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

                                        
<PERIOD-TYPE>                              3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               MAR-31-2000
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                       13,019
<OTHER-PROPERTY-AND-INVEST>                      2,765
<TOTAL-CURRENT-ASSETS>                           3,575
<TOTAL-DEFERRED-CHARGES>                           341
<OTHER-ASSETS>                                   2,202
<TOTAL-ASSETS>                                  21,902
<COMMON>                                         1,320
<CAPITAL-SURPLUS-PAID-IN>                        1,924
<RETAINED-EARNINGS>                              1,728
<TOTAL-COMMON-STOCKHOLDERS-EQ>                   4,972
<PREFERRED-MANDATORY>                              119
<PREFERRED>                                         44
<LONG-TERM-DEBT-NET>                             6,239
<SHORT-TERM-NOTES>                                 261
<LONG-TERM-NOTES-PAYABLE>                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                     857
<LONG-TERM-DEBT-CURRENT-PORT>                      978
<PREFERRED-STOCK-CURRENT>                            0
<CAPITAL-LEASE-OBLIGATIONS>                        382
<LEASES-CURRENT>                                   127
<OTHER-ITEMS-CAPITAL-AND-LIAB>                   7,923
<TOT-CAPITALIZATION-AND-LIAB>                   21,902
<GROSS-OPERATING-REVENUE>                        1,746
<INCOME-TAX-EXPENSE>                                63
<OTHER-OPERATING-EXPENSES>                       1,443
<TOTAL-OPERATING-EXPENSES>                       1,506
<OPERATING-INCOME-LOSS>                            240
<OTHER-INCOME-NET>                                   3
<INCOME-BEFORE-INTEREST-EXPEN>                     243
<TOTAL-INTEREST-EXPENSE>                           136
<NET-INCOME>                                       107
<PREFERRED-STOCK-DIVIDENDS>                          3<F1>
<EARNINGS-AVAILABLE-FOR-COMM>                      104
<COMMON-STOCK-DIVIDENDS>                           116
<TOTAL-INTEREST-ON-BONDS>                           40
<CASH-FLOW-OPERATIONS>                             288
<EPS-BASIC>                                    $0.53
<EPS-DILUTED>                                    $0.53
<FN>
<F1>Represents preferred stock dividend requirements of
subsidiaries; deducted before computation of net income.
</FN>