<ARTICLE>                     UT
<LEGEND>
This  schedule  contains  summary  financial   information  extracted  from  the
Statement of Income, Balance Sheet and Statement of Cash Flows, and is qualified
in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER>                  1000
       
                                            
<PERIOD-TYPE>                                  3-MOS
<FISCAL-YEAR-END>                              DEC-31-1999
<PERIOD-END>                                   MAR-30-1999
<BOOK-VALUE>                                   PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                      3,802,396
<OTHER-PROPERTY-AND-INVEST>                      349,353
<TOTAL-CURRENT-ASSETS>                         1,848,894
<TOTAL-DEFERRED-CHARGES>                         875,488
<OTHER-ASSETS>                                         0
<TOTAL-ASSETS>                                 6,876,131
<COMMON>                                           1,427
<CAPITAL-SURPLUS-PAID-IN>                      2,494,184
<RETAINED-EARNINGS>                              547,630
<TOTAL-COMMON-STOCKHOLDERS-EQ>                 3,043,241
<PREFERRED-MANDATORY>                            363,000
<PREFERRED>                                       84,319
<LONG-TERM-DEBT-NET>                           1,627,638
<SHORT-TERM-NOTES>                                     0
<LONG-TERM-NOTES-PAYABLE>                              0
<COMMERCIAL-PAPER-OBLIGATIONS>                         0
<LONG-TERM-DEBT-CURRENT-PORT>                    398,000
<PREFERRED-STOCK-CURRENT>                              0
<CAPITAL-LEASE-OBLIGATIONS>                            0
<LEASES-CURRENT>                                       0
<OTHER-ITEMS-CAPITAL-AND-LIAB>                 1,359,933
<TOT-CAPITALIZATION-AND-LIAB>                  6,876,131
<GROSS-OPERATING-REVENUE>                        958,319
<INCOME-TAX-EXPENSE>                              80,079
<OTHER-OPERATING-EXPENSES>                       716,415
<TOTAL-OPERATING-EXPENSES>                       796,494
<OPERATING-INCOME-LOSS>                          161,825
<OTHER-INCOME-NET>                                15,980
<INCOME-BEFORE-INTEREST-EXPEN>                   177,805
<TOTAL-INTEREST-EXPENSE>                          34,584
<NET-INCOME>                                     143,221
<PREFERRED-STOCK-DIVIDENDS>                        8,689
<EARNINGS-AVAILABLE-FOR-COMM>                    134,532
<COMMON-STOCK-DIVIDENDS>                          64,360
<TOTAL-INTEREST-ON-BONDS>                         35,216
<CASH-FLOW-OPERATIONS>                           203,186
<EPS-PRIMARY>                                       0.94
<EPS-DILUTED>                                       0.94