<ARTICLE> UT
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY INFORMATION EXTRACTED FROM THE CONSOLIDATED
BALANCE SHEET AS OF JUNE 30, 2000 AND THE CONSOLIDATED STATEMENTS OF INCOME
AND RETAINED EARNINGS AND OF CASH FLOWS FOR THE NINE MONTHS ENDED JUNE 30,
2000 AND IS QUALIFIED IN ITS ENTIRETY TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000,000
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-2000
<BOOK-VALUE> PER-BOOK
<TOTAL-NET-UTILITY-PLANT> 4,862
<OTHER-PROPERTY-AND-INVEST> 876
<TOTAL-CURRENT-ASSETS> 676
<TOTAL-DEFERRED-CHARGES> 597
<OTHER-ASSETS> 0
<TOTAL-ASSETS> 7,011
<COMMON> 1,051
<CAPITAL-SURPLUS-PAID-IN> 216
<RETAINED-EARNINGS> 792
<TOTAL-COMMON-STOCKHOLDERS-EQ> 2,059
<PREFERRED-MANDATORY> 61
<PREFERRED> 106
<LONG-TERM-DEBT-NET> 2,562
<SHORT-TERM-NOTES> 313
<LONG-TERM-NOTES-PAYABLE> 0
<COMMERCIAL-PAPER-OBLIGATIONS> 0
<LONG-TERM-DEBT-CURRENT-PORT> 209
<PREFERRED-STOCK-CURRENT> 1
<CAPITAL-LEASE-OBLIGATIONS> 0
<LEASES-CURRENT> 0
<OTHER-ITEMS-CAPITAL-AND-LIAB> 1,700
<TOT-CAPITALIZATION-AND-LIAB> 7,011
<GROSS-OPERATING-REVENUE> 1,484
<INCOME-TAX-EXPENSE> 72
<OTHER-OPERATING-EXPENSES> 1,212
<TOTAL-OPERATING-EXPENSES> 1,284
<OPERATING-INCOME-LOSS> 200
<OTHER-INCOME-NET> 18
<INCOME-BEFORE-INTEREST-EXPEN> 218
<TOTAL-INTEREST-EXPENSE> 109
<NET-INCOME> 138
<PREFERRED-STOCK-DIVIDENDS> 6
<EARNINGS-AVAILABLE-FOR-COMM> 132
<COMMON-STOCK-DIVIDENDS> 60
<TOTAL-INTEREST-ON-BONDS> 0
<CASH-FLOW-OPERATIONS> 218
<EPS-BASIC> 1.27
<EPS-DILUTED> 1.27