Document

Exhibit 21.1


Exelon Corporation (50% and Greater) 12/31/2021

Subsidiary						Jurisdiction
2014 ESA HoldCo, LLC						Delaware
2014 ESA Project Company, LLC						Delaware
2015 ESA Holdco, LLC						Delaware
2015 ESA Investco, LLC						Delaware
2015 ESA Project Company, LLC						Delaware
A/C Fuels Company						Pennsylvania
AMP Funding, L.L.C.						Delaware
Annova LNG Brownsville A, LLC						Delaware
Annova LNG Common Infrastructure, LLC						Delaware
Annova LNG, LLC						Delaware
Annova LNG, LLC Series A						Delaware
Annova LNG, LLC Series Z						Delaware
APS Constellation, LLC						Delaware
Atlantic City Electric Company						New Jersey
Atlantic City Electric Transition Funding LLC						Delaware
Atlantic Generation, Inc.						New Jersey
Atlantic Southern Properties, Inc.						New Jersey
ATNP Finance Company						Delaware
AV Solar Ranch 1, LLC						Delaware
AVSR Holding, LLC						Delaware
Baltimore Gas and Electric Company						Maryland
Beebe 1B Renewable Energy, LLC						Delaware
Beebe Renewable Energy, LLC						Delaware
Bennett Creek Windfarm, LLC						Idaho
Bethlehem Renewable Energy, LLC						Delaware
BGE Home Products & Services, LLC						Delaware
Big Top, LLC						Oregon
Blue Breezes II, L.L.C.						Minnesota
Blue Breezes, L.L.C.						Minnesota
Bluestem Wind Energy Holdings, LLC						Delaware
Bluestem Wind Energy Member Holdings, LLC						Delaware
Bluestem Wind Energy Member, LLC						Delaware
Bluestem Wind Energy, LLC						Delaware
Breakerbox, LLC						Pennsylvania
Butter Creek Power, LLC						Oregon
Calvert Cliffs Nuclear Power Plant, LLC						Maryland
Cassia Gulch Wind Park LLC						Idaho
Cassia Wind Farm LLC						Idaho
CD Panther I, Inc.						Maryland
CD Panther II, LLC						Delaware
CD Panther Partners, L.P.						Delaware
CD SEGS V, Inc.						Maryland
CD SEGS VI, Inc.						Maryland
CE Culm, Inc.						Maryland
CE FundingCo, LLC						Delaware

Exhibit 21.1


CE Nuclear, LLC						Delaware
CER Generation, LLC						Delaware
CEU Arkoma West, LLC						Delaware
CEU CoLa, LLC						Delaware
CEU East Fort Peck, LLC						Delaware
CEU Fayetteville, LLC						Delaware
CEU Floyd Shale, LLC						Delaware
CEU Holdings, LLC						Delaware
CEU Huntsville, LLC						Delaware
CEU Kingston, LLC						Delaware
CEU Niobrara, LLC						Delaware
CEU Ohio Shale, LLC						Delaware
CEU Paradigm, LLC						Delaware
CEU Pinedale, LLC						Delaware
CEU Plymouth, LLC						Delaware
CEU Simplicity, LLC						Delaware
CEU W&D, LLC						Delaware
Chesapeake HVAC, Inc.						Delaware
CII Solarpower I, Inc.						Maryland
Clean Jobs for Pennsylvania, LLC						Delaware
Clinton Battery Utility, LLC						Delaware
CNE Gas Holdings, LLC						Kentucky
CNEG Holdings, LLC						Delaware
CNEGH Holdings, LLC						Delaware
CoLa Resources LLC						Delaware
Colorado Bend II Power, LLC						Delaware
Colorado Bend Services, LLC						Delaware
ComEd Financing III						Delaware
Commonwealth Edison Company						Illinois
Commonwealth Edison Company of Indiana, Inc.						Indiana
Conectiv Communications, Inc.						Delaware
Conectiv Energy Supply, Inc.						Delaware
Conectiv Properties and Investments, Inc.						Delaware
Conectiv Solutions LLC						Delaware
Conectiv, LLC						Delaware
Constellation Connect, LLC						Delaware
Constellation EG, LLC						Delaware
Constellation Energy Canada, Inc.						Ontario
Constellation Energy Commodities Group Maine, LLC						Delaware
Constellation Energy Corporation						Pennsylvania
Constellation Energy Gas Choice, LLC						Delaware
Constellation Energy Nuclear Group, LLC						Maryland
Constellation Energy Power Choice, LLC						Delaware
Constellation Energy Resources, LLC						Delaware
Constellation Energy Solutions, LLC						Delaware
Constellation Energy Upstream Holdings, LLC						Delaware
Constellation Holdings, LLC						Maryland
Constellation LNG, LLC						Delaware
Constellation Mystic Power, LLC						Delaware

Exhibit 21.1


Constellation NewEnergy - Gas Division, LLC						Kentucky
Constellation NewEnergy, Inc.						Delaware
Constellation Nuclear Power Plants, LLC						Delaware
Constellation Nuclear, LLC						Delaware
Constellation Power Source Generation, LLC						Maryland
Constellation Power, Inc.						Maryland
Constellation Solar Horizons, LLC						Delaware
Constellation Solar New Jersey III, LLC						Delaware
Constellation Texas Land Company, LLC						Delaware
Continental Wind Holding, LLC						Delaware
Continental Wind, LLC						Delaware
COSI Central Wayne, Inc.						Maryland
COSI Sunnyside, Inc.						Maryland
Cow Branch Wind Power, L.L.C.						Missouri
CP Sunnyside I, Inc.						Maryland
CP Windfarm, LLC						Minnesota
CR Clearing, LLC						Missouri
Criterion Power Partners, LLC						Delaware
Data Center Enterprise, LLC						Delaware
DE Asset Operations, LLC						Delaware
Delaware Operating Services Company, LLC						Delaware
Delmarva Power & Light Company						Delaware & Virginia
Denver Airport Solar, LLC						Delaware
Distrigas of Massachusetts LLC						Delaware
E&W Development Corporation						Florida
EdiSun, LLC						Delaware
ETT Canada, Inc.						New Brunswick
Everett LNG LLC						Delaware
Exelon AVSR, LLC						Delaware
Exelon Business Services Company, LLC						Delaware
Exelon Clearsight, LLC						Delaware
Exelon Energy Delivery Company, LLC						Delaware
Exelon Enterprises Company, LLC						Pennsylvania
Exelon FitzPatrick, LLC						Delaware
Exelon Framingham, LLC						Delaware
Exelon Fulton, LLC						Delaware
Exelon Generation Acquisitions, LLC						Delaware
Exelon Generation Company, LLC						Pennsylvania
Exelon Generation Consolidation, LLC						Illinois
Exelon Generation Finance Company, LLC						Delaware
Exelon Generation Limited						United Kingdom
Exelon Generation Services, LLC						Delaware
Exelon Generation Supply, LLC						Delaware
Exelon Genesis, LLC						Delaware
Exelon InQB8R, LLC						Delaware
Exelon Mechanical, LLC						Delaware
Exelon Microgrid, LLC						Delaware
Exelon New Boston, LLC						Delaware
Exelon New England Holdings, LLC						Delaware

Exhibit 21.1


Exelon Nuclear Partners, LLC						Delaware
Exelon Nuclear Security, LLC						Delaware
Exelon PowerLabs, LLC						Pennsylvania
Exelon Transmission Company, LLC						Delaware
Exelon VTI, LLC						Delaware
Exelon West Medway, LLC						Delaware
Exelon Wind 1, LLC						Texas
Exelon Wind 2, LLC						Texas
Exelon Wind 3, LLC						Texas
Exelon Wind Canada Inc.						Canada
Exelon Wind, LLC						Delaware
Exelon Wyman, LLC						Delaware
Exelorate Enterprises, LLC						Delaware
Ex-FM, Inc.						New York
Ex-FME, Inc.						Delaware
ExGen Energy, S. de R.L. de C.V.						Mexico
ExGen Handley Power, LLC						Delaware
ExGen Renewables Holdings II, LLC						Delaware
ExGen Renewables Holdings, LLC						Delaware
ExGen Renewables I Holding, LLC						Delaware
ExGen Renewables I, LLC						Delaware
ExGen Renewables IV Holding, LLC						Delaware
ExGen Renewables IV, LLC						Delaware
ExGen Renewables Partners, LLC						Delaware
ExGen Texas II Power Holdings, LLC						Delaware
ExGen Texas II Power, LLC						Delaware
ExGen Texas Power Services, LLC						Delaware
ExGen Ventures International Holdings II Limited						United Kingdom
ExGen Ventures International Holdings Limited						United Kingdom
ExTel Corporation, LLC						Delaware
F & M Holdings Company, L.L.C.						Delaware
Fair Wind Power Partners, LLC						Delaware
Fauquier Landfill Gas, L.L.C.						Delaware
Four Corners Windfarm, LLC						Oregon
Four Mile Canyon Windfarm, LLC						Oregon
Fourmile Wind Energy, LLC						Maryland
Friendly Skies, Inc.						Virgin Islands (U.S.)
Grande Prairie Generation, Inc.						Alberta
Greensburg Wind Farm, LLC						Delaware
Handsome Lake Energy, LLC						Maryland
Harvest II Windfarm, LLC						Delaware
Harvest Windfarm, LLC						Michigan
High Mesa Energy, LLC						Idaho
High Plains Wind Power, LLC						Texas
Hot Springs Windfarm, LLC						Idaho
JExel Nuclear Company						Japan
Lake Houston Power, LLC						Delaware
Loess Hills Wind Farm, LLC						Missouri
Michigan Wind 1, LLC						Delaware

Exhibit 21.1


Michigan Wind 2, LLC						Delaware
Michigan Wind 3, LLC						Delaware
Millennium Account Services, LLC						Delaware
Minergy LLC						Wisconsin
Mountain Top Wind Power, LLC						Maryland
NewEnergy Receivables LLC						Delaware
Nine Mile Point Nuclear Station, LLC						Delaware
North Shore District Energy, LLC						Delaware
Northwind Thermal Technologies Canada Inc.						New Brunswick
Oregon Trail Windfarm, LLC						Oregon
Pacific Canyon Windfarm, LLC						Oregon
Panther Creek Holdings, Inc.						Delaware
Panther Creek Partners						Delaware
PCI - BT Investing, L.L.C.						Delaware
PCI Air Management Corporation						Nevada
PCI Air Management Partners, L.L.C.						Delaware
PEC Financial Services, LLC						Pennsylvania
PECO Energy Capital Corp.						Delaware
PECO Energy Capital Trust III						Delaware
PECO Energy Capital Trust IV						Delaware
PECO Energy Capital, L.P.						Delaware
PECO Energy Company						Pennsylvania
PECO Wireless, LLC						Delaware
Pegasus Power Company, Inc.						California
Pepco Building Services Inc.						Delaware
Pepco Holdings LLC						Delaware
PH Holdco LLC						Delaware
PHI Service Company						Delaware
Pinedale Energy, LLC						Colorado
Potomac Capital Investment Corporation						Delaware
Potomac Delaware Leasing Corporation						Delaware
Potomac Electric Power Company						District of Columbia & Virginia
Potomac Leasing Associates, L.P.						Delaware
R.E. Ginna Nuclear Power Plant, LLC						Maryland
Ramp Investments, L.L.C.						Delaware
Renewable Power Generation Holdings, LLC						Delaware
Renewable Power Generation, LLC						Delaware
RF HoldCo LLC						Delaware
RITELine Illinois, LLC						Illinois
RITELine Transmission Development, LLC						Delaware
Rolling Hills Landfill Gas, LLC						Delaware
Sacramento PV Energy, LLC						Delaware
Sand Ranch Windfarm, LLC						Oregon
Scherer Holdings 1, LLC						Delaware
Scherer Holdings 2, LLC						Delaware
Scherer Holdings 3, LLC						Delaware
Sendero Wind Energy, LLC						Delaware
Shooting Star Wind Project, LLC						Delaware
Sky Valley, LLC						Delaware

Exhibit 21.1


Sugar Beet Wind, LLC						Delaware
Sunbeam LeaseCo, LLC						Delaware
Threemile Canyon Wind I, LLC						Oregon
Titan STC, LLC						Delaware
Tuana Springs Energy, LLC						Idaho
UII, LLC						Illinois
V.G. Investment Holdings, LLC						Delaware
Volta SPV CMX, LLC						Delaware
Volta SPV NTR, LLC						Delaware
Volta SPV RSL, LLC						Delaware
W&D Gas Partners, LLC						Delaware
Wagon Trail, LLC						Oregon
Wansley Holdings 1, LLC						Delaware
Wansley Holdings 2, LLC						Delaware
Ward Butte Windfarm, LLC						Oregon
West Medway II Holdings, LLC						Delaware
West Medway II, LLC						Delaware
Whitetail Wind Energy, LLC						Delaware
Wildcat Finance, LLC						Delaware
Wildcat Wind LLC						New Mexico
Wind Capital Holdings, LLC						Missouri
Wolf Hollow II Power, LLC						Delaware
Wolf Hollow Services, LLC						Delaware