X0303 4 2011-05-10 false 0000811156 CMS ENERGY CORP CMS 0001354837 Brunner James E ONE ENERGY PLAZA JACKSON MI 49201 false true false false SVP & General Counsel Common Stock 2011-05-10 2011-05-10 4 S false 5000 20.266 D 189067 D The total holdings reflect an adjustment of 466 additional shares of Common Stock of CMS Energy Corporation (?CMS?) purchased by CMS on the reporting person?s behalf as a result of his participation in CMS? Stock Purchase Plan, and an adjustment of 520 additional shares of Restricted Stock purchased on the reporting person?s behalf as a result of an automatic acquisition of Restricted Stock in lieu of cash dividends pursuant to the terms of the reporting person?s award granted in accordance with the provisions of CMS? Performance Incentive Stock Plan. Catherine M. Reynolds, Attny-In-Fact 2011-05-11