ComEd provides electricity services, billing options, and account management for residential and business customers.

Commonwealth Edison Company, ComEd, provides electric service to over 4 million customers. As a subsidiary of Exelon, Comed strives for a sustainable future.

4 days ago · ComEd today announced the first set of new Transmission Security Agreements (TSAs) designed to protect customers and ensure fairness in the cost of connecting and …

4 days ago · Chicago’s biggest electricity company, Commonwealth Edison Co., is taking steps to prevent the data center boom backing the rise of artificial intelligence from raising energy bills …

3 days ago · ComEd says revenue guarantees from eight data‑center projects will protect Chicago ratepayers from over $2B in transmission costs across the next decade.

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.

4 days ago · CHICAGO, January 06, 2026--ComEd today announced the first set of new Transmission Security Agreements (TSAs) designed to protect customers and ensure fairness …

2 days ago · ComEd, a unit of Chicago-based Exelon Corporation, has announced the first set of new Transmission Security Agreements (TSAs) to protect customers and ensure fairness in …

3 days ago · Commonwealth Edison says eight large power users have agreed to guarantee billions in electricity purchases, shifting risk away from homeowners as data-center demand …

Dec 31, 2025 · Blagojevich seeks ex-ComEd CEO’s clemency from political corruption conviction Anne Pramaggiore and three others were convicted of a nearly decade-long scheme to …