<ARTICLE> UT <CURRENCY> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-END> SEP-30-2000 <EXCHANGE-RATE> 1 <BOOK-VALUE> PER-BOOK <TOTAL-NET-UTILITY-PLANT> 2,096,200 <OTHER-PROPERTY-AND-INVEST> 38,800 <TOTAL-CURRENT-ASSETS> 348,500 <TOTAL-DEFERRED-CHARGES> 184,100 <OTHER-ASSETS> 232,300 <TOTAL-ASSETS> 2,899,900 <COMMON> 400 <CAPITAL-SURPLUS-PAID-IN> 769,800 <RETAINED-EARNINGS> 485,700 <TOTAL-COMMON-STOCKHOLDERS-EQ> 1,255,900 <PREFERRED-MANDATORY> 0 <PREFERRED> 22,900 <LONG-TERM-DEBT-NET> 661,600 <SHORT-TERM-NOTES> 0 <LONG-TERM-NOTES-PAYABLE> 0 <COMMERCIAL-PAPER-OBLIGATIONS> 49,700 <LONG-TERM-DEBT-CURRENT-PORT> 0 <PREFERRED-STOCK-CURRENT> 0 <CAPITAL-LEASE-OBLIGATIONS> 0 <LEASES-CURRENT> 0 <OTHER-ITEMS-CAPITAL-AND-LIAB> 909,800 <TOT-CAPITALIZATION-AND-LIAB> 2,899,900 <GROSS-OPERATING-REVENUE> 992,100 <INCOME-TAX-EXPENSE> 95,700 <OTHER-OPERATING-EXPENSES> 661,300 <TOTAL-OPERATING-EXPENSES> 757,000 <OPERATING-INCOME-LOSS> 235,100 <OTHER-INCOME-NET> (51,200) <INCOME-BEFORE-INTEREST-EXPEN> 183,900 <TOTAL-INTEREST-EXPENSE> 55,000 <NET-INCOME> 128,900 <PREFERRED-STOCK-DIVIDENDS> 700 <EARNINGS-AVAILABLE-FOR-COMM> 128,200 <COMMON-STOCK-DIVIDENDS> 189,600 <TOTAL-INTEREST-ON-BONDS> 63,000 <CASH-FLOW-OPERATIONS> 247,400 <EPS-BASIC> 3.11 <EPS-DILUTED> 3.11