Pricing Supplement No. 18 Filing under Rule 424(b)(5) Dated 7/1/94 Registration File No. 33-31436 (To Prospectus dated May 6, 1994) $200 Million PECO Energy Company Collateralized Medium-Term Notes, Series A Principal Amount: $2.0 Million Interest Rate: 7.00% Stated Maturity: 7/11/97 Issue Price (as a percentage of principal amount): 100% Selling Agent's Commission (%): 0.35% Net proceeds to the Company (%): 99.65% Settlement Date (original issue date): 7/11/94 Additional terms: The Series A Notes are not callable prior to maturity. Selling Agent: Salomon Brothers Inc As of the date of this Pricing Supplement, the aggregate principal amount of the Series A Notes which have been sold is $199.2 million. s:\mtn\prisup18.grs