Constellation, an Exelon company, is one of the leading competitive energy suppliers in the United States, providing natural gas, solar, energy management, and more to over 2.5 million residential, public sector and small businesses, and 100,000 larger commercial businesses.
Constellation focuses on providing integrated energy solutions — from electricity and natural gas procurement and renewable energy supply to energy efficiency and supplies energy solutions.
Today, Constellation Energy offers energy solutions to residential customers, as well as small businesses, commercial businesses, government, and wholesale energy supply.
Registered with Zentility
November 2015
Service Type
Service Areas
Contact
Telephone: 844-6-ENERGY
Telephone: 866-917-8271
Telephone: 877-677-4355
Telephone: 855-465-1244
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