WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

  

<ARTICLE> UT
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-END>                               DEC-31-1995
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                    3,100,157
<OTHER-PROPERTY-AND-INVEST>                    532,289
<TOTAL-CURRENT-ASSETS>                         418,053
<TOTAL-DEFERRED-CHARGES>                       251,456
<OTHER-ASSETS>                                 368,485
<TOTAL-ASSETS>                               4,670,440
<COMMON>                                       291,458
<CAPITAL-SURPLUS-PAID-IN>                      566,046
<RETAINED-EARNINGS>                            662,566
<TOTAL-COMMON-STOCKHOLDERS-EQ>               1,520,070
<PREFERRED-MANDATORY>                           25,000
<PREFERRED>                                     93,475
<LONG-TERM-DEBT-NET>                         1,120,159
<SHORT-TERM-NOTES>                                   0
<LONG-TERM-NOTES-PAYABLE>                      133,068
<COMMERCIAL-PAPER-OBLIGATIONS>                       0
<LONG-TERM-DEBT-CURRENT-PORT>                  142,818
<PREFERRED-STOCK-CURRENT>                            0
<CAPITAL-LEASE-OBLIGATIONS>                     96,867
<LEASES-CURRENT>                                 8,498
<OTHER-ITEMS-CAPITAL-AND-LIAB>               1,530,485
<TOT-CAPITALIZATION-AND-LIAB>                4,670,440
<GROSS-OPERATING-REVENUE>                    1,870,676
<INCOME-TAX-EXPENSE>                           134,578
<OTHER-OPERATING-EXPENSES>                   1,390,448
<TOTAL-OPERATING-EXPENSES>                   1,525,026
<OPERATING-INCOME-LOSS>                        345,650
<OTHER-INCOME-NET>                                 532
<INCOME-BEFORE-INTEREST-EXPEN>                 346,182
<TOTAL-INTEREST-EXPENSE>                       112,873
<NET-INCOME>                                   233,457
<PREFERRED-STOCK-DIVIDENDS>                      7,663
<EARNINGS-AVAILABLE-FOR-COMM>                  225,794
<COMMON-STOCK-DIVIDENDS>                       181,809
<TOTAL-INTEREST-ON-BONDS>                       84,414
<CASH-FLOW-OPERATIONS>                         623,916
<EPS-PRIMARY>                                     1.94
<EPS-DILUTED>                                     1.94