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A multi-regional and diverse company

Exelon is a multi-regional, diverse company with thousands of employees across the United States.  Headquartered in Chicago, Exelon has strong positions in the Midwest and Mid-Atlantic and now operates in 47 states, the District of Columbia and Canada.

Through our merger with Constellation, Exelon is one of the largest competitive suppliers of clean electricity, gas, and other products and services to commercial, industrial and residential customers.  Exelon is also one of the largest regulated distributors of electricity and gas, with 6.6 million customers in Maryland, Illinois, and Pennsylvania.

Illinois

Learn more about Exelon in Illinois.

  • Exelon Corporate headquarters in downtown Chicago
  •  Exelon Nuclear headquarters in Warrenville
  •  ComEd electric delivery area in northern Illinois
  •  ComEd headquarters in Chicago
  •  Braidwood Generating Station - Nuclear
  •  Byron Generating Station - Nuclear
  •  Clinton Power Station - Nuclear
  •  Dresden Generating Station - Nuclear
  •  LaSalle County Generating Station - Nuclear
  •  Quad Cities Generating Station - Nuclear

Pennsylvania

Learn more about Exelon in Pennsylvania.

  •  PECO electric and gas delivery area in southeastern Pennsylvania
  •  PECO headquarters in Philadelphia
  •  Exelon Generation and Power Team offices in Kennett Square
  •  Limerick Generating Station - Nuclear
  •  Peach Bottom Atomic Power Station - Nuclear
  •  Three Mile Island - Nuclear
  •  Eddystone Generating Station - Fossil
  •  Cromby Generating Station - Fossil
  •  Scullyhill Generating Station - Oil
  •  Fairless Hills - Landfill Gas; Solar; Education Center
  •  Muddy Run Pumped Storage Facility - Hydro

Texas

Learn more about Exelon in Texas.

  • Handley Generating Station - Gas  
  •  Mountain Creek Generating Station - Gas  
  •  ExTex LaPorte Generating Station - Gas

New Jersey

Learn more about Exelon in New Jersey.

  • Oyster Creek Generating Station - Nuclear

Maryland

Learn more about Exelon in Maryland.

  • BGE headquarters in Baltimore
  • Constellation headquarters in Baltimore
  • Conowingo Hydroelectric Generating Station - Hydro

Massachusetts

Learn more about Exelon in Massachusetts.

  • Framingham Generating Station - Fossil
  • West Medway Generating Station - Fossil

Iowa

Learn more about Exelon in Iowa.

  • Exelon Wind headquarters in West Des Moines
Locations