EXHIBIT 32.1



                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of FirstEnergy Corp., ("Company") on
Form 10-Q/A for the period ending March 31, 2003 as filed with the Securities
and Exchange Commission on the date hereof (the "Report"), each undersigned
officer of the Company does hereby, certify, pursuant to 18 U.S.C. ss. 1350, as
adopted pursuant to ss. 906 of the Sarbanes-Oxley Act of 2002, that to the best
of his knowledge:

     (1)  The Report fully complies with the requirements of section 13(a) or
          15(d) of the Securities Exchange Act of 1934; and

     (2)  The information contained in the Report fairly presents, in all
          material respects, the financial condition and results of operations
          of the Company.



                                                   /s/ H. Peter Burg
                                       ----------------------------------------
                                                       H. Peter Burg
                                                 Chief Executive Officer
                                                    September 11, 2003



                                                  /s/ Richard H. Marsh
                                       ----------------------------------------
                                                      Richard H. Marsh
                                                Chief Financial Officer
                                                   September 11, 2003




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