<ARTICLE> UT <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1995 <PERIOD-END> MAR-31-1995 <BOOK-VALUE> PER-BOOK <TOTAL-NET-UTILITY-PLANT> 5,375,281 <OTHER-PROPERTY-AND-INVEST> 59,387 <TOTAL-CURRENT-ASSETS> 407,319 <TOTAL-DEFERRED-CHARGES> 72,889 <OTHER-ASSETS> 715,202 <TOTAL-ASSETS> 6,630,078 <COMMON> 510,619 <CAPITAL-SURPLUS-PAID-IN> 717,669 <RETAINED-EARNINGS> 1,013,382 <TOTAL-COMMON-STOCKHOLDERS-EQ> 2,241,670 <PREFERRED-MANDATORY> 650 <PREFERRED> 218,497 <LONG-TERM-DEBT-NET> 1,730,589 <SHORT-TERM-NOTES> 0 <LONG-TERM-NOTES-PAYABLE> 0 <COMMERCIAL-PAPER-OBLIGATIONS> 0 <LONG-TERM-DEBT-CURRENT-PORT> 43,000 <PREFERRED-STOCK-CURRENT> 26 <CAPITAL-LEASE-OBLIGATIONS> 53,255 <LEASES-CURRENT> 28,893 <OTHER-ITEMS-CAPITAL-AND-LIAB> 2,313,498 <TOT-CAPITALIZATION-AND-LIAB> 6,630,078 <GROSS-OPERATING-REVENUE> 447,115 <INCOME-TAX-EXPENSE> 23,860 <OTHER-OPERATING-EXPENSES> 355,949 <TOTAL-OPERATING-EXPENSES> 379,809 <OPERATING-INCOME-LOSS> 67,306 <OTHER-INCOME-NET> 2,538 <INCOME-BEFORE-INTEREST-EXPEN> 69,844 <TOTAL-INTEREST-EXPENSE> 31,620 <NET-INCOME> 38,224 <PREFERRED-STOCK-DIVIDENDS> 3,313 <EARNINGS-AVAILABLE-FOR-COMM> 34,911 <COMMON-STOCK-DIVIDENDS> 62,295 <TOTAL-INTEREST-ON-BONDS> 114,508 <CASH-FLOW-OPERATIONS> 199,919 <EPS-PRIMARY> .34 <EPS-DILUTED> .34