<TABLE> <S> <C>
<ARTICLE> UT
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> JUN-30-2000
<BOOK-VALUE> PER-BOOK
<TOTAL-NET-UTILITY-PLANT> 4,775,562
<OTHER-PROPERTY-AND-INVEST> 230,950
<TOTAL-CURRENT-ASSETS> 624,285
<TOTAL-DEFERRED-CHARGES> 633,046
<OTHER-ASSETS> 0
<TOTAL-ASSETS> 6,263,843
<COMMON> 178,162
<CAPITAL-SURPLUS-PAID-IN> 1,246,804
<RETAINED-EARNINGS> 559,333
<TOTAL-COMMON-STOCKHOLDERS-EQ> 1,984,299
0
0
<LONG-TERM-DEBT-NET> 1,756,388
<SHORT-TERM-NOTES> 0
<LONG-TERM-NOTES-PAYABLE> 0
<COMMERCIAL-PAPER-OBLIGATIONS> 200,875
<LONG-TERM-DEBT-CURRENT-PORT> 114,886
0
<CAPITAL-LEASE-OBLIGATIONS> 0
<LEASES-CURRENT> 0
<OTHER-ITEMS-CAPITAL-AND-LIAB> 2,207,395
<TOT-CAPITALIZATION-AND-LIAB> 6,263,843
<GROSS-OPERATING-REVENUE> 1,165,375
<INCOME-TAX-EXPENSE> 95,708
<OTHER-OPERATING-EXPENSES> 871,228
<TOTAL-OPERATING-EXPENSES> 966,936
<OPERATING-INCOME-LOSS> 198,439
<OTHER-INCOME-NET> (186)
<INCOME-BEFORE-INTEREST-EXPEN> 198,253
<TOTAL-INTEREST-EXPENSE> 69,627
<NET-INCOME> 128,626
0
<EARNINGS-AVAILABLE-FOR-COMM> 128,626
<COMMON-STOCK-DIVIDENDS> 127,500
<TOTAL-INTEREST-ON-BONDS> 47,150
<CASH-FLOW-OPERATIONS> 320,041
<EPS-BASIC> 0
<EPS-DILUTED> 0
</TABLE>
