<ARTICLE> UT
<MULTIPLIER> 1,000
       
                                    
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-START>                             JAN-01-1995
<PERIOD-END>                               MAR-31-1995
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                    5,418,646
<OTHER-PROPERTY-AND-INVEST>                  1,189,014
<TOTAL-CURRENT-ASSETS>                         639,389
<TOTAL-DEFERRED-CHARGES>                       857,702
<OTHER-ASSETS>                                       0
<TOTAL-ASSETS>                               8,104,751
<COMMON>                                     1,425,391
<CAPITAL-SURPLUS-PAID-IN>                            0
<RETAINED-EARNINGS>                          1,317,497
<TOTAL-COMMON-STOCKHOLDERS-EQ>               2,725,440
<PREFERRED-MANDATORY>                          279,500
<PREFERRED>                                    209,185
<LONG-TERM-DEBT-NET>                         2,579,841
<SHORT-TERM-NOTES>                                   0
<LONG-TERM-NOTES-PAYABLE>                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                  27,800
<LONG-TERM-DEBT-CURRENT-PORT>                  272,646
<PREFERRED-STOCK-CURRENT>                       61,500
<CAPITAL-LEASE-OBLIGATIONS>                          0
<LEASES-CURRENT>                                     0
<OTHER-ITEMS-CAPITAL-AND-LIAB>               1,948,839
<TOT-CAPITALIZATION-AND-LIAB>                8,104,751
<GROSS-OPERATING-REVENUE>                      715,251
<INCOME-TAX-EXPENSE>                            32,616
<OTHER-OPERATING-EXPENSES>                     567,092
<TOTAL-OPERATING-EXPENSES>                     599,708
<OPERATING-INCOME-LOSS>                        115,543
<OTHER-INCOME-NET>                               3,898
<INCOME-BEFORE-INTEREST-EXPEN>                 119,441
<TOTAL-INTEREST-EXPENSE>                        48,588
<NET-INCOME>                                    70,853
<PREFERRED-STOCK-DIVIDENDS>                      9,951
<EARNINGS-AVAILABLE-FOR-COMM>                   60,902
<COMMON-STOCK-DIVIDENDS>                        56,060
<TOTAL-INTEREST-ON-BONDS>                       54,977
<CASH-FLOW-OPERATIONS>                         197,788
<EPS-PRIMARY>                                      .41
<EPS-DILUTED>                                      .41