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

<TABLE> <S> <C>


<ARTICLE>                                                 UT
<LEGEND>
     THIS SCHEDULE CONTAINS SUMMARY INFORMATION  EXTRACTED FROM THE CONSOLIDATED
BALANCE 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>