0001109357 2026-05-06 2026-05-06 0001109357 exc:PepcoHoldingsLLCMember 2026-05-06 2026-05-06 0001109357 exc:CommonwealthEdisonCoMember 2026-05-06 2026-05-06 0001109357 exc:AtlanticCityElectricCompanyMember 2026-05-06 2026-05-06 0001109357 exc:PotomacElectricPowerCompanyMember 2026-05-06 2026-05-06 0001109357 exc:PecoEnergyCoMember 2026-05-06 2026-05-06 0001109357 exc:DelmarvaPowerandLightCompanyMember 2026-05-06 2026-05-06 0001109357 exc:BaltimoreGasAndElectricCompanyMember 2026-05-06 2026-05-06 0001109357 stpr:DC exc:PotomacElectricPowerCompanyMember 2026-05-06 2026-05-06 0001109357 stpr:VA exc:PotomacElectricPowerCompanyMember 2026-05-06 2026-05-06 0001109357 stpr:DE exc:DelmarvaPowerandLightCompanyMember 2026-05-06 2026-05-06 0001109357 stpr:VA exc:DelmarvaPowerandLightCompanyMember 2026-05-06 2026-05-06 PA 10 South Dearborn Street P.O. Box 805379 Chicago IL 60680-5379 (800) 483-3220 IL 10 South Dearborn Street Chicago IL 60603-2300 (312) 394-4321 PA P.O. Box 8699 2301 Market Street Philadelphia PA 19101-8699 (215) 841-4000 Cumulative Preferred Security, Series D MD 2 Center Plaza 110 West Fayette Street Baltimore MD 21201-3708 (410) 234-5000 DE 701 Ninth Street, N.W. Washington DC 20068-0001 (202) 872-2000 DC VA 701 Ninth Street, N.W. Washington DC 20068-0001 (202) 872-2000 DE VA 500 North Wakefield Drive Newark DE 19702-5440 (202) 872-2000 NJ 500 North Wakefield Drive Newark DE 19702-5440 (202) 872-2000 false false false false false false false false 0001109357 0000022606 0000078100 0000009466 0001135971 0000079732 0000027879 0000008192 false false false false false false false false 8-K 8-K 8-K 8-K 8-K 8-K 8-K 8-K 2026-05-06 001-16169 EXELON CORPORATION 23-2990190 PA 10 South Dearborn Street P.O. Box 805379 Chicago IL 60680-5379 (800) 483-3220 001-01839 COMMONWEALTH EDISON COMPANY 36-0938600 IL 10 South Dearborn Street Chicago IL 60603-2300 (312) 394-4321 000-16844 PECO ENERGY COMPANY 23-0970240 PA 2301 Market Street P.O. Box 8699 Philadelphia PA 19101-8699 (215) 841-4000 001-01910 BALTIMORE GAS AND ELECTRIC COMPANY 52-0280210 MD 2 Center Plaza 110 West Fayette Street Baltimore MD 21201-3708 (410) 234-5000 001-31403 PEPCO HOLDINGS LLC 52-2297449 DE 701 Ninth Street, N.W. Washington DC 20068-0001 (202) 872-2000 001-01072 POTOMAC ELECTRIC POWER COMPANY 53-0127880 DC VA 701 Ninth Street, N.W. Washington DC 20068-0001 (202) 872-2000 001-01405 DELMARVA POWER & LIGHT COMPANY 51-0084283 DE VA 500 North Wakefield Drive Newark DE 19702-5440 (202) 872-2000 001-03559 ATLANTIC CITY ELECTRIC COMPANY 21-0398280 NJ 500 North Wakefield Drive Newark DE 19702-5440 (202) 872-2000 false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false Common Stock, without par value EXC NASDAQ false false false false false false false false