WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> OPUR1
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY INFORMATION EXTRACTED FROM THE CONSOLIDATED
BALANCE SHEET AS OF DECEMBER 31, 1999 AND THE CONSOLIDATED STATEMENTS OF INCOME
AND RETAINED EARNINGS AND OF CASH FLOWS FOR THE YEAR ENDED DECEMBER 31, 1999 AND
IS QUALIFIED IN ITS ENTIRETY TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000,000

<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               DEC-31-1999
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                        3,851
<OTHER-PROPERTY-AND-INVEST>                        999
<TOTAL-CURRENT-ASSETS>                             612
<TOTAL-DEFERRED-CHARGES>                           549
<OTHER-ASSETS>                                       0
<TOTAL-ASSETS>                                   6,011
<COMMON>                                         1,051
<CAPITAL-SURPLUS-PAID-IN>                          328
<RETAINED-EARNINGS>                                720
<TOTAL-COMMON-STOCKHOLDERS-EQ>                   2,099
<PREFERRED-MANDATORY>                               61
<PREFERRED>                                        106
<LONG-TERM-DEBT-NET>                             1,563
<SHORT-TERM-NOTES>                                 266
<LONG-TERM-NOTES-PAYABLE>                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                       0
<LONG-TERM-DEBT-CURRENT-PORT>                      303
<PREFERRED-STOCK-CURRENT>                            1
<CAPITAL-LEASE-OBLIGATIONS>                          0
<LEASES-CURRENT>                                     0
<OTHER-ITEMS-CAPITAL-AND-LIAB>                   1,612
<TOT-CAPITALIZATION-AND-LIAB>                    6,011
<GROSS-OPERATING-REVENUE>                        1,650
<INCOME-TAX-EXPENSE>                               110
<OTHER-OPERATING-EXPENSES>                       1,230
<TOTAL-OPERATING-EXPENSES>                       1,340
<OPERATING-INCOME-LOSS>                            310
<OTHER-INCOME-NET>                                  22
<INCOME-BEFORE-INTEREST-EXPEN>                     332
<TOTAL-INTEREST-EXPENSE>                           142
<NET-INCOME>                                       186
<PREFERRED-STOCK-DIVIDENDS>                          7
<EARNINGS-AVAILABLE-FOR-COMM>                      179
<COMMON-STOCK-DIVIDENDS>                           137
<TOTAL-INTEREST-ON-BONDS>                            0
<CASH-FLOW-OPERATIONS>                             223
<EPS-BASIC>                                       1.73
<EPS-DILUTED>                                     1.73


</TABLE>
