CMS Energy Corporation

CMS Energy Corporation is an energy company operating primarily in Michigan through three segments: Electric Utility, Gas Utility, and NorthStar Clean Energy. The Electric Utility segment generates, purchases, distributes, and sells electricity from coal, wind, gas, renewable energy, oil, and nuclear sources. The Gas Utility segment purchases, transmits, stores, distributes, and sells natural gas. NorthStar Clean Energy focuses on independent power production and marketing, including renewable generation. The company serves 1.9 million electric and 1.8 million gas customers and was incorporated in 1987, headquartered in Jackson, Michigan.