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Exelon operates the largest nuclear fleet in the nation and the third largest fleet in the world, with about 20 percent of the U.S. nuclear industry's power capacity.
Type:Publicly Traded Company
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).