2/21/24 Exelon Corp. 10-K 12/31/23 322:89M Atlantic City Electric Co. Baltimore Gas & Electric Co. Commonwealth Edison Co. Delmarva Power & Light Co./DE Peco Energy Co. Pepco Holdings LLC Potomac Electric Power Co. 2/14/23 Exelon Corp. 10-K 12/31/22 279:68M Atlantic City Electric Co. Baltimore Gas & Electric Co. Commonwealth Edison Co. Delmarva Power & Light Co./DE Peco Energy Co. Pepco Holdings LLC Potomac Electric Power Co. 2/25/22 Exelon Corp. 10-K 12/31/21 313:198M Atlantic City Electric Co. Baltimore Gas & Electric Co. Commonwealth Edison Co. Delmarva Power & Light Co./DE Peco Energy Co. Pepco Holdings LLC Potomac Electric Power Co. 2/24/21 Exelon Corp. 10-K 12/31/20 310:85M Atlantic City Electric Co. Baltimore Gas & Electric Co. Commonwealth Edison Co. Delmarva Power & Light Co./DE Exelon Generation Co. LLC Peco Energy Co. Pepco Holdings LLC Potomac Electric Power Co.