<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>                        5,252
<OTHER-PROPERTY-AND-INVEST>                        737
<TOTAL-CURRENT-ASSETS>                           2,458
<TOTAL-DEFERRED-CHARGES>                           980
<OTHER-ASSETS>                                   1,029
<TOTAL-ASSETS>                                  10,456
<COMMON>                                         1,883
<CAPITAL-SURPLUS-PAID-IN>                            0
<RETAINED-EARNINGS>                              1,030
<TOTAL-COMMON-STOCKHOLDERS-EQ>                   2,913
<PREFERRED-MANDATORY>                               25
<PREFERRED>                                        179
<LONG-TERM-DEBT-NET>                             2,795
<SHORT-TERM-NOTES>                                  43
<LONG-TERM-NOTES-PAYABLE>                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                       0
<LONG-TERM-DEBT-CURRENT-PORT>                      330
<PREFERRED-STOCK-CURRENT>                            0
<CAPITAL-LEASE-OBLIGATIONS>                          0
<LEASES-CURRENT>                                     0
<OTHER-ITEMS-CAPITAL-AND-LIAB>                   4,171
<TOT-CAPITALIZATION-AND-LIAB>                   10,456
<GROSS-OPERATING-REVENUE>                        5,481
<INCOME-TAX-EXPENSE>                               138
<OTHER-OPERATING-EXPENSES>                       4,886 <F1>
<TOTAL-OPERATING-EXPENSES>                       5,024
<OPERATING-INCOME-LOSS>                            457
<OTHER-INCOME-NET>                                  44
<INCOME-BEFORE-INTEREST-EXPEN>                     501
<TOTAL-INTEREST-EXPENSE>                           207
<NET-INCOME>                                       294
<PREFERRED-STOCK-DIVIDENDS>                          0 <F1>
<EARNINGS-AVAILABLE-FOR-COMM>                      294
<COMMON-STOCK-DIVIDENDS>                           376
<TOTAL-INTEREST-ON-BONDS>                            0
<CASH-FLOW-OPERATIONS>                           1,323
<EPS-PRIMARY>                                     1.24
<EPS-DILUTED>                                     1.24
<FN>
<F1> PREFERRED DIVIDEND OF SUBSIDIARY INCLUDED IN OTHER OPERATING
      EXPENSE