CMS Energy Corporation is an American energy company based in Jackson, Michigan, that is focused principally on utility operations in Michigan.[3] Its principal business is Consumers Energy, a public utility that provides electricity and natural gas to more than 6 million of Michigan's 10 million residents.[4][5] Its non-utility businesses are focused primarily on domestic independent power production. Consumers Energy has operated since 1886.[6]
NorthStar Clean Energy's primary businesses are independent power production and natural gas transmission.[7]