Filed Under Rule 424(b)(2) Registration File No. 333-19263 PRICING SUPPLEMENT NO. 7 Dated November 12, 1997 to Prospectus dated January 6, 1997. BALTIMORE GAS AND ELECTRIC COMPANY Medium-Term Notes, Series E This Pricing Supplement describes our sale of Notes through Lehman Brothers, as agent. Principal Amount: $15,000,000 Interest Rate: 6.65% Original Issue Date: 11/14/97 Stated Maturity: 11/14/2008 Price to Public: $15,000,000 Agent's Commission: $90,000 Net Proceeds to Company: $14,910,000 CUSIP 05916M AG 8 We registered a total of $200,000,000 worth of Notes. So far, we have issued $161,500,000, including these $15,000,000. We still have $38,500,000 worth of Notes available to issue.