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- Commonwealth Edison Co
Commonwealth Edison, commonly known by syllabic abbreviation as ComEd, is the largest electric utility in Illinois, and the sole electric provider in Chicago and much of Northern Illinois.
Industry
Electric services
Corporate Phone Number
1-800-334-7661
Customer Support Phone Number
1-800-334-7661
Headquartered Address
440 South LaSalle Street Suite 3300 Chicago,
IL 60605 United States
Email:
N/A
Website:
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