Constellation
One of the largest retail electricity suppliers serving 2+ million customers in 16+ states. 90-day satisfaction guarantee on plans.
About Constellation
Constellation is one of the nation's largest retail electricity suppliers, serving over 2 million customers across 16+ states. Spun off from Exelon in 2022, Constellation offers a 90-day satisfaction guarantee on fixed-rate plans and operates nuclear power plants providing carbon-free electricity.
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