<ARTICLE> UT <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-END> JUN-30-1997 <BOOK-VALUE> PER-BOOK <TOTAL-NET-UTILITY-PLANT> 10858 <OTHER-PROPERTY-AND-INVEST> 503 <TOTAL-CURRENT-ASSETS> 582 <TOTAL-DEFERRED-CHARGES> 3011 <OTHER-ASSETS> 437 <TOTAL-ASSETS> 15391 <COMMON> 3518 <CAPITAL-SURPLUS-PAID-IN> 1 <RETAINED-EARNINGS> 1154 <TOTAL-COMMON-STOCKHOLDERS-EQ> 4672 <PREFERRED-MANDATORY> 93 <PREFERRED> 199 <LONG-TERM-DEBT-NET> 3954 <SHORT-TERM-NOTES> 352 <LONG-TERM-NOTES-PAYABLE> 0 <COMMERCIAL-PAPER-OBLIGATIONS> 264 <LONG-TERM-DEBT-CURRENT-PORT> 256 <PREFERRED-STOCK-CURRENT> 0 <CAPITAL-LEASE-OBLIGATIONS> 119 <LEASES-CURRENT> 54 <OTHER-ITEMS-CAPITAL-AND-LIAB> 5692 <TOT-CAPITALIZATION-AND-LIAB> 15391 <GROSS-OPERATING-REVENUE> 2196 <INCOME-TAX-EXPENSE> 167 <OTHER-OPERATING-EXPENSES> 1644 <TOTAL-OPERATING-EXPENSES> 1811 <OPERATING-INCOME-LOSS> 385 <OTHER-INCOME-NET> 44 <INCOME-BEFORE-INTEREST-EXPEN> 429 <TOTAL-INTEREST-EXPENSE> 193 <NET-INCOME> 236 <PREFERRED-STOCK-DIVIDENDS> 9 <EARNINGS-AVAILABLE-FOR-COMM> 227 <COMMON-STOCK-DIVIDENDS> 223 <TOTAL-INTEREST-ON-BONDS> 160 <CASH-FLOW-OPERATIONS> 415 <EPS-PRIMARY> 1.02 <EPS-DILUTED> 1.02