ComEd is one of America’s largest utilities. The company is headquartered in Chicago with more than 4 million customers across the northern Illinois region. In 2012, ComEd launched one of the largest grid modernization and Smart Grid programs in the nation, supporting thousands of jobs and driving innovation to meet evolving customer needs. ComEd is a subsidiary of Exelon Corporation, the nation's leading competitive energy supplier.
Three lincoln Centre
Oakbrook Terrace, Illinois 60181