<PAGE 1>

               UNITED STATES SECURITIES AND EXCHANGE COMMISSION

                         Washington, D. C. 20549-1004

                                   FORM 10-Q

(Mark One)

 X   QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
     EXCHANGE ACT OF 1934

     For quarterly period ended September 30, 1994

                                      OR

     TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
     EXCHANGE ACT OF 1934

     For the transition period from ________________ to ________________

                         Commission File Number 1-7316

                          COMMONWEALTH ENERGY SYSTEM                   
      (Exact name of registrant as specified in its Declaration of Trust)


        Massachusetts                                         04-1662010    
(State or other jurisdiction of                          (I.R.S. Employer
 incorporation or organization)                           Identification No.)


One Main Street, Cambridge, Massachusetts                     02142-9150    
(Address of principal executive offices)                      (Zip Code)

                                (617) 225-4000                   
             (Registrant's telephone number, including area code)

                                                                          
   (Former name, address and fiscal year, if changed since last report)   


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.

                                                       Outstanding at
        Class of Common Stock                         November 1, 1994

     Common Shares of Beneficial
     Interest, $4 par value                           10,521,774 shares

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                        PART I. - FINANCIAL INFORMATION

Item 1. Financial Statements

              COMMONWEALTH ENERGY SYSTEM AND SUBSIDIARY COMPANIES

                           CONDENSED BALANCE SHEETS

                   SEPTEMBER 30, 1994 AND DECEMBER 31, 1993

                                    ASSETS

                                  (Unaudited)




                                                  September 30,  December 31,
                                                      1994          1993    
                                                    (Dollars in Thousands)

PROPERTY, PLANT AND EQUIPMENT, at original cost
  Electric                                         $1 036 929     $1 018 121
  Gas                                                 332 005        322 314
  Other                                                58 455         58 473
                                                    1 427 389      1 398 908
  Less - Accumulated depreciation and
           amortization                               455 443        425 483
                                                      971 946        973 425
  Add - Construction work in progress and
          nuclear fuel in process                      11 393         11 089
                                                      983 339        984 514

LEASED PROPERTY, net                                   15 594         16 150

INVESTMENTS
  Nuclear electric power companies (2.5% to 4.5%)      10 004          9 660
  Other investments                                     3 896          3 889
                                                       13 900         13 549

CURRENT ASSETS
  Cash                                                  3 675          6 007
  Accounts receivable                                  70 946         93 663
  Unbilled revenues                                    18 445         43 279
  Inventories, at average cost                         36 604         36 102
  Prepaid taxes and other                              19 879         15 231
                                                      149 549        194 282

DEFERRED CHARGES                                      126 105        106 668

                                                   $1 288 487     $1 315 163

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              COMMONWEALTH ENERGY SYSTEM AND SUBSIDIARY COMPANIES

                           CONDENSED BALANCE SHEETS

                   SEPTEMBER 30, 1994 AND DECEMBER 31, 1993

                        CAPITALIZATION AND LIABILITIES

                                  (Unaudited)

                                                  September 30, December 31,
                                                      1994          1993    
                                                    (Dollars in Thousands)
CAPITALIZATION
  Common share investment -
    Common shares, $4 par value -
      Authorized - 18,000,000 shares
      Outstanding - 10,460,623 in 1994 and
        10,295,077 in 1993                         $   41 842     $   41 180
    Amounts paid in excess of par value               100 980         94 657
    Retained earnings                                 214 865        201 233
                                                      357 687        337 070
  Redeemable preferred shares, less current
    sinking fund requirements                          14 660         15 480

  Long-term debt, including premiums, less current
    sinking fund requirements and maturities          437 137        448 893
                                                      809 484        801 443

CAPITAL LEASE OBLIGATIONS                              14 026         14 456

CURRENT LIABILITIES
  Interim Financing - 
    Notes payable to banks                             13 925         71 975
    Maturing long-term debt                            20 000         10 000
                                                       33 925         81 975

  Other Current Liabilities -
    Current sinking fund requirements                   6 793          6 793
    Accounts payable                                   86 240         90 006
    Accrued taxes                                      20 711          9 090
    Other                                              38 774         37 322
                                                      152 518        143 211
                                                      186 443        225 186
DEFERRED CREDITS
  Accumulated deferred income taxes                   162 676        156 851
  Unamortized investment tax credits
    and other                                         115 858        117 227
                                                      278 534        274 078

COMMITMENTS AND CONTINGENCIES

                                                   $1 288 487     $1 315 163

                            See accompanying notes.

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              COMMONWEALTH ENERGY SYSTEM AND SUBSIDIARY COMPANIES

                        CONDENSED STATEMENTS OF INCOME

       FOR THE THREE AND NINE MONTHS ENDED SEPTEMBER, 30, 1994 AND 1993

                                  (Unaudited)

                                Three Months Ended       Nine Months Ended
                                  1994        1993        1994        1993
                                         (Dollars in Thousands)
OPERATING REVENUES
  Electric                      $174 421    $168 510    $493 500    $465 987
  Gas                             46 251      47 429     244 557     222 098
  Steam and other                  2 627       1 945      11 780      10 048
                                 223 299     217 884     749 837     698 133

OPERATING EXPENSES
  Fuel and purchased power        95 516      94 484     277 536     259 129
  Cost of gas sold                29 263      30 526     137 185     120 113
  Other operation and
    maintenance                   62 185      58 417     190 082     190 188
  Depreciation                     9 724       9 436      32 963      31 704
  Taxes -
    Local property and other       5 470       4 882      19 074      18 830
    Federal and state income       3 502       4 098      23 022      19 374
                                 205 660     201 843     679 862     639 338
OPERATING INCOME                  17 639      16 041      69 975      58 795

OTHER INCOME (EXPENSE)              (759)        530          49       5 110

INCOME BEFORE INTEREST CHARGES    16 880      16 571      70 024      63 905

INTEREST CHARGES
  Long-term debt                   9 942       9 632      29 644      27 877
  Other interest charges             830       1 330       2 804       4 276
  Allowance for borrowed funds
    used during construction        (108)        (87)       (351)       (181)
                                  10 664      10 875      32 097      31 972
NET INCOME                         6 216       5 696      37 927      31 933
  Dividends on preferred shares      294         309         888         933
EARNINGS APPLICABLE TO
  COMMON SHARES                 $  5 922    $  5 387    $ 37 039    $ 31 000
AVERAGE NUMBER OF COMMON
  SHARES OUTSTANDING           10 440 347  10 231 955  10 383 895  10 194 489

EARNINGS PER COMMON SHARE           $ .57       $ .52       $3.57       $3.04
DIVIDENDS DECLARED PER 
  COMMON SHARE                      $ .75       $ .73       $2.25       $2.19

                            See accompanying notes.

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              COMMONWEALTH ENERGY SYSTEM AND SUBSIDIARY COMPANIES

                      CONDENSED STATEMENTS OF CASH FLOWS

             FOR THE NINE MONTHS ENDED SEPTEMBER 30, 1994 AND 1993

                                  (Unaudited)

                                                          1994        1993
                                                       (Dollars in Thousands)

OPERATING ACTIVITIES
  Net income                                           $ 37 927    $ 31 933
  Effects of non-cash items -
    Depreciation and amortization                        43 066      39 672
    Deferred income taxes and investment
      tax credits, net                                    6 506       5 107
    Equity earnings from corporate joint ventures        (1 313)     (1 202)
  Dividends from corporate joint ventures                   962       1 237
  Change in working capital, exclusive of cash
    and interim financing                                51 708      38 410
  All other operating items                             (31 450)    (23 619)
Net cash provided by operating activities               107 406      91 538

INVESTING ACTIVITIES
  Additions to property, plant and equipment
    (exclusive of AFUDC) -
      Electric                                          (19 818)    (18 807)
      Gas                                               (11 351)    (14 766)
      Other                                                (282)       (974)
  Allowance for borrowed funds used during
    construction                                           (351)       (181)
Net cash used for investing activities                  (31 802)    (34 728)

FINANCING ACTIVITIES
  Sale of common shares                                   6 985       4 862
  Payment of dividends                                  (24 295)    (23 288)
  Payment of short-term borrowings                      (58 050)    (77 325)
  Long-term debt issues                                     -        65 000
  Long-term debt issues refunded                            -       (21 300)
  Sinking funds payments                                 (2 576)     (2 589)
Net cash used for financing activities                  (77 936)    (54 640)
Net increase (decrease) in cash                          (2 332)      2 170
Cash at beginning of period                               6 007       1 522
Cash at end of period                                  $  3 675    $  3 692

SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
  Cash paid during the period for:
    Interest (net of capitalized amounts)              $ 29 635    $ 28 513
    Income taxes                                       $ 14 088    $ 13 472


                            See accompanying notes.

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              COMMONWEALTH ENERGY SYSTEM AND SUBSIDIARY COMPANIES
                    NOTES TO CONDENSED FINANCIAL STATEMENTS

(1) Accounting Policies

        Commonwealth Energy System, the parent company, is referred to in
    this report as the "System" and together with its subsidiaries is
    sometimes collectively referred to as "the system."

        The system's significant accounting policies are described in Note 1
    of Notes to Consolidated Financial Statements included in its 1993 Annual
    Report on Form 10-K filed with the Securities and Exchange Commission. 
    For interim reporting purposes, the system follows these same basic
    accounting policies but considers each interim period as an integral part
    of an annual period and makes allocations of certain expenses to interim
    periods based upon estimates of such expenses for the year.

        Regulated subsidiaries of the System have established various
    regulatory assets in cases where the Massachusetts Department of Public
    Utilities (DPU) and/or the Federal Energy Regulatory Commission (FERC)
    have permitted, or are expected to permit, recovery of specific costs
    over time.  Similarly, certain regulatory liabilities established by the
    system are required to be refunded to customers over time.  As of
    September 30, 1994, principal regulatory assets included in deferred
    charges were $20 million for transition costs associated with FERC Order
    636, $17.9 million for postretirement benefit costs including pensions,
    $13.2 million for abandonment and nonconstruction costs related to the
    Seabrook project, $13.2 million for unrecovered plant and decommissioning
    costs for the Yankee Atomic nuclear plant, $11.5 million for Commonwealth
    Electric Company's (Commonwealth Electric) rate stabilization plan, $7.3
    million related to deferred income taxes and $7.1 million in litigation
    costs associated with a settlement agreement with Boston Edison Company
    relative to the Pilgrim nuclear plant.  The principal regulatory
    liability, reflected in deferred credits, was $17.7 million related to
    income taxes.

        Generally, expenses which relate to more than one interim period are
    allocated to other periods to more appropriately match revenues and
    expenses.  Principal items of expense which are allocated other than on
    the basis of passage of time are depreciation and property taxes of the
    gas subsidiary, Commonwealth Gas Company (Commonwealth Gas).  These
    expenses are recorded for interim reporting purposes based upon projected
    gas revenue.  Income tax expense is recorded using the statutory rates in
    effect applied to book income subject to tax for each interim period.

        The unaudited financial statements for the periods ended September
    30, 1994 and 1993, reflect, in the opinion of the System, all adjustments
    necessary to summarize fairly the results for such periods.  In addition,
    certain prior period amounts are reclassified from time to time to con-
    form with the presentation used in the current period's financial
    statements.

        The results for interim periods are not necessarily indicative of
    results for the entire year because of seasonal variations in the
    consumption of energy and Commonwealth Gas' seasonal rate structure.

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              COMMONWEALTH ENERGY SYSTEM AND SUBSIDIARY COMPANIES

(2) Commitments and Contingencies

        (a) Construction

        The system is engaged in a continuous construction program presently
    estimated at $358.3 million for the five-year period 1994 through 1998. 
    Of that amount, $71.9 million is estimated for 1994.  The program is
    subject to periodic review and revision.

        (b) Decommissioning of Nuclear Power Plants

        The system, through Canal Electric Company (Canal), has a 3.52%
    joint-ownership interest in the Seabrook nuclear power plant.  Canal and
    the other joint owners have established a Seabrook Nuclear
    Decommissioning Financing Fund to cover post operational decommissioning
    costs.  The estimated cost to decommission the plant is $378 million, in
    1994 dollars, through September 30, 1994.  Canal's share, less its share
    of the market value of the decommissioning trust ($995,000), amounts to
    approximately $12.3 million.

        The system also has equity ownership interests in four nuclear
    generating facilities in New England and is obligated to pay its
    proportionate share of the capacity and energy costs associated with
    these units, which include depreciation, operations and maintenance, a
    return on invested capital and the estimated cost of decommissioning the
    nuclear plants at the end of their estimated service lives.  Pertinent
    information with respect to projected decommissioning costs, in 1994
    dollars, resulting from life-of-the-unit contracts from those units still
    operating is as follows:

                                            Connecticut   Maine     Vermont
                                               Yankee     Yankee    Yankee 
                                                  (Dollars in Millions)

    Equity ownership (%)                         4.50       4.00       2.50
    Plant entitlement (%)                        4.50       3.59       2.25
    Plant capability (MW)                       560.0      870.0      496.0
    Company entitlement (MW)                     25.2       31.2       11.2
    Contract expiration date                     1998       2008       2012
    Decommissioning cost estimate (100%) ($)    356.5      338.2      325.3
    System's decommissioning cost ($)            16.0       12.1        7.3
    Market value of assets (100%) ($)           145.5       74.3      111.1
    System's market value of assets ($)           6.5        2.7        2.5

        In February 1992, the Board of Directors of Yankee Atomic Electric
    Company (Yankee Atomic) agreed to permanently discontinue power operation
    and decommission the Yankee Nuclear Power Station (the plant).  At
    September 30, 1994, Cambridge Electric Light Company's (Cambridge
    Electric) and Commonwealth Electric's respective 2% and 2.5% investment in
    Yankee Atomic is approximately $1.1 million.  The companies' estimated
    decommissioning costs include its unrecovered share of all costs associ-
    ated with the shutdown of the plant, recovery of its plant investment, and
    decommissioning and closing the plant.  The amount currently reflected in

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              COMMONWEALTH ENERGY SYSTEM AND SUBSIDIARY COMPANIES

    the accompanying Balance Sheets as a liability and a corresponding
    regulatory asset is $13.2 million.  The market value of the companies'
    share of assets in the plant's decommissioning fund at September 30, 1994
    is approximately $4.7 million.

        On October 26, 1994, Yankee Atomic filed with the Nuclear Regulatory
    Commission a revised estimate to decommission the plant of $370 million
    (in 1994 dollars).  The total cost to permanently shut down the plant is
    approximately $438.6 million.  The companies' share of this liability is
    approximately $19.7 million.  The companies are reviewing Yankee Atomic's
    filing and adjustments to the liability and regulatory asset accounts will
    be made as appropriate during the fourth quarter of 1994.

        (c) Environmental

        The system is subject to laws and regulations administered by federal,
    state and local authorities relating to the quality of the environment. 
    These laws and regulations affect, among other things, the siting and
    operation of electric generating and transmission facilities and can
    require the installation of expensive air and water pollution control
    equipment.  These regulations have had an impact upon the system's
    operations in the past and will continue to have an impact upon future
    operations, capital costs and construction schedules of major facilities. 
    For additional information, see "Environmental Matters" in Management's
    Discussion and Analysis of Financial Condition and Results of Operations.

        (d) FERC Order No. 636

        As a result of implementing FERC Order No. 636 (Order 636), each
    interstate pipeline company is allowed to collect certain transition costs
    from their customers that resulted from the pipelines' need to buy out gas
    supply contracts entered into prior to the issuance of Order 636. 
    Commonwealth Gas has been billed a total of approximately $24.5 million
    from Tennessee Gas Pipeline Company (Tennessee), Algonquin Gas
    Transmission Company and Texas Eastern Transmission Company (Texas
    Eastern) through September 30, 1994.

        As of October 29, 1993, Commonwealth Gas received preliminary DPU
    authorization to recover these costs, with carrying charges, through the
    cost of gas adjustment (CGA) over a four-year period that began in
    November 1993.  As a result, a regulatory asset totaling $20 million is
    reflected in deferred charges as of September 30, 1994.  In addition, a
    related liability of $6.7 million is reflected in deferred credits.

        After extensive negotiations between Texas Eastern, Tennessee and
    their customers (including Commonwealth Gas), settlements were reached
    regarding a number of transition obligation issues.  The settlement with
    Texas Eastern, which was recently approved by FERC, calls for the pipeline
    to absorb approximately 20% of all transition costs incurred from June
    1993 forward.  This agreement also provides for an extended billing period
    and annual caps on the collection of future costs.  Commonwealth Gas
    believes that the absorption requirement will give the pipeline incentive
    to minimize future costs.

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              COMMONWEALTH ENERGY SYSTEM AND SUBSIDIARY COMPANIES

        The settlement with Tennessee, which has yet to be approved by FERC,
    will lower one element of Commonwealth Gas' transition obligation by
    approximately $1 million.  Further negotiations are underway with
    Tennessee to craft a total settlement similar to that achieved with Texas
    Eastern.

        Commonwealth Gas is continuing to negotiate with the pipelines on
    several other issues.  As a result Commonwealth Gas is unable to predict
    its final transition obligation at this time, however, based on these and
    subsequent settlement activities, Commonwealth Gas will adjust its
    regulatory asset and liability accounts accordingly.

        (e) Rate Stabilization Plan

        Commonwealth Electric implemented a Fuel Charge (FC) rate settlement
    on April 1, 1994 that will stabilize its quarterly FC rate during the
    years 1994 through 1996 at 6.5 cents per KWH and no greater than 6.7 cents
    per KWH during 1997.  The settlement results in billing at a significantly
    lower rate than would have otherwise been in effect and could save custom-
    ers between 1.75% and 5% on their annual electric bills from 1994 through
    1997.  This rate stabilization results from the use of a cost deferral
    mechanism that was sponsored jointly by Commonwealth Electric and the
    Massachusetts Attorney General and approved by the DPU. The deferred costs
    are being reflected as a regulatory asset to be recovered, with carrying
    charges, over the subsequent six-year period beginning in 1998 pursuant to
    a recovery schedule subject to DPU review.  The deferred amount, excluding
    carrying charges, is restricted to a maximum of $40 million during the
    settlement period (1994 through 1997) and is further limited to an annual
    cost deferral of $16 million which is the amount Commonwealth Electric
    anticipates will be deferred in 1994.  As of September 30, 1994,
    Commonwealth Electric has deferred $11.5 million, including carrying
    charges.

        The rate stabilization mechanism is part of a long-term plan to
    control Commonwealth Electric's retail rates.  This plan will help to
    eliminate the disincentive for economic development resulting from a
    volatile and unpredictable FC rate.  The stabilized FC rate will enable
    current and prospective customers to better plan their business and
    personal finances in a more efficient and effective manner.  In addition
    to the Massachusetts Attorney General, this proposal has been widely
    supported by various business and customer groups and other political
    interests.

<PAGE 10>

              COMMONWEALTH ENERGY SYSTEM AND SUBSIDIARY COMPANIES

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

         Financial Condition

         Capital resources of the System and its subsidiaries are derived
    principally from retained earnings and equity funds provided through the
    System's Dividend Reinvestment and Common Share Purchase Plan (DRP). 
    Supplemental interim funds are borrowed on a short-term basis and, when
    necessary, replaced with new equity and/or debt issues through permanent
    financing secured on an individual company basis.  The system purchases
    100% of all subsidiary common stock issues and provides, to the extent
    possible, a portion of the subsidiaries' short-term financing needs. 
    These capital resources provide the funds required for the subsidiary
    companies' construction programs, current operations, debt service and
    other capital requirements.

         For the first nine months of 1994, cash flows from operating
    activities amounted to approximately $107.4 million and reflect net
    income of $37.9 million and non-cash items such as depreciation ($33.4
    million), amortization ($9.7 million) and deferred income taxes (net of
    investment tax credits) which amounted to $6.5 million.  The change in
    working capital since December 31, 1993, exclusive of the changes in cash
    ($2.3 million) and interim financing ($58.1 million), amounted to $51.7
    million and had a significant positive effect on cash flows from
    operating activities.  The working capital change reflects lower levels
    of unbilled revenues ($24.8 million) and accounts receivable ($22.7
    million) coupled with higher levels of accrued taxes ($11.6 million) and
    other miscellaneous current liabilities ($1.3 million).  These were
    offset, in part, by a higher level of prepaid property taxes ($5.8
    million) and a lower level of accounts payable ($3.8 million).  The
    change in all other operating items of $31.5 million includes an $11.5
    million regulatory asset established pursuant to Commonwealth Electric's
    rate stabilization plan and a $6.4 million increase in the regulatory
    asset pertaining to postretirement benefits for both electric and gas
    operating subsidiaries.

         Construction expenditures for the first nine months of 1994 were
    approximately $31.8 million, including nuclear fuel and an allowance for
    funds used during construction (AFUDC).  Construction expenditures for
    the period, together with the preferred and common dividend requirements
    of the System ($24.3 million), were funded entirely with internally
    generated funds.  In addition, short-term borrowings were reduced by
    $58.1 million to $13.9 million for the most part with internal funds
    generated from higher retail unit sales for both the electric and gas
    divisions during the first nine months of this year and continued cost
    containment efforts.

         Results of Operations

         The following is a discussion of certain significant factors which
    have affected operating revenues, expenses and net income during the
    periods included in the accompanying condensed statements of income.

<PAGE 11>


              COMMONWEALTH ENERGY SYSTEM AND SUBSIDIARY COMPANIES

    This discussion should be read in conjunction with the Notes to Condensed
    Financial Statements appearing elsewhere in this report.

         A summary of the period to period changes in the principal items
    included in the condensed statements of income for the three and nine
    months ended September 30, 1994 and 1993 is shown below:

                                        Three Months         Nine Months 
                                     Ended September 30,  Ended September 30,
                                       1994 and 1993        1994 and 1993    
                                               Increase (Decrease)
                                              (Dollars in Thousands)

Operating Revenues
  Electric                           $  5 911     3.5%    $ 27 513     5.9%
  Gas                                  (1 178)   (2.5)      22 459    10.1
  Steam and other                         682    35.1        1 732    17.2
                                        5 415     2.5       51 704     7.4
Operating Expenses
  Fuel and purchased power              1 032     1.1       18 407     7.1
  Cost of gas sold                     (1 263)   (4.1)      17 072    14.2
  Other operation and maintenance       3 768     6.5         (106)   (0.1)
  Depreciation                            288     3.1        1 259     4.0
  Taxes -
    Local property and other              588    12.0          244     1.3
    Federal and state income             (596)  (14.5)       3 648    18.8
                                        3 817     1.9       40 524     6.3
Operating Income                        1 598    10.0       11 180    19.0
Other Income                           (1 289) (243.2)      (5 061)  (99.0)
Income Before Interest Charges            309     1.9        6 119     9.6
Interest Charges                         (211)   (1.9)         125     0.4
Net Income                                520     9.1        5 994    18.8
  Dividends on preferred shares           (15)   (4.9)         (45)   (4.8)
Earnings Applicable to Common Shares $    535     9.9     $  6 039    19.5

  The following are the period to period changes in electric and gas unit
sales for the three and nine months ended September 30, 1994 and 1993.


Unit Sales

  Electric - Megawatthours (MWH)
    Retail                             36 492     3.0        86 549    2.5
    Wholesale                        (151 111)  (14.9)      245 032    8.6
                                     (114 619)   (5.1)      331 581    5.3

  Gas - Billions of British
          Thermal Units (BBTU)
    Firm                                   80     2.6         1 164    4.3
    Interruptible                       3 040   335.2         4 756  334.5
                                        3 120    77.4         5 920   20.9

<PAGE 12>

              COMMONWEALTH ENERGY SYSTEM AND SUBSIDIARY COMPANIES

                                Three Months Ended      Nine Months Ended 
                                   September 30,          September 30,  
                                 1994         1993      1994         1993
Electric Sales - MWH
  Residential                    468 998     450 210  1 360 515    1 321 794
  Commercial                     589 229     575 414  1 565 199    1 522 381
  Industrial                     113 108     109 126    314 505      304 439
  Other                           90 917      91 010    284 971      290 027
    Total retail sales         1 262 252   1 225 760  3 525 190    3 438 641
  Wholesale to other systems     865 562   1 016 673  3 085 321    2 840 289
    Total                      2 127 814   2 242 433  6 610 511    6 278 930

Gas Sales - BBTU
  Residential                      1 413       1 449     15 774       15 370
  Commercial                         953         975      7 874        7 582
  Industrial                         720         618      3 114        2 815
  Other                              119          83      1 354        1 185
    Total firm sales               3 205       3 125     28 116       26 952
  Interruptible sales              3 947         907      6 178        1 422
    Total                          7 152       4 032     34 294       28 374

         Electric Revenues, Fuel and Purchased Power and Electric Unit Sales

         For the first nine months of 1994 electric operating revenues
    increased $27.5 million or 5.9% due primarily to higher fuel and purchased
    power costs, higher base rates for Cambridge Electric which became
    effective June 1, 1993 and higher retail unit sales (discussed below). 
    This increase was slightly offset by a $900,000 reduction in conservation
    and load management costs (C&LM) for electric operations which are being
    recovered through revenues.  The recovery of lost base revenues related to
    the C&LM programs increased by $313,000 and $720,000 for the current
    quarter and nine-month period, respectively, when compared to the same
    reporting periods during 1993.  The recovery of lost base revenues is
    allowed by the DPU to encourage effective implementation of C&LM programs. 
    To the extent that current costs associated with C&LM programs increase or
    decrease from period to period based on customer participation, a
    corresponding change will occur in revenues.

         For the current nine-month period, fuel and purchased power costs
    increased $18.4 million or 7.1% and averaged 4.2 cents per KWH compared to
    4.1 cents per KWH for the same period in 1993 and reflects purchases from
    higher-cost non-utility generators and, to a lesser extent, higher fuel
    oil costs at Canal Electric's generating station.  The increases were
    moderated by the deferral of $11.1 million of costs related to
    Commonwealth Electric's rate stabilization mechanism which was implemented
    on April 1, 1994.

         The increase of 2.5% in retail unit sales for the current nine-month
    period reflects higher unit sales to the residential (2.9%), commercial
    (2.8%) and industrial (3.3%) sectors that resulted from the extreme cold
    weather conditions experienced in the system's service territory during
    the first quarter.  Retail unit sales for the quarter were 3% higher and
    reflect a record peak demand of 962 MW achieved on July 21, 1994.  The

<PAGE 13>

              COMMONWEALTH ENERGY SYSTEM AND SUBSIDIARY COMPANIES

    fluctuation in wholesale unit sales during the current quarter and nine-
    month period reflects the changing capacity needs of the New England Power
    Pool and non-affiliated utilities.  Changes in the level of wholesale
    electric sales have little, if any, impact on net income.

         Gas Revenues, Cost of Gas Sold and Gas Unit Sales

         For the current nine-month period, gas operating revenues increased
    approximately $22.5 million or 10.1% due primarily to an increase in the
    cost of gas sold ($14.2 million), higher C&LM costs ($2.5 million) and
    higher firm and interruptible sales.  Despite the increase in the cost of
    gas sold, the average cost of gas per MMBTU during the current quarter and
    nine-month period decreased from $7.57 to $4.09 and from $4.23 to $4.00,
    respectively.  The decrease from both periods of last year was mainly due
    to the inclusion of transition charges related to Order 636 in the cost of
    gas sold last year.  These charges totaled $6.8 million and $9.6 million
    in the prior third quarter and nine-month period, respectively. In the
    fourth quarter of 1993, these charges were reclassified as a regulatory
    asset pursuant to the aforementioned DPU order issued on October 29, 1993. 
    Commonwealth Gas will recover these costs, with carrying charges, over a
    four-year period which began in November 1993.

         For the current nine-month period firm gas unit sales increased 4.3%
    as each customer segment showed improvement due primarily to the extreme
    cold weather experienced during the first quarter of 1994.  Although
    interruptible sales increased significantly during both the current nine
    months and third quarter of 1994, fluctuations in the level of these sales
    have little, if any, impact on net income.

         Steam and Other Operating Revenue

         Steam and other operating revenue increased 35.1% and 17.2% during
    the current quarter and nine-month period, respectively, due primarily to
    higher steam sales to Harvard University, Massachusetts General Hospital
    and a biotechnology company which became a steam customer in August 1993.

         Other Operating Expenses

         For the first nine months of 1994, other operation and maintenance
    costs were virtually unchanged compared to the same period in 1993
    reflecting savings resulting from the second quarter 1993 work force
    reduction ($2.7 million), the absence of severance pay incurred in 1993
    ($3.7 million), lower maintenance activity ($1.3 million) and a decline in
    the provision for bad debts due to improved collection experience ($1.1
    million).  These factors were offset, somewhat, by higher levels of
    current and amortized C&LM charges ($1.6 million) and insurance and
    employee benefit costs ($1.6 million).

         The 6.5% or $3.8 million increase in other operation and maintenance
    for the three months ended September 30, 1994 was due to increases in
    insurance and employee benefit costs ($1.8 million), increased maintenance
    expense on Canal Electric's Unit 1 ($951,000), a higher level of current

<PAGE 14>

              COMMONWEALTH ENERGY SYSTEM AND SUBSIDIARY COMPANIES

    C&LM costs incurred at Commonwealth Gas ($464,000) and slightly higher
    payroll costs ($318,000).

         Depreciation and Taxes

         Depreciation expense increased 3.1% and 4% during the current quarter
    and current nine-month period, respectively, due to higher levels of plant
    in service.  The change in local property and other taxes for the three
    and nine-months periods reflects higher property tax rates and assessments
    ($604,000 and $722,000) offset by a reduction in payroll taxes ($16,000
    and $478,000).  The increase in property taxes was also due to an
    adjustment to the 1993 property tax accrual (approximately $300,000)
    associated with revisions made to the nuclear station property tax
    assessed by the state of New Hampshire to the joint-owners of Seabrook
    during the third quarter of 1993.  The increase in federal and state
    income taxes for the current nine-month period reflects the higher level
    of pretax income.  For the current quarter, however, federal and state
    income taxes declined 14.5% due to the absence of a retroactive adjustment
    made in the third quarter of 1993 to reflect the increase in the federal
    tax rate to 35% and, to a lesser extent, the level of pretax income.

         Other Income and Interest Charges

         The substantial decrease in other income in the nine-month period was
    primarily due to the absence of a 1993 second quarter reversal of a
    reserve ($3.8 million pretax) related to Canal Electric's Seabrook
    investment.  The decision to eliminate this reserve was prompted by the
    inclusion in base rates of Seabrook costs at the state level for Cambridge
    Electric.  Another factor contributing to the decrease in the three and
    nine-month periods was a reserve related to a settlement negotiated with
    an outside party for certain costs associated with Commonwealth Electric's
    energy conservation program.  The decline for the nine-month period was
    offset, somewhat, by a $595,000 increase in other interest and dividends
    due, in part, to higher equity earnings from Cambridge Electric's
    investments in nuclear generating companies and a Massachusetts sales tax
    abatement received by the system during the first quarter.

         For the current nine-month period, long-term interest charges
    increased $1.8 million due to a higher level of long-term debt reflecting
    the new debt issued by Commonwealth Electric, Commonwealth Gas and
    Hopkinton LNG Corp. at various times in 1993.  Interest on short-term
    borrowings declined by $1.8 million due to the significantly lower average
    level of borrowings resulting from the 1993 financing activity.

    Environmental Matters

         Commonwealth Gas is participating in the assessment of a number of
    former manufactured gas plant (MGP) sites and alleged MGP waste disposal
    locations to determine if and to what extent such sites have been
    contaminated and whether Commonwealth Gas may be responsible for remedial
    actions.

<PAGE 15>

              COMMONWEALTH ENERGY SYSTEM AND SUBSIDIARY COMPANIES

         The costs associated with the assessment and clean-up of these sites
    are recoverable in rates through the cost of gas adjustment clause
    pursuant to a 1990 DPU order over a seven-year amortization period without
    carrying costs.  Commonwealth Gas has recorded an estimated $2.3 million
    liability that reflects its best estimate (based on current information)
    of the costs to be incurred in connection with the assessment and
    remediation activities identified to this point.  Commonwealth Gas has
    also recorded a regulatory asset in anticipation of recovery of these
    costs.  Commonwealth Gas is unable to predict the total cost to ultimately
    resolve these matters, due to significant uncertainty as to the actual
    site conditions and the extent of any associated remediation activities
    and the assignment of responsibility.  However, it is expected that all
    such costs will continue to be recovered in rates as described above.

         Commonwealth Gas and certain other system subsidiaries are also
    involved in other known or potentially contaminated sites where the
    associated costs may not be recoverable in rates and have recorded an
    estimated liability (and a charge to operations) of $560,000 to cover the
    expected costs associated with assessment and remediation activities. 
    These estimates are reviewed and adjusted periodically as further
    investigation and assignment of responsibility occurs.  As noted above,
    the system is unable to predict at this time the ultimate cost to resolve
    these matters due to the uncertainties inherent in the site investigation
    and remediation process.

    Power Contracts

         Cambridge Electric and Commonwealth Electric have long-term contracts
    for the purchase of electricity from various sources.  Generally, these
    contracts are for fixed periods and require that Cambridge Electric and
    Commonwealth Electric pay a demand charge for their capacity entitlement
    in each unit and an energy charge to cover the cost of fuel.  Cambridge
    Electric and Commonwealth Electric collect a portion of their capacity-
    related purchased power costs associated with certain long-term power
    arrangements through their base rates.  The recovery mechanism for these
    costs uses a per KWH factor which is calculated using historical (test-
    period) capacity costs and unit sales.  This factor is then applied to
    current monthly KWH sales.  When current period capacity costs and/or unit
    sales vary from test-period levels, Cambridge and Commonwealth Electric
    experience a revenue excess or shortfall.  All other capacity and energy-
    related purchased power costs are recovered through their respective Fuel
    Charge.

    Power Contract Negotiations

         On May 2, 1994, Commonwealth Electric and Cambridge Electric gave
    notice of termination of power purchase agreements with Eastern Energy
    Corp. (Eastern), the developer of a proposed 300 MW coal-fired plant in
    New Bedford, Massachusetts.  In June 1989, in order to meet rising energy
    requirements, Commonwealth Electric and Cambridge Electric agreed to buy
    27% (50 MW and 33 MW, respectively) of the power to be produced by the
    proposed plant, originally scheduled to begin operation in January 1992. 
    That date and later revised scheduled operating dates have not been

<PAGE 16>

              COMMONWEALTH ENERGY SYSTEM AND SUBSIDIARY COMPANIES

    achieved, and the proposed plant has still not received the necessary
    permits.  Efforts to reshape the Eastern power purchase agreements to
    provide a satisfactory arrangement were unsuccessful.  The companies'
    actions are based on Eastern's failure to meet its contractual
    obligations.  In a letter dated June 30, 1994, Eastern objected to the
    notice of termination and provided to Commonwealth Electric and Cambridge
    Electric written notice of arbitration and its designation of an
    arbitrator pursuant to the 1989 agreements.  The companies responded by
    designating their arbitrator, and the parties are now in the process of
    selecting a third, neutral arbitrator through the Boston, Massachusetts
    office of the American Arbitration Association.  An arbitrator decision on
    the legality of the companies' termination action is expected in 1995.

         Commonwealth Electric has filed for regulatory approval of
    restructured power sale agreements with two other non-utility generators
    that will allow Commonwealth Electric to eliminate or reduce purchased
    power from the units.  Also, Commonwealth Electric has reached an
    agreement in principle on an innovative power contract with another New
    England utility that is expected to produce long-term customer savings
    beginning in 1995.  This agreement will allow Commonwealth Electric to
    purchase peaking unit capacity during the periods when it might otherwise
    have incurred deficiency charges from the New England Power Pool, or have
    been required to purchase capacity from other regional utilities at much
    higher prices.  This contract provides for cost-effective resources to
    cover power needs in a changing environment.

<PAGE 17>

              COMMONWEALTH ENERGY SYSTEM AND SUBSIDIARY COMPANIES
                          PART II - OTHER INFORMATION

Item 1.  Legal Proceedings

         The system is not a party to any pending material legal proceeding.

Item 2.  Changes in the Rights of the Company's Security Holders

         None

Item 3.  Defaults by the Company on its Senior Securities

         None

Item 4.  Results of Votes of Security Holders

         None

Item 5.  Other Information

         Peter H. Cressy has been elected to the System's Board of Trustees
         effective September 22, 1994.  Dr. Cressy is currently the Chancellor
         of the University of Massachusetts, Dartmouth.  He was formerly
         President of the Massachusetts Maritime Academy and a Rear Admiral in
         the United States Navy.  Dr. Cressy is a 1963 graduate of Yale
         University, holds master's degrees from George Washington University
         and the Naval War College, an MBA from the University of Rhode
         Island, and a doctorate from the University of San Francisco.  He
         fills the vacant position created by the retirement of Robert E.
         Siegfried, earlier this year.

Item 6.  Exhibits and Reports on Form 8-K

         (a) Exhibits

         Filed herewith:

         Exhibit 10 Material Contracts.

         10.3       Other Agreements.

         10.3.3.10  Twenty-Eighth Agreement Amending New England Power Pool
                    Agreement dated September 1, 1971, as amended September
                    15, 1992 (Filed herewith as Exhibit 1).

         10.3.3.11  Twenty-Ninth Agreement Amending New England Power Pool
                    Agreement dated September 1, 1971, as amended May 1, 1993
                    (Filed herewith as Exhibit 2).

         Exhibit 27 Financial Data Schedule for the nine months ended
                    September 30, 1994 (Filed herewith as Exhibit 3).

         (b) Reports on Form 8-K

             No reports on Form 8-K were filed during the three months ended
             September 30, 1994.

<PAGE 18>

                          COMMONWEALTH ENERGY SYSTEM

                                  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.



                                              COMMONWEALTH ENERGY SYSTEM
                                                      (Registrant)


                                              Principal Financial Officer:




                                              JAMES D. RAPPOLI             
                                              James D. Rappoli,
                                              Financial Vice President
                                                and Treasurer



                                              Principal Accounting Officer:




                                              JOHN A. WHALEN               
                                              John A. Whalen,
                                              Comptroller


Date:  November 14, 1994