<ARTICLE> 5 <LEGEND> THIS LEGEND CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM ENERGY RESEARCH CORPORATION'S FORM 10K FOR THE PERIOD ENDED OCTOBER 31, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> OCT-31-1997 <PERIOD-END> OCT-31-1997 <CASH> 6,802 <SECURITIES> 0 <RECEIVABLES> 2,828 <ALLOWANCES> 0 <INVENTORY> 47 <CURRENT-ASSETS> 10,161 <PP&E> 19,511 <DEPRECIATION> 11,257 <TOTAL-ASSETS> 21,433 <CURRENT-LIABILITIES> 3,795 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 14,169 <OTHER-SE> 600 <TOTAL-LIABILITY-AND-EQUITY> 21,433 <SALES> 24,830 <TOTAL-REVENUES> 24,830 <CGS> 15,642 <TOTAL-COSTS> 24,761 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 354 <INCOME-PRETAX> 672 <INCOME-TAX> 247 <INCOME-CONTINUING> 425 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 425 <EPS-PRIMARY> .10 <EPS-DILUTED> .10