<ARTICLE> 5 <CIK> 0001088873 <NAME> COSO POWER DEVELOPERS <MULTIPLIER> 1,000 <PERIOD-TYPE> YEAR 3-MOS <FISCAL-YEAR-END> DEC-31-1998 DEC-31-1999 <PERIOD-START> JAN-01-1998 JAN-01-1999 <PERIOD-END> DEC-31-1998 MAR-31-1999 <CASH> 818 20,039 <SECURITIES> 0 0 <RECEIVABLES> 22,504 23,130 <ALLOWANCES> 0 0 <INVENTORY> 0 0 <CURRENT-ASSETS> 24,016 43,463 <PP&E> 287,789 200,960 <DEPRECIATION> 98,927 51,580 <TOTAL-ASSETS> 218,965 230,653 <CURRENT-LIABILITIES> 3,981 8,304 <BONDS> 61,323 139,957 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 0 0 <COMMON> 0 0 <OTHER-SE> 0 0 <TOTAL-LIABILITY-AND-EQUITY> 218,965 230,653 <SALES> 119,564 24,637 <TOTAL-REVENUES> 121,363 24,943 <CGS> 0 0 <TOTAL-COSTS> 0 0 <OTHER-EXPENSES> 41,120 10,885 <LOSS-PROVISION> 0 0 <INTEREST-EXPENSE> 8,122 2,745 <INCOME-PRETAX> 0 0 <INCOME-TAX> 0 0 <INCOME-CONTINUING> 0 0 <DISCONTINUED> 0 0 <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> 70,457 11,313 <EPS-BASIC> 0 0 <EPS-DILUTED> 0 0