<ARTICLE> UT <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1995 <PERIOD-END> SEP-30-1995 <BOOK-VALUE> PER-BOOK <TOTAL-NET-UTILITY-PLANT> 3,103,371 <OTHER-PROPERTY-AND-INVEST> 514,993 <TOTAL-CURRENT-ASSETS> 470,022 <TOTAL-DEFERRED-CHARGES> 259,900 <OTHER-ASSETS> 357,509 <TOTAL-ASSETS> 4,705,795 <COMMON> 291,348 <CAPITAL-SURPLUS-PAID-IN> 565,159 <RETAINED-EARNINGS> 649,374 <TOTAL-COMMON-STOCKHOLDERS-EQ> 1,505,881 <PREFERRED-MANDATORY> 25,000 <PREFERRED> 93,475 <LONG-TERM-DEBT-NET> 1,170,110 <SHORT-TERM-NOTES> 0 <LONG-TERM-NOTES-PAYABLE> 121,920 <COMMERCIAL-PAPER-OBLIGATIONS> 0 <LONG-TERM-DEBT-CURRENT-PORT> 152,074 <PREFERRED-STOCK-CURRENT> 0 <CAPITAL-LEASE-OBLIGATIONS> 103,729 <LEASES-CURRENT> 8,476 <OTHER-ITEMS-CAPITAL-AND-LIAB> 1,525,130 <TOT-CAPITALIZATION-AND-LIAB> 4,705,795 <GROSS-OPERATING-REVENUE> 1,401,883 <INCOME-TAX-EXPENSE> 123,373 <OTHER-OPERATING-EXPENSES> 1,015,065 <TOTAL-OPERATING-EXPENSES> 1,138,438 <OPERATING-INCOME-LOSS> 263,445 <OTHER-INCOME-NET> 143 <INCOME-BEFORE-INTEREST-EXPEN> 263,588 <TOTAL-INTEREST-EXPENSE> 84,534 <NET-INCOME> 172,886 <PREFERRED-STOCK-DIVIDENDS> 5,747 <EARNINGS-AVAILABLE-FOR-COMM> 167,139 <COMMON-STOCK-DIVIDENDS> 136,346 <TOTAL-INTEREST-ON-BONDS> 63,931 <CASH-FLOW-OPERATIONS> 473,386 <EPS-PRIMARY> 1.43 <EPS-DILUTED> 1.43