Exhibit 99(b)

                                 CERTIFICATION

This Certification is being furnished and shall not be deemed "filed" for
purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or
otherwise subject to the liability of that section. This Certification shall not
be incorporated by reference into any registration statement or other document
pursuant to the Securities Act of 1933, except as otherwise stated in such
filing.


              Certification Pursuant to Section 1350 of Chapter 63
                      of Title 18 of the United States Code


I, Susan Tomasky, the chief financial officer of American Electric Power
Company, Inc. (the "Company"), certify that (i) the Annual Report of the Company
on Form 10-K/A for the year ended December 31, 2002 (the "Report") fully
complies with the requirements of Section 13(a) or 15(d) of the Securities
Exchange Act of 1934 and (ii) the information contained in the Report fairly
presents, in all material respects, the financial condition and results of
operations of the Company.


/s/ Susan Tomasky
Susan Tomasky
May 14, 2003


A signed original of this written statement required by Section 906 has been
provided to American Electric Power Company, Inc. and will be retained by
American Electric Power Company, Inc. and furnished to the Securities and
Exchange Commission or its staff upon request.