Item 7 Exhibit 23 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Prospectuses constituting parts of the Registration Statements on Form S-8 (Numbers 33-36798, 33-53685 and 33-54197) and on Form S-3 (Numbers 33-58810 and 33-61379) of Potomac Electric Power Company and in the Joint Proxy Statement/Prospectus constituting part of the Registration Statement on Form S-4 of Constellation Energy Corporation of our report dated January 19, 1996 appearing on page 30 of Exhibit 99 of the Current Report on Form 8-K of Potomac Electric Power Company dated February 6, 1996. /s/ Price Waterhouse LLP Price Waterhouse LLP Washington, D.C. February 6, 1996