<ARTICLE> UT
<LEGEND>
      THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
      FROM (BALANCE SHEETS, INCOME STATEMENTS AND CASH FLOW STATEMENTS)
      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>                    1,666,470
<OTHER-PROPERTY-AND-INVEST>                     17,374
<TOTAL-CURRENT-ASSETS>                         141,621
<TOTAL-DEFERRED-CHARGES>                       365,093
<OTHER-ASSETS>                                       0
<TOTAL-ASSETS>                               2,190,558
<COMMON>                                        94,031
<CAPITAL-SURPLUS-PAID-IN>                      358,766
<RETAINED-EARNINGS>                            220,151
<TOTAL-COMMON-STOCKHOLDERS-EQ>                 672,948
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                    132,325
<LONG-TERM-DEBT-NET>                           659,687
<SHORT-TERM-NOTES>                                   0
<LONG-TERM-NOTES-PAYABLE>                       13,367
<COMMERCIAL-PAPER-OBLIGATIONS>                  62,100
<LONG-TERM-DEBT-CURRENT-PORT>                   20,517
<PREFERRED-STOCK-CURRENT>                            0
<CAPITAL-LEASE-OBLIGATIONS>                          0
<LEASES-CURRENT>                                     0
<OTHER-ITEMS-CAPITAL-AND-LIAB>                 629,614
<TOT-CAPITALIZATION-AND-LIAB>                2,190,558
<GROSS-OPERATING-REVENUE>                      261,590
<INCOME-TAX-EXPENSE>                            25,184
<OTHER-OPERATING-EXPENSES>                     176,357
<TOTAL-OPERATING-EXPENSES>                     201,541
<OPERATING-INCOME-LOSS>                         60,049
<OTHER-INCOME-NET>                               5,325
<INCOME-BEFORE-INTEREST-EXPEN>                  65,374
<TOTAL-INTEREST-EXPENSE>                        27,057
<NET-INCOME>                                    38,316
<PREFERRED-STOCK-DIVIDENDS>                      4,033
<EARNINGS-AVAILABLE-FOR-COMM>                   34,283
<COMMON-STOCK-DIVIDENDS>                        34,971
<TOTAL-INTEREST-ON-BONDS>                            0
<CASH-FLOW-OPERATIONS>                          76,255
<EPS-PRIMARY>                                     0.91
<EPS-DILUTED>                                     0.91