<ARTICLE> UT
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1993
<PERIOD-END>                               SEP-30-1994
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                    2,638,310
<OTHER-PROPERTY-AND-INVEST>                    337,097
<TOTAL-CURRENT-ASSETS>                         327,670
<TOTAL-DEFERRED-CHARGES>                       228,524
<OTHER-ASSETS>                                       0
<TOTAL-ASSETS>                               3,531,601
<COMMON>                                        45,421
<CAPITAL-SURPLUS-PAID-IN>                      620,304
<RETAINED-EARNINGS>                            261,008
<TOTAL-COMMON-STOCKHOLDERS-EQ>                 926,733
<PREFERRED-MANDATORY>                           94,000
<PREFERRED>                                    123,000
<LONG-TERM-DEBT-NET>                         1,258,154
<SHORT-TERM-NOTES>                              84,914
<LONG-TERM-NOTES-PAYABLE>                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                  97,000
<LONG-TERM-DEBT-CURRENT-PORT>                      400
<PREFERRED-STOCK-CURRENT>                        2,000
<CAPITAL-LEASE-OBLIGATIONS>                          0
<LEASES-CURRENT>                                     0
<OTHER-ITEMS-CAPITAL-AND-LIAB>                 945,400
<TOT-CAPITALIZATION-AND-LIAB>                3,531,601
<GROSS-OPERATING-REVENUE>                    1,195,198
<INCOME-TAX-EXPENSE>                            51,854
<OTHER-OPERATING-EXPENSES>                     950,555
<TOTAL-OPERATING-EXPENSES>                   1,002,409
<OPERATING-INCOME-LOSS>                        192,789
<OTHER-INCOME-NET>                               2,477
<INCOME-BEFORE-INTEREST-EXPEN>                 195,266
<TOTAL-INTEREST-EXPENSE>                        81,290
<NET-INCOME>                                   113,976
<PREFERRED-STOCK-DIVIDENDS>                     11,839
<EARNINGS-AVAILABLE-FOR-COMM>                  102,137
<COMMON-STOCK-DIVIDENDS>                        59,826
<TOTAL-INTEREST-ON-BONDS>                            0
<CASH-FLOW-OPERATIONS>                         259,563
<EPS-PRIMARY>                                     2.26
<EPS-DILUTED>                                     2.26