<ARTICLE> UT
<CIK> 0000004904
<NAME> AMERICAN ELECTRIC POWER COMPANY, INC.
<MULTIPLIER> 1,000,000

                                        
<PERIOD-TYPE>                              9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               SEP-30-2000
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                       22,070
<OTHER-PROPERTY-AND-INVEST>                      5,117
<TOTAL-CURRENT-ASSETS>                           8,605
<TOTAL-DEFERRED-CHARGES>                         1,186
<OTHER-ASSETS>                                   3,540
<TOTAL-ASSETS>                                  40,518
<COMMON>                                         2,151
<CAPITAL-SURPLUS-PAID-IN>                        2,760
<RETAINED-EARNINGS>                              3,506
<TOTAL-COMMON-STOCKHOLDERS-EQ>                   8,417
<PREFERRED-MANDATORY>                              100
<PREFERRED>                                         61
<LONG-TERM-DEBT-NET>                            10,071
<SHORT-TERM-NOTES>                                 209
<LONG-TERM-NOTES-PAYABLE>                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                   4,166
<LONG-TERM-DEBT-CURRENT-PORT>                      753
<PREFERRED-STOCK-CURRENT>                            0
<CAPITAL-LEASE-OBLIGATIONS>                        369
<LEASES-CURRENT>                                   128
<OTHER-ITEMS-CAPITAL-AND-LIAB>                  16,244
<TOT-CAPITALIZATION-AND-LIAB>                   40,518
<GROSS-OPERATING-REVENUE>                       10,134
<INCOME-TAX-EXPENSE>                               348
<OTHER-OPERATING-EXPENSES>                       8,496
<TOTAL-OPERATING-EXPENSES>                       8,844
<OPERATING-INCOME-LOSS>                          1,290
<OTHER-INCOME-NET>                                  (5)
<INCOME-BEFORE-INTEREST-EXPEN>                   1,285
<TOTAL-INTEREST-EXPENSE>                           787
<NET-INCOME>                                       498
<PREFERRED-STOCK-DIVIDENDS>                          9<F1>
<EARNINGS-AVAILABLE-FOR-COMM>                      489
<COMMON-STOCK-DIVIDENDS>                           612
<TOTAL-INTEREST-ON-BONDS>                          229
<CASH-FLOW-OPERATIONS>                             528
<EPS-BASIC>                                       1.52
<EPS-DILUTED>                                     1.52
<FN>
<F1>Represents preferred stock dividend requirements of
subsidiaries; deducted before computation of net income.
</FN>