Certification

               Pursuant to 18 U.S.C. 1350, the undersigned officer of Allegheny Energy, Inc. (the "Company"), hereby certifies, to such officer's knowledge, that the Company's Quarterly Report on Form 10-Q for the quarter ended June 30, 2002 fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934 and that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: 08/14/02                                             /S/ ALAN J. NOIA

                                                                       Alan J. Noia
                                                                       Chief Executive Officer

Certification

               Pursuant to 18 U.S.C. 1350, the undersigned officer of Allegheny Energy, Inc. (the "Company"), hereby certifies, to such officer's knowledge, that the Company's Quarterly Report on Form 10-Q for the quarter ended June 30, 2002 fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934 and that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated:   08/14/02                                           /S/ BRUCE E. WALENCZYK

                                                                       Bruce E. Walenczyk
                                                                       Chief Financial Officer