<TABLE> <S> <C>
<ARTICLE> UT
<CIK> 0000073986
<NAME> OHIO POWER COMPANY
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> SEP-30-2000
<BOOK-VALUE> PER-BOOK
<TOTAL-NET-UTILITY-PLANT> 2,764,155
<OTHER-PROPERTY-AND-INVEST> 322,979
<TOTAL-CURRENT-ASSETS> 1,031,926
<TOTAL-DEFERRED-CHARGES> 36,760
<OTHER-ASSETS> 655,575
<TOTAL-ASSETS> 4,811,395
<COMMON> 321,201
<CAPITAL-SURPLUS-PAID-IN> 462,483
<RETAINED-EARNINGS> 515,001
<TOTAL-COMMON-STOCKHOLDERS-EQ> 1,298,685
8,850
16,648
<LONG-TERM-DEBT-NET> 1,078,952
<SHORT-TERM-NOTES> 0
<LONG-TERM-NOTES-PAYABLE> 0
<COMMERCIAL-PAPER-OBLIGATIONS> 0
<LONG-TERM-DEBT-CURRENT-PORT> 120,476
0
<CAPITAL-LEASE-OBLIGATIONS> 86,770
<LEASES-CURRENT> 34,433
<OTHER-ITEMS-CAPITAL-AND-LIAB> 2,166,581
<TOT-CAPITALIZATION-AND-LIAB> 4,811,395
<GROSS-OPERATING-REVENUE> 1,668,434
<INCOME-TAX-EXPENSE> 110,578
<OTHER-OPERATING-EXPENSES> 1,316,123
<TOTAL-OPERATING-EXPENSES> 1,426,701
<OPERATING-INCOME-LOSS> 241,733
<OTHER-INCOME-NET> (12,162)
<INCOME-BEFORE-INTEREST-EXPEN> 229,571
<TOTAL-INTEREST-EXPENSE> 66,937
<NET-INCOME> 162,634
951
<EARNINGS-AVAILABLE-FOR-COMM> 161,683
<COMMON-STOCK-DIVIDENDS> 234,110
<TOTAL-INTEREST-ON-BONDS> 17,200
<CASH-FLOW-OPERATIONS> 548,718
<EPS-BASIC> 0<F1>
<EPS-DILUTED> 0<F1>
<FN>
<F1> All common stock owned by parent company; no EPS required.
</FN>
</TABLE>
