WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> OPUR1
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
THE CONSOLIDATED BALANCE SHEETS, CONSOLIDATED STATEMENTS OF INCOME AND
CONSOLIDATED STATEMENTS OF CASH FLOWS AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> 12-MOS 12-MOS
<FISCAL-YEAR-END> DEC-31-2000 DEC-31-2000
<PERIOD-START> JUL-01-1999 JUL-01-1999
<PERIOD-END> JUN-30-2000 JUN-30-2000
<BOOK-VALUE> PER-BOOK PRO-FORMA
<TOTAL-NET-UTILITY-PLANT> 6,480,222 6,480,222
<OTHER-PROPERTY-AND-INVEST> 473,292 473,292
<TOTAL-CURRENT-ASSETS> 1,972,992 3,244,867
<TOTAL-DEFERRED-CHARGES> 1,005,820 1,005,820
<OTHER-ASSETS> 738,837 738,837
<TOTAL-ASSETS> 10,671,163 11,943,038
<COMMON> 1,589 2,089
<CAPITAL-SURPLUS-PAID-IN> 1,612,572 2,883,947
<RETAINED-EARNINGS> 1,130,387 1,130,387
<TOTAL-COMMON-STOCKHOLDERS-EQ> 2,744,548 4,016,423
0 0
81,354 81,354
<LONG-TERM-DEBT-NET> 3,058,406 3,058,406
<SHORT-TERM-NOTES> 746,778 746,778
<LONG-TERM-NOTES-PAYABLE> 0 0
<COMMERCIAL-PAPER-OBLIGATIONS> 0 0
<LONG-TERM-DEBT-CURRENT-PORT> 32,475 32,475
0 0
<CAPITAL-LEASE-OBLIGATIONS> 0 0
<LEASES-CURRENT> 0 0
<OTHER-ITEMS-CAPITAL-AND-LIAB> 4,007,602 4,007,602
<TOT-CAPITALIZATION-AND-LIAB> 10,671,163 10,671,163
<GROSS-OPERATING-REVENUE> 6,612,801 6,612,801
<INCOME-TAX-EXPENSE> 229,312 229,312
<OTHER-OPERATING-EXPENSES> 5,849,065 5,849,065
<TOTAL-OPERATING-EXPENSES> 6,078,377 6,078,377
<OPERATING-INCOME-LOSS> 534,424 534,424
<OTHER-INCOME-NET> 119,603 119,603
<INCOME-BEFORE-INTEREST-EXPEN> 654,027 654,027
<TOTAL-INTEREST-EXPENSE> 217,769 217,769
<NET-INCOME> 436,258 436,258
5,366 5,366
<EARNINGS-AVAILABLE-FOR-COMM> 430,892 430,892
<COMMON-STOCK-DIVIDENDS> 285,202 285,202
<TOTAL-INTEREST-ON-BONDS> 208,158 208,158
<CASH-FLOW-OPERATIONS> 0 0
<EPS-BASIC> 2.71 2.06
<EPS-DILUTED> 2.70 2.06
</TABLE>
