<ARTICLE> UT <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-END> MAR-31-2000 <BOOK-VALUE> PER-BOOK <TOTAL-NET-UTILITY-PLANT> 2098200 <OTHER-PROPERTY-AND-INVEST> 61000 <TOTAL-CURRENT-ASSETS> 442500 <TOTAL-DEFERRED-CHARGES> 210900 <OTHER-ASSETS> 215200 <TOTAL-ASSETS> 3027800 <COMMON> 400 <CAPITAL-SURPLUS-PAID-IN> 769800 <RETAINED-EARNINGS> 591500 <TOTAL-COMMON-STOCKHOLDERS-EQ> 1361700 <PREFERRED-MANDATORY> 0 <PREFERRED> 22900 <LONG-TERM-DEBT-NET> 661200 <SHORT-TERM-NOTES> 0 <LONG-TERM-NOTES-PAYABLE> 0 <COMMERCIAL-PAPER-OBLIGATIONS> 0 <LONG-TERM-DEBT-CURRENT-PORT> 400 <PREFERRED-STOCK-CURRENT> 0 <CAPITAL-LEASE-OBLIGATIONS> 0 <LEASES-CURRENT> 0 <OTHER-ITEMS-CAPITAL-AND-LIAB> 981600 <TOT-CAPITALIZATION-AND-LIAB> 3027800 <GROSS-OPERATING-REVENUE> 361000 <INCOME-TAX-EXPENSE> 32000 <OTHER-OPERATING-EXPENSES> 246800 <TOTAL-OPERATING-EXPENSES> 278800 <OPERATING-INCOME-LOSS> 82200 <OTHER-INCOME-NET> (7600) <INCOME-BEFORE-INTEREST-EXPEN> 74600 <TOTAL-INTEREST-EXPENSE> (18500) <NET-INCOME> 56100 <PREFERRED-STOCK-DIVIDENDS> 200 <EARNINGS-AVAILABLE-FOR-COMM> 55900 <COMMON-STOCK-DIVIDENDS> 0 <TOTAL-INTEREST-ON-BONDS> 28200 <CASH-FLOW-OPERATIONS> 105800 <EPS-BASIC> 1.36 <EPS-DILUTED> 1.36