<ARTICLE>  5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
10-QSB FOR THE PERIOD ENDED SEPTMBER 30, 1997 FOR ONSITE ENERGY CORPORATION
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<PERIOD-TYPE>                                    3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                         316,326
<SECURITIES>                                         0
<RECEIVABLES>                                  980,936
<ALLOWANCES>                                  (15,030)
<INVENTORY>                                          0
<CURRENT-ASSETS>                             1,687,170
<PP&E>                                         547,726      
<DEPRECIATION>                               (508,877)       
<TOTAL-ASSETS>                               1,997,245
<CURRENT-LIABILITIES>                        1,583,575
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        10,942 
<OTHER-SE>                                           0
<TOTAL-LIABILITY-AND-EQUITY>                 1,997,245
<SALES>                                      2,237,805
<TOTAL-REVENUES>                             2,237,805
<CGS>                                        1,586,794
<TOTAL-COSTS>                                1,586,794
<OTHER-EXPENSES>                               596,047
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               8,588
<INCOME-PRETAX>                                 50,479
<INCOME-TAX>                                     6,738
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    43,741
<EPS-PRIMARY>                                        0
<EPS-DILUTED>                                        0