<TABLE> <S> <C>
<ARTICLE> OPUR1
<MULTIPLIER> 1000
<FISCAL-YEAR-END> DEC-31-1999 DEC-31-1999
<PERIOD-END> JUN-30-2000 JUN-30-2000
<PERIOD-TYPE> YEAR YEAR
<BOOK-VALUE> PER-BOOK PRO-FORMA
<TOTAL-NET-UTILITY-PLANT> 4,311,484 4,311,484
<OTHER-PROPERTY-AND-INVEST> 940,274 940,274
<TOTAL-CURRENT-ASSETS> 1,447,711 2,576,711
<TOTAL-DEFERRED-CHARGES> 4,062,774 4,062,774
<OTHER-ASSETS> 0 0
<TOTAL-ASSETS> 10,762,243 11,891,243
<COMMON> 743,404 743,404
<CAPITAL-SURPLUS-PAID-IN> 1,102,334 1,102,334
<RETAINED-EARNINGS> 639,973 583,170
<TOTAL-COMMON-STOCKHOLDERS-EQ> 2,365,854 2,309,051
15,000 15,000
136,200 136,200
<LONG-TERM-DEBT-NET> 2,211,019 2,211,019
<SHORT-TERM-NOTES> 1,104,000 2,433,000
<LONG-TERM-NOTES-PAYABLE> 0 0
<COMMERCIAL-PAPER-OBLIGATIONS> 0 0
<LONG-TERM-DEBT-CURRENT-PORT> 479,834 279,834
0 0
<CAPITAL-LEASE-OBLIGATIONS> 60,220 60,220
<LEASES-CURRENT> 111,496 111,496
<OTHER-ITEMS-CAPITAL-AND-LIAB> 4,158,763 4,215,566
<TOT-CAPITALIZATION-AND-LIAB> 10,762,243 11,891,243
<GROSS-OPERATING-REVENUE> 5,186,570 5,186,570
<INCOME-TAX-EXPENSE> 235,206 235,206
<OTHER-OPERATING-EXPENSES> 4,518,456 4,518,456
<TOTAL-OPERATING-EXPENSES> 4,753,662 4,753,662
<OPERATING-INCOME-LOSS> 432,908 432,908
<OTHER-INCOME-NET> (33,938) 3,930
<INCOME-BEFORE-INTEREST-EXPEN> 398,970 436,838
<TOTAL-INTEREST-EXPENSE> 277,087 371,758
<NET-INCOME> 121,883 65,080
(41,813) (41,813)
<EARNINGS-AVAILABLE-FOR-COMM> 639,973 583,170
<COMMON-STOCK-DIVIDENDS> (19,546) (19,546)
<TOTAL-INTEREST-ON-BONDS> 233,451 233,451
<CASH-FLOW-OPERATIONS> 0 0
<EPS-BASIC> 0 0
<EPS-DILUTED> 0 0
</TABLE>