September 29, 1998 Via EDGAR Securities and Exchange Commission 450 5th Street, N.W. Washington, DC 20549 Re: Monongahela Power Company Registration Statement No. 333-31493 Dear Sirs: On behalf of Monongahela Power Company (the "Company"), enclosed herewith for filing pursuant to Rule 424(b)(2) of the Securities Act of 1933, as amended (the "Act"), is one copy of the Pricing Supplement, dated September 25, 1998, supplementing the Basic Prospectus dated July 31, 1997 and the Prospectus Supplement dated November 14, 1997, relating to the offering by the Company of $15,000,000 of unsecured Medium Term Notes. The copy of the Pricing Supplement has been marked in accordance with Rule 424(e) under the Act. Any questions with respect to this filing may be addressed to the undersigned at (724) 838-6770. Very truly yours, /s/ Carol G. Russ Carol G. Russ cc: Catherine A.Fisher (Securities and Exchange Commission) Thomas K. Henderson (Allegheny Energy, Inc.) Edward F. Petrosky Peter Carbone (Brown & Wood) Robert E. Buckholz Adam Kupitz (Sullivan & Cromwell)