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

                                        
<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
<PREFERRED-MANDATORY>                              101
<PREFERRED>                                         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
<PREFERRED-STOCK-CURRENT>                           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
<PREFERRED-STOCK-DIVIDENDS>                          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>