Constellation Energy Contact Customer Service Numbers

  1. Call at 1-866-237-7693

  2. Head Office Location: Baltimore, Maryland, United States
  3. Driving Direction: Follow the directions to locate Constellation Energy Contact
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What is Constellation Energy Contact in the Process of?

Constellation Energy Group also known as CEG was the Baltimore, Maryland based utility holding corporation which was engaged in production and distribution of energy in the zones of United States. With the customer base of 19,000, it provided Electricity and Natural gas services in around 31 states of the United States as well as in Three Canadian provinces.

Constellation Energy was one of the topmost electricity producer in the United States. It began its operation in the year of 1816 as a Gas Light Company of Baltimore. Later on, in April 2011, the operational rights of the company was given to an American Energy solutions providing company, Exelon Corporation under the certification of Federal Energy Regulatory Commission (FERC).