In What Parts of Illinois Does Commonwealth Edison Provide Service?


Quick Answer

Commonwealth Edison distributes electricity to more than 3.8 million homes and businesses in the Chicago and Northern Illinois areas, which is 70 percent of the state's population. ComEd is a subsidiary of Exelon Corporation, one of the United States' largest electric and gas utility companies.

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Full Answer

ComEd's service territory covers 11,411 square miles and encompasses the Iowa border to the west, the Indiana border to the east, the Wisconsin border to the north and Pontiac, Iroquois County to the south. Named after light bulb inventor Thomas Edison, ComEd has been the main electricity distributor for Northern Illinois for more than 100 years.

As a utility distributor, ComEd does not generate electricity and instead buys it from the wholesale market at competitive prices, charging its customers at cost. As a result, consumers may purchase electricity from other suppliers but still receive distribution services from ComEd.

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