Constellation News & Events
News & Events
May 21, 2012
Brand Identity for MXenergy Will Change to Constellation Beginning June 1
Expansion of Constellation brand, reliability, customer service part of 2011 acquisition of MXenergy

BALTIMORE (May 21, 2012) – Constellation Energy, a leading national competitive energy supplier, today announced the brand identity for MXenergy, a residential and small business energy provider Constellation acquired a year ago, will transition to the Constellation brand name, effective June 1, 2012.

The change means that approximately half a million MXenergy customers in 15 states will receive their superior customer care under the Constellation brand, as planned when Constellation closed the acquisition of MXenergy on July 1, 2011.

"We are pleased to welcome MXenergy customers to the Constellation brand and offer them our trusted customer service and reliability," said Mark Huston, senior vice president of Constellation's retail business.

MXenergy customers began receiving letters notifying them of the brand change in late April. Customers will continue to receive the same terms, conditions and rates. More information is available at or customers may call 866-246-6731.

MXenergy has notified state regulators and the North American Electric Reliability Corporation of the brand change.

Constellation provides power, natural gas and energy products and services to homes and businesses. Constellation's retail business serves more than 1 million residential and about 100,000 business and public sector customers. Constellation demonstrates its commitment to environmental stewardship and a clean energy future by delivering innovative energy solutions that help customers manage energy use, reduce greenhouse gas emissions and utilize sources of renewable energy.

About Exelon

Exelon Corporation (NYSE:EXC) is the nation's leading competitive energy provider, with approximately $33 billion in annual revenues. Headquartered in Chicago, Exelon has operations and business activities in 47 states, the District of Columbia and Canada. Exelon is the largest competitive U.S. power generator, with approximately 35,000 megawatts of owned capacity comprising one of the nation's cleanest and lowest-cost power generation fleets. The company's Constellation business unit provides energy products and services to approximately 100,000 business and public sector customers and approximately 1 million residential customers. Exelon's utilities deliver electricity and natural gas to more than 6.6 million customers in central Maryland (BGE), northern Illinois (ComEd) and southeastern Pennsylvania (PECO). Learn more at:

Media Contact:
Maureen Brown
(410) 470-9700

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