<ARTICLE> UT <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1995 <PERIOD-END> JUN-30-1995 <BOOK-VALUE> PER-BOOK <TOTAL-NET-UTILITY-PLANT> 3,107,447 <OTHER-PROPERTY-AND-INVEST> 502,429 <TOTAL-CURRENT-ASSETS> 435,742 <TOTAL-DEFERRED-CHARGES> 260,288 <OTHER-ASSETS> 364,665 <TOTAL-ASSETS> 4,670,571 <COMMON> 291,335 <CAPITAL-SURPLUS-PAID-IN> 564,464 <RETAINED-EARNINGS> 634,920 <TOTAL-COMMON-STOCKHOLDERS-EQ> 1,490,719 <PREFERRED-MANDATORY> 25,000 <PREFERRED> 93,493 <LONG-TERM-DEBT-NET> 1,168,832 <SHORT-TERM-NOTES> 0 <LONG-TERM-NOTES-PAYABLE> 115,266 <COMMERCIAL-PAPER-OBLIGATIONS> 0 <LONG-TERM-DEBT-CURRENT-PORT> 226,011 <PREFERRED-STOCK-CURRENT> 0 <CAPITAL-LEASE-OBLIGATIONS> 96,988 <LEASES-CURRENT> 8,454 <OTHER-ITEMS-CAPITAL-AND-LIAB> 1,445,808 <TOT-CAPITALIZATION-AND-LIAB> 4,670,571 <GROSS-OPERATING-REVENUE> 923,194 <INCOME-TAX-EXPENSE> 86,077 <OTHER-OPERATING-EXPENSES> 663,974 <TOTAL-OPERATING-EXPENSES> 750,051 <OPERATING-INCOME-LOSS> 173,143 <OTHER-INCOME-NET> 1,245 <INCOME-BEFORE-INTEREST-EXPEN> 174,388 <TOTAL-INTEREST-EXPENSE> 57,154 <NET-INCOME> 111,066 <PREFERRED-STOCK-DIVIDENDS> 3,831 <EARNINGS-AVAILABLE-FOR-COMM> 107,235 <COMMON-STOCK-DIVIDENDS> 90,896 <TOTAL-INTEREST-ON-BONDS> 43,040 <CASH-FLOW-OPERATIONS> 280,791 <EPS-PRIMARY> 0.92 <EPS-DILUTED> 0.92