<ARTICLE> UT <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-END> MAR-31-1999 <BOOK-VALUE> PER-BOOK <TOTAL-NET-UTILITY-PLANT> 510,460 <OTHER-PROPERTY-AND-INVEST> 886 <TOTAL-CURRENT-ASSETS> 89,075 <TOTAL-DEFERRED-CHARGES> 101,267 <OTHER-ASSETS> 903 <TOTAL-ASSETS> 702,591 <COMMON> 5,848 <CAPITAL-SURPLUS-PAID-IN> 102,817 <RETAINED-EARNINGS> 68,243 <TOTAL-COMMON-STOCKHOLDERS-EQ> 176,908 <PREFERRED-MANDATORY> 35,000 <PREFERRED> 2,134 <LONG-TERM-DEBT-NET> 195,523 <SHORT-TERM-NOTES> 59,000 <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> 228,150 <TOT-CAPITALIZATION-AND-LIAB> 702,591 <GROSS-OPERATING-REVENUE> 135,082 <INCOME-TAX-EXPENSE> 12,718 <OTHER-OPERATING-EXPENSES> 98,553 <TOTAL-OPERATING-EXPENSES> 111,271 <OPERATING-INCOME-LOSS> 23,811 <OTHER-INCOME-NET> 0 <INCOME-BEFORE-INTEREST-EXPEN> 23,811 <TOTAL-INTEREST-EXPENSE> 5,021 <NET-INCOME> 18,790 <PREFERRED-STOCK-DIVIDENDS> 773 <EARNINGS-AVAILABLE-FOR-COMM> 18,018 <COMMON-STOCK-DIVIDENDS> 4,050 <TOTAL-INTEREST-ON-BONDS> 4,107 <CASH-FLOW-OPERATIONS> 55,082 <EPS-PRIMARY> 7.70 <EPS-DILUTED> 7.70