Pricing Supplement Dated September 22, 1998 Rule 424(b) (2) (To Prospectus dated July 31, 1997, and File No. 333-31493 Prospectus Supplement dated November 14,1997) MONONGAHELA POWER COMPANY Medium-Term Notes - Fixed Rate Principal Amount: $1,975,000 Interest Rate: 5.71% Agents Discount or Commission: .50% Stated Maturity Date: 09/25/2003 Nets Proceeds to Issuer: $1,965,125 Original Issue Date: 09/25/1998 Interest Payment Date(s): March 1 and September 1 Redemption: : X The Notes cannot be redeemed prior to the Stated Maturity Date. : The Notes may be redeemed prior to the Stated Maturity Date. Initial Redemption Date: Initial Redemption Percentage: ______% Annual Redemption Percentage Reduction: ____% until Redemption Percentage is 100% of the Principal Amount. Optional Repayment: : X The Notes cannot be repaid prior to the Stated Maturity Date : The Notes can be repaid prior to the Stated Maturity Date at the option of the holder of the Notes. Optional Repayment Date(s): Repayment Price: ______ % Currency: Specified Currency: ____________US____________ (If other than U.S. dollars, see attached) Minimum Denominations: ________________ (Applicable only if Specified Currency is other than U.S. dollars) Original Issue Discount: : Yes : No X Total Amount of OID: Yield to Maturity: Initial Accrual Period: Issue Price: ____% Form: X: Book-Entry : Certificated Agent: Goldman Sachs Agent acting in the capacity as indicated below: X: Agent Principal If as principal: : The Notes are being offered at varying prices related to prevailing market prices at the time of resale. : The Notes are being offered at a fixed initial public offering price of % of Principal Amount. If as Agent: The Notes are being offered at a fixed initial public offering price of 100% of Principal Amount. Other Provisions: Unsecured