Filed Under Rule 424(b)(2) Registration File No. 333-19263 PRICING SUPPLEMENT NO. 6 Dated October 6, 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: $11,500,000 Interest Rate: 6.56% Original Issue Date: 10/08/97 Stated Maturity: 10/08/2009 Price to Public: $11,500,000 Agent's Commission: $69,000 Net Proceeds to Company: $11,431,000 We registered $200,000,000 of Notes. Including the $11,500,000 of Notes described above, we have issued $146,500,000, so $53,500,000 remains available for us to issue.