<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM ENERGY RESEARCH CORPORATION'S FORM 10-Q FOR THE QUARTERLY PERIOD ENDED JULY 31, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> OCT-31-1997 <PERIOD-END> JUL-31-1997 <CASH> 6,980 <SECURITIES> 0 <RECEIVABLES> 2,233 <ALLOWANCES> 0 <INVENTORY> 117 <CURRENT-ASSETS> 10,024 <PP&E> 19,465 <DEPRECIATION> 11,218 <TOTAL-ASSETS> 21,368 <CURRENT-LIABILITIES> 3,652 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 13,931 <OTHER-SE> 600 <TOTAL-LIABILITY-AND-EQUITY> 21,368 <SALES> 18,203 <TOTAL-REVENUES> 18,203 <CGS> 11,521 <TOTAL-COSTS> 18,045 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> (271) <INCOME-PRETAX> 562 <INCOME-TAX> 216 <INCOME-CONTINUING> 346 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 346 <EPS-PRIMARY> .08 <EPS-DILUTED> .09