About Constellation, An Exelon Company
About Us

Making Energy Work For You 


Who We Are

Constellation is a leading competitive supplier of power, natural gas, renewable energy and energy management products and services for homes and businesses across the continental United States.
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Competitive Markets

Competitive energy markets help businesses, consumers and governments lower costs, reduce usage and become more environmentally sustainable. Learn more about competitive markets, the benefits of energy choice and how to advocate for it in your state.
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Do you want to work for the most dynamic energy company in the industry? If you have passion, want to deliver innovative energy solutions to customers, and make a difference in our communities, come work for us.
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News & Events

Find information about Constellation news and events.
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Areas We Serve

Do we serve your state? Click below to view our interactive map.

Use the interactive map to see if Constellation Energy services are available in your area

Learn More About Exelon Corporation

Constellation joined the Exelon family of companies in 2012.

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