<ARTICLE> UT
<LEGEND>
      THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
             THE CONSOLIDATED BALANCE SHEET AND STATEMENT OF INCOME
                 FROM THE COMPANY'S 2ND QUARTER 1995 FORM 10-Q
  AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-START>                             JAN-01-1995
<PERIOD-END>                               JUN-30-1995
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                    2,199,190
<OTHER-PROPERTY-AND-INVEST>                    134,353
<TOTAL-CURRENT-ASSETS>                         229,362
<TOTAL-DEFERRED-CHARGES>                       250,819
<OTHER-ASSETS>                                       0
<TOTAL-ASSETS>                               2,813,724
<COMMON>                                       135,422
<CAPITAL-SURPLUS-PAID-IN>                      493,505
<RETAINED-EARNINGS>                            270,739
<TOTAL-COMMON-STOCKHOLDERS-EQ>                 899,666
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                    168,085
<LONG-TERM-DEBT-NET>                           879,523
<SHORT-TERM-NOTES>                              22,201
<LONG-TERM-NOTES-PAYABLE>                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                       0
<LONG-TERM-DEBT-CURRENT-PORT>                    1,440
<PREFERRED-STOCK-CURRENT>                            0
<CAPITAL-LEASE-OBLIGATIONS>                     17,516
<LEASES-CURRENT>                                12,601
<OTHER-ITEMS-CAPITAL-AND-LIAB>                 812,692
<TOT-CAPITALIZATION-AND-LIAB>                2,813,724
<GROSS-OPERATING-REVENUE>                      470,828
<INCOME-TAX-EXPENSE>                            34,074
<OTHER-OPERATING-EXPENSES>                     354,324
<TOTAL-OPERATING-EXPENSES>                     388,398
<OPERATING-INCOME-LOSS>                         82,430
<OTHER-INCOME-NET>                               3,508
<INCOME-BEFORE-INTEREST-EXPEN>                  85,938
<TOTAL-INTEREST-EXPENSE>                        31,086
<NET-INCOME>                                    54,852
<PREFERRED-STOCK-DIVIDENDS>                      5,001
<EARNINGS-AVAILABLE-FOR-COMM>                   49,851
<COMMON-STOCK-DIVIDENDS>                        46,115
<TOTAL-INTEREST-ON-BONDS>                            0
<CASH-FLOW-OPERATIONS>                         138,108
<EPS-PRIMARY>                                    $0.83
<EPS-DILUTED>                                    $0.83