<ARTICLE> UT
<LEGEND>
THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE BALANCE
SHEET AT MARCH 31, 1995 AND THE STATEMENT OF INCOME AND THE STATEMENT OF CASH
FLOWS FOR THE THREE MONTHS ENDED MARCH 31, 1995 AND IS QUALIFIED IN ITS ENTIRETY
BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-END>                               MAR-31-1995
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                    4,306,056
<OTHER-PROPERTY-AND-INVEST>                    102,030
<TOTAL-CURRENT-ASSETS>                         381,705
<TOTAL-DEFERRED-CHARGES>                       406,837
<OTHER-ASSETS>                                       0
<TOTAL-ASSETS>                               5,196,628
<COMMON>                                       308,804
<CAPITAL-SURPLUS-PAID-IN>                      671,465
<RETAINED-EARNINGS>                            505,404
<TOTAL-COMMON-STOCKHOLDERS-EQ>               1,485,673
<PREFERRED-MANDATORY>                          150,000
<PREFERRED>                                     24,858
<LONG-TERM-DEBT-NET>                         1,357,069
<SHORT-TERM-NOTES>                             128,900
<LONG-TERM-NOTES-PAYABLE>                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                 151,163
<LONG-TERM-DEBT-CURRENT-PORT>                        0
<PREFERRED-STOCK-CURRENT>                            0
<CAPITAL-LEASE-OBLIGATIONS>                      4,038
<LEASES-CURRENT>                                 3,250
<OTHER-ITEMS-CAPITAL-AND-LIAB>               1,891,677
<TOT-CAPITALIZATION-AND-LIAB>                5,196,628
<GROSS-OPERATING-REVENUE>                      417,546
<INCOME-TAX-EXPENSE>                            20,969
<OTHER-OPERATING-EXPENSES>                     326,878
<TOTAL-OPERATING-EXPENSES>                     349,029
<OPERATING-INCOME-LOSS>                         68,517
<OTHER-INCOME-NET>                               3,128
<INCOME-BEFORE-INTEREST-EXPEN>                  71,645
<TOTAL-INTEREST-EXPENSE>                        30,070
<NET-INCOME>                                    41,575
<PREFERRED-STOCK-DIVIDENDS>                      3,355
<EARNINGS-AVAILABLE-FOR-COMM>                   38,220
<COMMON-STOCK-DIVIDENDS>                        31,189
<TOTAL-INTEREST-ON-BONDS>                       23,846
<CASH-FLOW-OPERATIONS>                         136,227
<EPS-PRIMARY>                                     0.62
<EPS-DILUTED>                                        0