Welcome to CMS Energy
CMS Energy's business strategy is focused primarily on its principal subsidiary, Consumers Energy, Michigan’s largest electric and natural gas utility, serving 6.6 million of the state’s 10 million residents. With its CMS Enterprises subsidiary, CMS Energy also is engaged in independent power generation in several states.
Learn more in the 2014 Accountability Report.
is one of the nation’s largest combination electric and natural gas utilities. The company's founding is traced back to the Jackson Electric Light Works, which began in 1886 under W. A. Foote. More
CMS Energy’s non-utility businesses are operated by CMS Enterprises. The company currently is executing a significant change in business strategy, to focus primarily on the independent power business in the Midwestern United States. More
, a wholly owned subsidiary of CMS Energy Corp., is FDIC insured and headquartered in Salt Lake City, Utah. More
Our principal business is our Michigan-based electric and natural gas utility, complemented by a North American independent power business.