<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEET AND CONSOLIDATED STATEMENT OF OPERATIONS OF THE
MIDLAND COGENERATION VENTURE FOR THE QUARTER ENDED SEPTEMBER 30, 1999 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               SEP-30-1999
<CASH>                                         173,726
<SECURITIES>                                   139,837
<RECEIVABLES>                                  110,442
<ALLOWANCES>                                         0
<INVENTORY>                                     17,078
<CURRENT-ASSETS>                               329,567
<PP&E>                                       2,427,943
<DEPRECIATION>                                 692,177
<TOTAL-ASSETS>                               2,236,431
<CURRENT-LIABILITIES>                          227,019
<BONDS>                                      1,584,865
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                     423,084
<TOTAL-LIABILITY-AND-EQUITY>                 2,236,431
<SALES>                                              0
<TOTAL-REVENUES>                               465,490
<CGS>                                                0
<TOTAL-COSTS>                                  297,425
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             116,958
<INCOME-PRETAX>                                      0
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    65,536
<EPS-BASIC>                                          0
<EPS-DILUTED>                                        0