Exhibit 99.1



                            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 Reports of FirstEnergy Corp., Ohio Edison
Company, The Cleveland Electric Illuminating Company, The Toledo Edison Company,
Pennsylvania Power Company, Metropolitan Edison Company, and Pennsylvania
Electric Company ("Companies") on Form 10-Q for the period ending March 31, 2003
as filed with the Securities and Exchange Commission on the date hereof (the
"Reports"), I, H. Peter Burg, Chief Executive Officer of each of the Companies,
certify, pursuant to 18 U.S.C. ss. 1350, as adopted pursuant to ss. 906 of the
Sarbanes-Oxley Act of 2002, that:

     (1)   Each of the Reports 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 each of the Reports fairly presents, in
           all material respects, the financial condition and results of
           operations of the Company to which it relates.




                                               /s/H. Peter Burg H.
                                            -----------------------------
                                                  H. Peter Burg
                                               Chief Executive Officer
                                                    May 9, 2003


                                          144

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                                                                 Exhibit 99.2



                            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 Reports of FirstEnergy Corp., Ohio Edison
Company, The Cleveland Electric Illuminating Company, The Toledo Edison Company,
Pennsylvania Power Company, Jersey Central Power & Light Company, Metropolitan
Edison Company, and Pennsylvania Electric Company ("Companies") on Form 10-Q for
the period ending March 31, 2003 as filed with the Securities and Exchange
Commission on the date hereof (the "Reports"), I, Richard H. Marsh, Senior Vice
President and Chief Financial Officer of each of the Companies, certify,
pursuant to 18 U.S.C. ss. 1350, as adopted pursuant to ss. 906 of the
Sarbanes-Oxley Act of 2002, that:



     (1)   Each of the Reports 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 each of the Reports fairly presents,
           in all material respects, the financial condition and results of
           operations of the Company to which it relates.



                                               /s/Richard H. Marsh
                                            ---------------------------
                                                  Richard H. Marsh
                                             Senior Vice President and
                                               Chief Financial Officer
                                                    May 9, 2003


                                         145
<PAGE>


                                                                Exhibit 99.3



                            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 Jersey Central Power & Light Company
("Company") on Form 10-Q for the period ending March 31, 2003 as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I, Earl T.
Carey, President of the Company, certify, pursuant to 18 U.S.C. ss. 1350, as
adopted pursuant to ss. 906 of the Sarbanes-Oxley Act of 2002, that:

     (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/Earl T. Carey
                                          -----------------------------
                                                  Earl T. Carey
                                                   President
                                             (Chief Executive Officer)
                                                   May 9, 2003


                                        146
<PAGE>