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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  

I got my first bill and was very happy with the charge it was what they said would be
I had a good experience when ordering thanks a bunch Rick from Newry PA

So far so good
So far so good. A.h. from Norcross GA

Single mom with kids
I am happy with the prices especially with all the cold weather. I recommend signing the two year agreement. For a low fee in the winter makes up for the service charge each month. Heather from Statham GA

4-5 Star Reviews: 358 (50%)