<ARTICLE>  UT
<MULTIPLIER> 1,000
                                
<PERIOD-TYPE>                      9-MOS
<FISCAL-YEAR-END>                     Dec-31-1995
<PERIOD-END>                          Sep-30-1995
<BOOK-VALUE>                            PER-BOOK
<TOTAL-NET-UTILITY-PLANT>              2,343,936
<OTHER-PROPERTY-AND-INVEST>              144,187
<TOTAL-CURRENT-ASSETS>                   189,045
<TOTAL-DEFERRED-CHARGES>                 189,416
<OTHER-ASSETS>                                 0
<TOTAL-ASSETS>                         2,866,584
<COMMON>                                 449,697
<CAPITAL-SURPLUS-PAID-IN>                 (1,725)
<RETAINED-EARNINGS>                      451,734
<TOTAL-COMMON-STOCKHOLDERS-EQ>           899,706
<PREFERRED-MANDATORY>                      1,436
<PREFERRED>                               89,000
<LONG-TERM-DEBT-NET>                     835,533
<SHORT-TERM-NOTES>                             0
<LONG-TERM-NOTES-PAYABLE>                      0
<COMMERCIAL-PAPER-OBLIGATIONS>                 0
<LONG-TERM-DEBT-CURRENT-PORT>             53,762
<PREFERRED-STOCK-CURRENT>                      0
<CAPITAL-LEASE-OBLIGATIONS>                    0
<LEASES-CURRENT>                               0
<OTHER-ITEMS-CAPITAL-AND-LIAB>           987,147
<TOT-CAPITALIZATION-AND-LIAB>          2,866,584
<GROSS-OPERATING-REVENUE>                681,881
<INCOME-TAX-EXPENSE>                      63,579
<OTHER-OPERATING-EXPENSES>               486,372
<TOTAL-OPERATING-EXPENSES>               549,951
<OPERATING-INCOME-LOSS>                  131,930
<OTHER-INCOME-NET>                         7,416
<INCOME-BEFORE-INTEREST-EXPEN>           139,346
<TOTAL-INTEREST-EXPENSE>                  40,107
<NET-INCOME>                              99,239
<PREFERRED-STOCK-DIVIDENDS>                3,039
<EARNINGS-AVAILABLE-FOR-COMM>             96,200
<COMMON-STOCK-DIVIDENDS>                       0
<TOTAL-INTEREST-ON-BONDS>                 38,538
<CASH-FLOW-OPERATIONS>                   199,347
<EPS-PRIMARY>                               1.55
<EPS-DILUTED>                               1.55