<ARTICLE>                                           UT
<MULTIPLIER>                                   1,000,000
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                              DEC-31-1998
<PERIOD-END>                                   DEC-31-1998
<BOOK-VALUE>                                      PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                            9,082
<OTHER-PROPERTY-AND-INVEST>                            751
<TOTAL-CURRENT-ASSETS>                               1,470
<TOTAL-DEFERRED-CHARGES>                               682
<OTHER-ASSETS>                                           0
<TOTAL-ASSETS>                                      11,985
<COMMON>                                             2,737
<CAPITAL-SURPLUS-PAID-IN>                               17
<RETAINED-EARNINGS>                                  1,178
<TOTAL-COMMON-STOCKHOLDERS-EQ>                       3,933
<PREFERRED-MANDATORY>                                  180
<PREFERRED>                                            509
<LONG-TERM-DEBT-NET>                                 3,465
<SHORT-TERM-NOTES>                                       0
<LONG-TERM-NOTES-PAYABLE>                                0
<COMMERCIAL-PAPER-OBLIGATIONS>                         222
<LONG-TERM-DEBT-CURRENT-PORT>                          321
<PREFERRED-STOCK-CURRENT>                                0
<CAPITAL-LEASE-OBLIGATIONS>                             26
<LEASES-CURRENT>                                         9
<OTHER-ITEMS-CAPITAL-AND-LIAB>                       3,320
<TOT-CAPITALIZATION-AND-LIAB>                       11,985
<GROSS-OPERATING-REVENUE>                            4,285
<INCOME-TAX-EXPENSE>                                   157
<OTHER-OPERATING-EXPENSES>                           3,599
<TOTAL-OPERATING-EXPENSES>                           3,756
<OPERATING-INCOME-LOSS>                                529
<OTHER-INCOME-NET>                                      18
<INCOME-BEFORE-INTEREST-EXPEN>                         547
<TOTAL-INTEREST-EXPENSE>                               317
<NET-INCOME>                                           230
<PREFERRED-STOCK-DIVIDENDS>                             36
<EARNINGS-AVAILABLE-FOR-COMM>                          194
<COMMON-STOCK-DIVIDENDS>                               378
<TOTAL-INTEREST-ON-BONDS>                                0
<CASH-FLOW-OPERATIONS>                               1,094
<EPS-PRIMARY>                                            0
<EPS-DILUTED>                                            0