<TABLE> <S> <C>
                                                              
<ARTICLE>      OPUR1
<LEGEND>                                                               
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FOR THE
CONSOLIDATED BALANCE SHEET, CONSOLIDATED STATEMENT OF INCOME AND CONSOLIDATED
STATEMENT OF CASH FLOWS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH 
FINANCIAL STATEMENTS.
</LEGEND>                                                              
<MULTIPLIER>   1,000
                                           
<S>                                 <C>
<PERIOD-TYPE>                      YEAR
<FISCAL-YEAR-END>                                     DEC-31-1998
<PERIOD-START>                                        JAN-01-1998
<PERIOD-END>                                          DEC-31-1998
<BOOK-VALUE>                                             PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                                $928,244
<OTHER-PROPERTY-AND-INVEST>                               $77,486
<TOTAL-CURRENT-ASSETS>                                   $134,261
<TOTAL-DEFERRED-CHARGES>                                 $176,047
<OTHER-ASSETS>                                                 $0
<TOTAL-ASSETS>                                         $1,316,038
<COMMON>                                                  $87,775
<CAPITAL-SURPLUS-PAID-IN>                                $278,261
<RETAINED-EARNINGS>                                      $133,287
<TOTAL-COMMON-STOCKHOLDERS-EQ>                           $472,180
<PREFERRED-MANDATORY>                                     $35,000
<PREFERRED>                                               $21,030
<LONG-TERM-DEBT-NET>                                     $356,918
<SHORT-TERM-NOTES>                                        $18,000
<LONG-TERM-NOTES-PAYABLE>                                      $0
<COMMERCIAL-PAPER-OBLIGATIONS>                                 $0
<LONG-TERM-DEBT-CURRENT-PORT>                             $39,507
<PREFERRED-STOCK-CURRENT>                                      $0
<CAPITAL-LEASE-OBLIGATIONS>                                    $0
<LEASES-CURRENT>                                               $0
<OTHER-ITEMS-CAPITAL-AND-LIAB>                           $373,403
<TOT-CAPITALIZATION-AND-LIAB>                          $1,316,038
<GROSS-OPERATING-REVENUE>                                $503,469
<INCOME-TAX-EXPENSE>                                      $29,775
<OTHER-OPERATING-EXPENSES>                               $402,394
<TOTAL-OPERATING-EXPENSES>                               $432,169
<OPERATING-INCOME-LOSS>                                   $71,300
<OTHER-INCOME-NET>                                         $8,598
<INCOME-BEFORE-INTEREST-EXPEN>                            $79,898
<TOTAL-INTEREST-EXPENSE>                                  $27,354
<NET-INCOME>                                              $52,544
<PREFERRED-STOCK-DIVIDENDS>                                $3,230
<EARNINGS-AVAILABLE-FOR-COMM>                             $49,314
<COMMON-STOCK-DIVIDENDS>                                  $36,567
<TOTAL-INTEREST-ON-BONDS>                                 $14,225
<CASH-FLOW-OPERATIONS>                                    $74,547
<EPS-PRIMARY>                                               $2.90
<EPS-DILUTED>                                                  $0
        

</TABLE>