CMS Energy is a Michigan-based energy company that provides electricity and natural gas to millions of customers. It operates through its primary subsidiary, Consumers Energy, which serves residential and business customers across the state. The company focuses on delivering reliable energy while promoting sustainable practices. In addition to its utility services, CMS Energy is involved in renewable energy projects, including wind and solar power. The company aims to reduce its carbon footprint and transition to cleaner energy sources, aligning with broader environmental goals and regulations.