<ARTICLE>  UT
<MULTIPLIER> 1,000
                                
<PERIOD-TYPE>                      3-MOS
<FISCAL-YEAR-END>                      Dec-31-1994
<PERIOD-END>                           Mar-31-1995
<BOOK-VALUE>                             PER-BOOK
<TOTAL-NET-UTILITY-PLANT>               2,337,231
<OTHER-PROPERTY-AND-INVEST>               122,879
<TOTAL-CURRENT-ASSETS>                    131,727
<TOTAL-DEFERRED-CHARGES>                  195,130
<OTHER-ASSETS>                                  0
<TOTAL-ASSETS>                          2,786,967
<COMMON>                                  449,697
<CAPITAL-SURPLUS-PAID-IN>                  (1,725)
<RETAINED-EARNINGS>                       425,080
<TOTAL-COMMON-STOCKHOLDERS-EQ>            873,052
<PREFERRED-MANDATORY>                       1,436
<PREFERRED>                                89,000
<LONG-TERM-DEBT-NET>                      802,633
<SHORT-TERM-NOTES>                          2,500
<LONG-TERM-NOTES-PAYABLE>                       0
<COMMERCIAL-PAPER-OBLIGATIONS>             39,000
<LONG-TERM-DEBT-CURRENT-PORT>              33,419
<PREFERRED-STOCK-CURRENT>                       0
<CAPITAL-LEASE-OBLIGATIONS>                     0
<LEASES-CURRENT>                                0
<OTHER-ITEMS-CAPITAL-AND-LIAB>            945,927
<TOT-CAPITALIZATION-AND-LIAB>           2,786,967
<GROSS-OPERATING-REVENUE>                 198,906
<INCOME-TAX-EXPENSE>                       11,617
<OTHER-OPERATING-EXPENSES>                157,846
<TOTAL-OPERATING-EXPENSES>                169,463
<OPERATING-INCOME-LOSS>                    29,443
<OTHER-INCOME-NET>                          6,467
<INCOME-BEFORE-INTEREST-EXPEN>             35,910
<TOTAL-INTEREST-EXPENSE>                   13,023
<NET-INCOME>                               22,887
<PREFERRED-STOCK-DIVIDENDS>                 1,026
<EARNINGS-AVAILABLE-FOR-COMM>              21,861
<COMMON-STOCK-DIVIDENDS>                   23,523
<TOTAL-INTEREST-ON-BONDS>                  12,333
<CASH-FLOW-OPERATIONS>                     41,995
<EPS-PRIMARY>                                0.35
<EPS-DILUTED>                                0.35