Consumers Energy Company operates as an electric and gas utility in Michigan. The company is involved in the generation, purchase, transmission, distribution, and sale of electricity through coal, win... Consumers Energy Company operates as an electric and gas utility in Michigan. The company is involved in the generation, purchase, transmission, distribution, and sale of electricity through coal, wind, gas, renewable energy, oil, and nuclear sources, as well as natural gas. It serves residential, commercial, and diversified industrial customers. Consumers Energy Company was formerly known as Consumers Power Company and changed its name to Consumers Energy Company in March 1997. The company was founded in 1886 and is based in Jackson, Michigan. Consumers Energy Company operates as a subsidiary of CMS Energy Corporation.