<TABLE> <S> <C>
<ARTICLE> UT
<CIK>0000092487
<NAME> SOUTHWESTERN ELECTRIC POWER COMPANY
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-2000
<BOOK-VALUE> PER-BOOK
<TOTAL-NET-UTILITY-PLANT> 1,857,589
<OTHER-PROPERTY-AND-INVEST> 38,436
<TOTAL-CURRENT-ASSETS> 157,182
<TOTAL-DEFERRED-CHARGES> 35,103
<OTHER-ASSETS> 52,450
<TOTAL-ASSETS> 2,140,760
<COMMON> 135,660
<CAPITAL-SURPLUS-PAID-IN> 245,000
<RETAINED-EARNINGS> 278,881
<TOTAL-COMMON-STOCKHOLDERS-EQ> 659,541
0
4,704
<LONG-TERM-DEBT-NET> 605,527
<SHORT-TERM-NOTES> 63,242
<LONG-TERM-NOTES-PAYABLE> 150,000
<COMMERCIAL-PAPER-OBLIGATIONS> 0
<LONG-TERM-DEBT-CURRENT-PORT> 595
0
<CAPITAL-LEASE-OBLIGATIONS> 0
<LEASES-CURRENT> 0
<OTHER-ITEMS-CAPITAL-AND-LIAB> 657,151
<TOT-CAPITALIZATION-AND-LIAB> 2,140,760
<GROSS-OPERATING-REVENUE> 484,565
<INCOME-TAX-EXPENSE> 8,287
<OTHER-OPERATING-EXPENSES> 420,251
<TOTAL-OPERATING-EXPENSES> 428,538
<OPERATING-INCOME-LOSS> 56,027
<OTHER-INCOME-NET> 445
<INCOME-BEFORE-INTEREST-EXPEN> 56,472
<TOTAL-INTEREST-EXPENSE> 30,023
<NET-INCOME> 26,449
114
<EARNINGS-AVAILABLE-FOR-COMM> 26,335
<COMMON-STOCK-DIVIDENDS> 31,000
<TOTAL-INTEREST-ON-BONDS> 17,765
<CASH-FLOW-OPERATIONS> 71,071
<EPS-BASIC> 0.00<F1>
<EPS-DILUTED> 0.00<F1>
<FN>
<F1> ALL COMMON STOCK OWNED BY PARENT COMPANY; NO EPS REQUIRED.
</FN>
</TABLE>
