
<TABLE> <S> <C>

<ARTICLE> OPUR1
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY INFORMATION EXTRACTED FROM THE CONSOLIDATED SHEET
AS OF SEPTEMBER 30, 1999 AND THE CONSOLIDATED STATEMENTS OF INCOME AND RETAINED
EARNINGS AND OF CASH FLOWS FOR THE NINE MONTHS ENDED SEPTEMBER 30, 1999 AND IS
QUALIFIED IN ITS ENTIRETY TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000,000

<S>                             <C>
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               SEP-30-1999
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                        3,828
<OTHER-PROPERTY-AND-INVEST>                        796
<TOTAL-CURRENT-ASSETS>                             516
<TOTAL-DEFERRED-CHARGES>                           545
<OTHER-ASSETS>                                       0
<TOTAL-ASSETS>                                   5,685
<COMMON>                                         1,051
<CAPITAL-SURPLUS-PAID-IN>                          173
<RETAINED-EARNINGS>                                698
<TOTAL-COMMON-STOCKHOLDERS-EQ>                   1,922
<PREFERRED-MANDATORY>                               61
<PREFERRED>                                        106
<LONG-TERM-DEBT-NET>                             1,610
<SHORT-TERM-NOTES>                                 162
<LONG-TERM-NOTES-PAYABLE>                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                       0
<LONG-TERM-DEBT-CURRENT-PORT>                      327
<PREFERRED-STOCK-CURRENT>                            1
<CAPITAL-LEASE-OBLIGATIONS>                          0
<LEASES-CURRENT>                                     0
<OTHER-ITEMS-CAPITAL-AND-LIAB>                   1,496
<TOT-CAPITALIZATION-AND-LIAB>                    5,685
<GROSS-OPERATING-REVENUE>                        1,253
<INCOME-TAX-EXPENSE>                                96
<OTHER-OPERATING-EXPENSES>                         905
<TOTAL-OPERATING-EXPENSES>                       1,001
<OPERATING-INCOME-LOSS>                            252
<OTHER-INCOME-NET>                                (11)
<INCOME-BEFORE-INTEREST-EXPEN>                     241
<TOTAL-INTEREST-EXPENSE>                           105
<NET-INCOME>                                       133
<PREFERRED-STOCK-DIVIDENDS>                          5
<EARNINGS-AVAILABLE-FOR-COMM>                      128
<COMMON-STOCK-DIVIDENDS>                           108
<TOTAL-INTEREST-ON-BONDS>                            0
<CASH-FLOW-OPERATIONS>                             169
<EPS-BASIC>                                       1.23
<EPS-DILUTED>                                     1.23


</TABLE>
