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Constellation Energy is one of the largest conglomerates in North America. They operate over 35 power plants in 11 states and are one of the leading competitive suppliers of electricity and natural gas, as well as Baltimore Gas & Electric, their regulated utility in central Maryland.

In 2012 Constellation was purchased by Exelon, which has business activities in 47 different states. Exelon is the largest competitive power generator in the United States and is the second largest electricity and natural gas supplier in America.

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Most Recent Constellation Reviews  

Good set up experience
The ordering, online account set up, and billing process was easy and convenient. Lazar Harris from Atlanta GA

Went back to them
Previously liked them ..a few years ago but the plan to reup wasn't back Julie from Pearland TX

very satisfied
easy, and fast John from Manchester NY

4-5 Star Reviews: 522 (54%)