<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM EDISON
MISSION ENERGY AND SUBSIDIARIES FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> APR-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 45,081
<SECURITIES> 0
<RECEIVABLES> 49,620
<ALLOWANCES> 0
<INVENTORY> 53,377
<CURRENT-ASSETS> 149,242
<PP&E> 1,978,498
<DEPRECIATION> 60,208
<TOTAL-ASSETS> 2,079,569
<CURRENT-LIABILITIES> 66,762
<BONDS> 830,000
0
0
<COMMON> 0
<OTHER-SE> 987,184
<TOTAL-LIABILITY-AND-EQUITY> 2,079,569
<SALES> 0
<TOTAL-REVENUES> 200,976
<CGS> 0
<TOTAL-COSTS> 146,113
<OTHER-EXPENSES> (931)
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 37,855
<INCOME-PRETAX> 17,939
<INCOME-TAX> 9,074
<INCOME-CONTINUING> 8,865
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 8,865
<EPS-BASIC> 0
<EPS-DILUTED> 0
</TABLE>