<ARTICLE> UT
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               SEP-30-2000
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                    1,325,886
<OTHER-PROPERTY-AND-INVEST>                  1,118,646
<TOTAL-CURRENT-ASSETS>                         365,911
<TOTAL-DEFERRED-CHARGES>                     1,021,978
<OTHER-ASSETS>                                       0
<TOTAL-ASSETS>                               3,832,421
<COMMON>                                        73,119
<CAPITAL-SURPLUS-PAID-IN>                      959,269
<RETAINED-EARNINGS>                          1,002,316
<TOTAL-COMMON-STOCKHOLDERS-EQ>                 846,420<F1>
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                    246,723<F2>
<LONG-TERM-DEBT-NET>                         1,373,626
<SHORT-TERM-NOTES>                                   0
<LONG-TERM-NOTES-PAYABLE>                        2,543
<COMMERCIAL-PAPER-OBLIGATIONS>                       0
<LONG-TERM-DEBT-CURRENT-PORT>                  128,134
<PREFERRED-STOCK-CURRENT>                            0
<CAPITAL-LEASE-OBLIGATIONS>                     10,976
<LEASES-CURRENT>                                   776
<OTHER-ITEMS-CAPITAL-AND-LIAB>               1,223,223
<TOT-CAPITALIZATION-AND-LIAB>                3,832,421
<GROSS-OPERATING-REVENUE>                    1,010,103
<INCOME-TAX-EXPENSE>                            70,418<F3>
<OTHER-OPERATING-EXPENSES>                     932,289
<TOTAL-OPERATING-EXPENSES>                     932,289
<OPERATING-INCOME-LOSS>                         77,814
<OTHER-INCOME-NET>                             211,881
<INCOME-BEFORE-INTEREST-EXPEN>                 289,695
<TOTAL-INTEREST-EXPENSE>                        94,233<F4>
<NET-INCOME>                                   125,044
<PREFERRED-STOCK-DIVIDENDS>                      (427)
<EARNINGS-AVAILABLE-FOR-COMM>                  125,471
<COMMON-STOCK-DIVIDENDS>                        76,513
<TOTAL-INTEREST-ON-BONDS>                       56,203
<CASH-FLOW-OPERATIONS>                         271,796
<EPS-BASIC>                                       1.91
<EPS-DILUTED>                                     1.87
<FN>
<F1>Includes $(1,188,284) of Treasury Stock at cost
<F2>Includes $12,019 of Preference Stock
<F3>Non-Operating Expense
<F4>Includes $11,991 of Preferred and Preference Stock Dividends
</FN>