<TABLE> <S> <C>
<ARTICLE> UT
<CIK> 0000004904
<NAME> AMERICAN ELECTRIC POWER COMPANY, INC.
<MULTIPLIER> 1,000,000
<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> 21,954
<OTHER-PROPERTY-AND-INVEST> 5,164
<TOTAL-CURRENT-ASSETS> 9,216
<TOTAL-DEFERRED-CHARGES> 436
<OTHER-ASSETS> 3,629
<TOTAL-ASSETS> 40,399
<COMMON> 2,151
<CAPITAL-SURPLUS-PAID-IN> 2,761
<RETAINED-EARNINGS> 3,342
<TOTAL-COMMON-STOCKHOLDERS-EQ> 8,254
101
62
<LONG-TERM-DEBT-NET> 10,071
<SHORT-TERM-NOTES> 52
<LONG-TERM-NOTES-PAYABLE> 0
<COMMERCIAL-PAPER-OBLIGATIONS> 4,064
<LONG-TERM-DEBT-CURRENT-PORT> 711
18
<CAPITAL-LEASE-OBLIGATIONS> 379
<LEASES-CURRENT> 127
<OTHER-ITEMS-CAPITAL-AND-LIAB> 16,560
<TOT-CAPITALIZATION-AND-LIAB> 40,399
<GROSS-OPERATING-REVENUE> 6,213
<INCOME-TAX-EXPENSE> 129
<OTHER-OPERATING-EXPENSES> 5,454
<TOTAL-OPERATING-EXPENSES> 5,583
<OPERATING-INCOME-LOSS> 630
<OTHER-INCOME-NET> 23
<INCOME-BEFORE-INTEREST-EXPEN> 653
<TOTAL-INTEREST-EXPENSE> 516
<NET-INCOME> 137
6<F1>
<EARNINGS-AVAILABLE-FOR-COMM> 131
<COMMON-STOCK-DIVIDENDS> 419
<TOTAL-INTEREST-ON-BONDS> 155
<CASH-FLOW-OPERATIONS> 375
<EPS-BASIC> $0.41
<EPS-DILUTED> $0.41
<FN>
<F1>
Represents preferred stock dividend requirements of
subsidiaries; deducted before computation of net income.
</FN>
</TABLE>
