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Commonwealth Edison, commonly known by syllabic abbreviation as ComEd, is the largest electric utility in Illinois, and the primary electric provider in Chicago and much of Northern Illinois. Its service territory stretches roughly from Iroquois County on the south to the Wisconsin border on the north and from the Iowa border on the west to the ...
PECO Building. Philadelphia, Pennsylvania, U.S. Parent. Exelon. Website. peco .com. PECO, formerly the Philadelphia Electric Company, is an energy company founded in 1881 and incorporated in 1929. [1] It became part of Exelon Corporation in 2000 when it merged with Commonwealth Edison 's holding company Unicom Corp .
Exelon Corporation is a public utility headquartered in Chicago, and incorporated in Pennsylvania. [1] Exelon is the largest electric parent company in the United States by revenue and is the largest regulated electric utility in the United States with approximately 10 million customers. The company is ranked 99th on the Fortune 500.
The company was known as Constellation Energy Group (former NYSE ticker symbol CEG), a Fortune 500 company and one of the largest electricity producers in the United States, until a merger with Exelon in 2012. When FERC approved the acquisition, Constellation Energy's energy supply business was re-branded as Constellation, an Exelon company.
Con Ed plant on the East River at 15th Street in Manhattan, New York City. Consolidated Edison, Inc., commonly known as Con Edison (stylized as conEdison) or ConEd, is one of the largest investor-owned energy companies in the United States, with approximately $12 billion in annual revenues as of 2017, and over $62 billion in assets. [3]
Pepco Holdings. Pepco Holdings was a holding company incorporated in February 2001 for the purpose of effecting the acquisition of Conectiv Power Delivery by Potomac Electric Power Company (better known as "Pepco"). The acquisition was completed on August 1, 2002, at which time Pepco and Conectiv became wholly owned subsidiaries of PHI.
PJM Interconnection LLC (PJM) is a regional transmission organization (RTO) in the United States. It is part of the Eastern Interconnection grid operating an electric transmission system serving all or parts of Delaware, Illinois, Indiana, Kentucky, Maryland, Michigan, New Jersey, North Carolina, Ohio, Pennsylvania, Tennessee, Virginia, West ...
Baltimore Gas and Electric. Baltimore Gas and Electric Company ( BGE) is a subsidiary of the Exelon Corporation and Maryland ’s largest gas and electric utility. BGE earlier had created the holding company Constellation Energy in 1999. [3] Constellation Energy was acquired by Exelon in 2012.