Exhibit 23-4 CONSENT OF INDEPENDENT ACCOUNTANTS ---------------------------------- We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (File Nos. 333-57640, 333-84446 and 333-108546), on Form S-4 (File No. 333-37082) and on Form S-8 (File Nos. 333-61390 and 333-49780) of Exelon Corporation and Subsidiary Companies of our report dated January 29, 2003 relating to the financial statement schedule of Exelon Corporation, which appears in this Form 10-K/A. PricewaterhouseCoopers LLP Chicago, Illinois December 11, 2003