Commonwealth Edison Company, perhaps better known as ComEd, is a unit of Chicago-based Exelon Corporation (NYSE: EXC). ComEd is an energy delivery company. We do not own power plants and we do not make electricity. We deliver electricity to your home or business. To do this, we manage more than 90,000 miles of power lines in an 11,400-square-mile territory. Since 2001, we have invested more than $5 billion in our electrical transmission and distributions system to continue to provide customers like you with the quality service you expect and deserve.