<ARTICLE> OPUR1 <MULTIPLIER> 1000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-END> MAR-31-1999 <BOOK-VALUE> PER-BOOK <TOTAL-NET-UTILITY-PLANT> 648646 <OTHER-PROPERTY-AND-INVEST> 122624 <TOTAL-CURRENT-ASSETS> 164840 <TOTAL-DEFERRED-CHARGES> 368914 <OTHER-ASSETS> 62025 <TOTAL-ASSETS> 1367049 <COMMON> 102180 <CAPITAL-SURPLUS-PAID-IN> 215439 <RETAINED-EARNINGS> 53486 <TOTAL-COMMON-STOCKHOLDERS-EQ> 371105 <PREFERRED-MANDATORY> 28086 <PREFERRED> 6900 <LONG-TERM-DEBT-NET> 308425 <SHORT-TERM-NOTES> 0 <LONG-TERM-NOTES-PAYABLE> 45011 <COMMERCIAL-PAPER-OBLIGATIONS> 0 <LONG-TERM-DEBT-CURRENT-PORT> 21913 <PREFERRED-STOCK-CURRENT> 0 <CAPITAL-LEASE-OBLIGATIONS> 0 <LEASES-CURRENT> 0 <OTHER-ITEMS-CAPITAL-AND-LIAB> 585609 <TOT-CAPITALIZATION-AND-LIAB> 1367049 <GROSS-OPERATING-REVENUE> 138877 <INCOME-TAX-EXPENSE> 4178 <OTHER-OPERATING-EXPENSES> 123248 <TOTAL-OPERATING-EXPENSES> 127426 <OPERATING-INCOME-LOSS> 11451 <OTHER-INCOME-NET> 3111 <INCOME-BEFORE-INTEREST-EXPEN> 14562 <TOTAL-INTEREST-EXPENSE> 8393 <NET-INCOME> 6169 <PREFERRED-STOCK-DIVIDENDS> 576 <EARNINGS-AVAILABLE-FOR-COMM> 5593 <COMMON-STOCK-DIVIDENDS> 8481 <TOTAL-INTEREST-ON-BONDS> 6475 <CASH-FLOW-OPERATIONS> 21865 <EPS-PRIMARY> .27 <EPS-DILUTED> .27