<ARTICLE> UT
<MULTIPLIER> 1,000

                               
<PERIOD-TYPE>                     6-MOS
<FISCAL-YEAR-END>                 DEC-31-1999
<PERIOD-END>                      JUN-30-1999
<BOOK-VALUE>                      PER-BOOK
<TOTAL-NET-UTILITY-PLANT>          518,031
<OTHER-PROPERTY-AND-INVEST>          5,254
<TOTAL-CURRENT-ASSETS>              96,788
<TOTAL-DEFERRED-CHARGES>           106,159
<OTHER-ASSETS>                       1,344
<TOTAL-ASSETS>                     727,576
<COMMON>                            13,719
<CAPITAL-SURPLUS-PAID-IN>          116,375
<RETAINED-EARNINGS>                 54,523
<TOTAL-COMMON-STOCKHOLDERS-EQ>     184,617
<PREFERRED-MANDATORY>               35,000
<PREFERRED>                          2,044
<LONG-TERM-DEBT-NET>               185,704
<SHORT-TERM-NOTES>                  82,300
<LONG-TERM-NOTES-PAYABLE>                0
<COMMERCIAL-PAPER-OBLIGATIONS>           0
<LONG-TERM-DEBT-CURRENT-PORT>        8,876
<PREFERRED-STOCK-CURRENT>                0
<CAPITAL-LEASE-OBLIGATIONS>              0
<LEASES-CURRENT>                         0
<OTHER-ITEMS-CAPITAL-AND-LIAB>     229,035
<TOT-CAPITALIZATION-AND-LIAB>      727,576
<GROSS-OPERATING-REVENUE>          223,429
<INCOME-TAX-EXPENSE>                13,171
<OTHER-OPERATING-EXPENSES>         180,848
<TOTAL-OPERATING-EXPENSES>         194,019
<OPERATING-INCOME-LOSS>             29,410
<OTHER-INCOME-NET>                       0
<INCOME-BEFORE-INTEREST-EXPEN>      29,410
<TOTAL-INTEREST-EXPENSE>             9,965
<NET-INCOME>                        17,778
<PREFERRED-STOCK-DIVIDENDS>          1,544
<EARNINGS-AVAILABLE-FOR-COMM>       17,778
<COMMON-STOCK-DIVIDENDS>             7,762
<TOTAL-INTEREST-ON-BONDS>            8,024
<CASH-FLOW-OPERATIONS>              57,466
<EPS-BASIC>                         1.65
<EPS-DILUTED>                         1.65