Exhibit 23 CONSENT OF INDEPENDENT ACCOUNTANTS ---------------------------------- We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 and Form S-8 (File Nos. 333-75217, 333-59601, 33-57658, 333-24705, and 33-49801 and 333-45051, 33-59545, and 33-56084, respectively) of Constellation Energy Group, Inc. and Form S-3 (File No. 333-66015) of Baltimore Gas and Electric Company of our report dated January 19, 2000 relating to the financial statements which appear in this Form 8-K. /s/ PricewaterhouseCoopers LLP - --------------------------------- PricewaterhouseCoopers LLP Baltimore, Maryland February 15, 2000