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 DECEMBER 31, 1999 AND THE CONSOLIDATED  STATEMENTS OF INCOME
AND RETAINED EARNINGS AND OF CASH FLOWS FOR THE TWELVE MONTHS 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>
