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

                                        
<PERIOD-TYPE>                              9-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               SEP-30-1999
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                       11,725
<OTHER-PROPERTY-AND-INVEST>                      1,196
<TOTAL-CURRENT-ASSETS>                           2,828
<TOTAL-DEFERRED-CHARGES>                         2,049
<OTHER-ASSETS>                                   2,640
<TOTAL-ASSETS>                                  20,438
<COMMON>                                         1,320
<CAPITAL-SURPLUS-PAID-IN>                        1,950
<RETAINED-EARNINGS>                              1,750
<TOTAL-COMMON-STOCKHOLDERS-EQ>                   5,020
<PREFERRED-MANDATORY>                              127
<PREFERRED>                                         42
<LONG-TERM-DEBT-NET>                             6,219
<SHORT-TERM-NOTES>                                 201
<LONG-TERM-NOTES-PAYABLE>                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                     509
<LONG-TERM-DEBT-CURRENT-PORT>                      978
<PREFERRED-STOCK-CURRENT>                            0
<CAPITAL-LEASE-OBLIGATIONS>                        443
<LEASES-CURRENT>                                    90
<OTHER-ITEMS-CAPITAL-AND-LIAB>                   6,809
<TOT-CAPITALIZATION-AND-LIAB>                   20,438
<GROSS-OPERATING-REVENUE>                        5,251
<INCOME-TAX-EXPENSE>                               226
<OTHER-OPERATING-EXPENSES>                       4,209
<TOTAL-OPERATING-EXPENSES>                       4,435
<OPERATING-INCOME-LOSS>                            816
<OTHER-INCOME-NET>                                   0
<INCOME-BEFORE-INTEREST-EXPEN>                     816
<TOTAL-INTEREST-EXPENSE>                           394
<NET-INCOME>                                       422
<PREFERRED-STOCK-DIVIDENDS>                          9<F1>
<EARNINGS-AVAILABLE-FOR-COMM>                      413
<COMMON-STOCK-DIVIDENDS>                           347
<TOTAL-INTEREST-ON-BONDS>                          137
<CASH-FLOW-OPERATIONS>                             748
<EPS-BASIC>                                      $2.14
<EPS-DILUTED>                                    $2.14
<FN>
<F1>Represents preferred stock dividend requirements of
subsidiaries; deducted before computation of net income.
</FN>