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Sustainable Growth

Exelon Corporation is the nation's leading competitive energy provider, with approximately $23.5 billion in annual revenues. The Exelon family of companies participates in every stage of the energy business, from generation to competitive energy sales to transmission to delivery.

Headquartered in Chicago, Exelon has operations and business activities in 47 states, the District of Columbia and Canada. The company is one of the largest competitive U.S. power generators, with approximately 34,700 megawatts of owned capacity comprising one of the nation’s cleanest and lowest-cost power generation fleets. Its Constellation business unit provides energy products and services to approximately 100,000 business and public sector customers and approximately 1 million residential customers. Exelon’s utilities deliver electricity and natural gas to more than 6.6 million customers in central Maryland (BGE), northern Illinois (ComEd) and southeastern Pennsylvania (PECO). 

How We Rank

  • Exelon has been the top-ranked electric and gas utility on the FORTUNE 500 every year since 2008.
  • Fortune Magazine has recognized Exelon as one of the "World's Most Admired Companies" every year since 2006.
  • Exelon ranked No. 1 on Public Utilities Fortnightly's list of the 40 Best Energy Companies in 2013.

    View Awards & Recognition List

Key Stats for 2012

  • Operating Revenues   $23.5 billion
  • Assets   $79 billion
  • Employees   Approximately 26,000
  • Owned U.S. Generating Capacity   Approximately 34,700 megawatts
  • Electric and Natural Gas Delivery Customers   6.6 million


Chairman, Mayo A. Shattuck III

President & CEO, Christopher M. Crane

Exelon Management Team

Exelon Board of Directors

Family of Companies

Chart of the Exelon Family of Companies

Service Areas & Power Plant Host Communities

Guiding Principles

Driving Competition and Customer Choice

As the leading U.S. competitive energy provider, Exelon maintains a strategic presence in key competitive markets and believes that competition drives choice, innovation and savings for businesses and residential customers alike. The company champions competitive power markets as the best framework for meeting important economic and environmental policy objectives, including ensuring the nation’s shift to a cleaner energy supply in the most cost-effective manner.

Advancing Clean Energy

Exelon has one of the nation’s cleanest and lowest-cost power generation portfolios, with 55 percent nuclear, 28 percent natural gas and 10 percent hydro, wind, solar and other clean generation. In addition, Constellation provides customers with clean energy solutions including natural gas supply, solar energy solutions, energy efficiency services, load response and real-time energy management.

Exelon 2020, an industry-leading program designed to abate 17.5 million metric tons of greenhouse gas emissions per year by 2020, demonstrates the company's commitment to a clean energy future. Exelon had achieved more than 89 percent of its goal as of 2012.

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