ComEd, short for Commonwealth Edison Company, is a major electric utility company based in Illinois. It provides electricity to over 4 million customers in the northern part of the state, including the city of Chicago. ComEd is a subsidiary of Exelon Corporation and plays a crucial role in delivering reliable power and maintaining the electrical infrastructure. Founded in 1907, ComEd has a long history of serving its customers. The company focuses on energy efficiency programs and renewable energy initiatives to promote sustainable practices. ComEd also invests in modernizing the electrical grid to enhance service reliability and support the growing demand for electricity.