-YEAR-END>                          OCT-03-1998
<PERIOD-END>                               JAN-03-1998
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<SECURITIES>                                         0
<RECEIVABLES>                                   33,572
<ALLOWANCES>                                         0
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<CURRENT-ASSETS>                               131,348
<PP&E>                                         352,203
<DEPRECIATION>                                  70,831
<TOTAL-ASSETS>                                 478,449
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<BONDS>                                        112,922
                                0
                                          0
<COMMON>                                         2,628
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<TOTAL-LIABILITY-AND-EQUITY>                   478,449
<SALES>                                         47,809
<TOTAL-REVENUES>                                47,809
<CGS>                                           31,395
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<INCOME-TAX>                                     3,326
<INCOME-CONTINUING>                              9,258
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<NET-INCOME>                                     9,258
<EPS-PRIMARY>                                      .38
<EPS-DILUTED>                                      .25
        


</TABLE>


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