<TABLE> <S> <C>
<ARTICLE> UT
<LEGEND>
This Schedule contains summary financial information extracted from the
Statement of Income, Balance Sheet and Statement of Cash Flows, and is qualified
in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-1-2000
<PERIOD-END> JUN-30-2000
<BOOK-VALUE> PER-BOOK
<TOTAL-NET-UTILITY-PLANT> 4,338,599
<OTHER-PROPERTY-AND-INVEST> 428,828
<TOTAL-CURRENT-ASSETS> 1,319,428
<TOTAL-DEFERRED-CHARGES> 1,033,297
<OTHER-ASSETS> 0
<TOTAL-ASSETS> 7,120,152
<COMMON> 1,338
<CAPITAL-SURPLUS-PAID-IN> 2,262,518
<RETAINED-EARNINGS> 526,366
<TOTAL-COMMON-STOCKHOLDERS-EQ> 2,790,222
0
84,339
<LONG-TERM-DEBT-NET> 2,112,377
<SHORT-TERM-NOTES> 0
<LONG-TERM-NOTES-PAYABLE> 0
<COMMERCIAL-PAPER-OBLIGATIONS> 262,481
<LONG-TERM-DEBT-CURRENT-PORT> 0
0
<CAPITAL-LEASE-OBLIGATIONS> 0
<LEASES-CURRENT> 0
<OTHER-ITEMS-CAPITAL-AND-LIAB> 1,870,733
<TOT-CAPITALIZATION-AND-LIAB> 7,120,152
<GROSS-OPERATING-REVENUE> 947,588
<INCOME-TAX-EXPENSE> 45,925
<OTHER-OPERATING-EXPENSES> 814,064
<TOTAL-OPERATING-EXPENSES> 859,989
<OPERATING-INCOME-LOSS> 87,599
<OTHER-INCOME-NET> 8,023
<INCOME-BEFORE-INTEREST-EXPEN> 95,622
<TOTAL-INTEREST-EXPENSE> 42,256
<NET-INCOME> 53,366
6,286
<EARNINGS-AVAILABLE-FOR-COMM> 47,080
<COMMON-STOCK-DIVIDENDS> 59,584
<TOTAL-INTEREST-ON-BONDS> 35,747
<CASH-FLOW-OPERATIONS> 176,582
<EPS-BASIC> .35
<EPS-DILUTED> .35
</TABLE>