<ARTICLE> UT
<MULTIPLIER> 1000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1994
<PERIOD-END>                               SEP-30-1994
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                    3,134,811
<OTHER-PROPERTY-AND-INVEST>                    460,473
<TOTAL-CURRENT-ASSETS>                         421,877
<TOTAL-DEFERRED-CHARGES>                       166,282
<OTHER-ASSETS>                                 396,390
<TOTAL-ASSETS>                               4,579,833
<COMMON>                                       291,190
<CAPITAL-SURPLUS-PAID-IN>                      564,264
<RETAINED-EARNINGS>                            607,670
<TOTAL-COMMON-STOCKHOLDERS-EQ>               1,463,124
<PREFERRED-MANDATORY>                           25,000
<PREFERRED>                                     93,493
<LONG-TERM-DEBT-NET>                         1,118,967
<SHORT-TERM-NOTES>                              39,800
<LONG-TERM-NOTES-PAYABLE>                      117,548
<COMMERCIAL-PAPER-OBLIGATIONS>                       0
<LONG-TERM-DEBT-CURRENT-PORT>                  198,974
<PREFERRED-STOCK-CURRENT>                            0
<CAPITAL-LEASE-OBLIGATIONS>                    101,481
<LEASES-CURRENT>                                 8,267
<OTHER-ITEMS-CAPITAL-AND-LIAB>               1,413,179
<TOT-CAPITALIZATION-AND-LIAB>                4,579,833
<GROSS-OPERATING-REVENUE>                    1,458,884
<INCOME-TAX-EXPENSE>                           119,410
<OTHER-OPERATING-EXPENSES>                   1,116,491
<TOTAL-OPERATING-EXPENSES>                   1,235,901
<OPERATING-INCOME-LOSS>                        222,983
<OTHER-INCOME-NET>                            (59,733)
<INCOME-BEFORE-INTEREST-EXPEN>                 163,250
<TOTAL-INTEREST-EXPENSE>                        76,884
<NET-INCOME>                                    86,366
<PREFERRED-STOCK-DIVIDENDS>                      5,747
<EARNINGS-AVAILABLE-FOR-COMM>                   80,619
<COMMON-STOCK-DIVIDENDS>                       132,783
<TOTAL-INTEREST-ON-BONDS>                       62,334
<CASH-FLOW-OPERATIONS>                         441,853
<EPS-PRIMARY>                                     0.69
<EPS-DILUTED>                                     0.69