ENVIRONMENTAL STEWARDSHIP

•ISO 14001 certification for environmental management systems — These CMS Enterprises independent power projects have achieved this internationally recognized status: T.E.S. Filer City and Grayling Generating Station in Michigan. Filer City and Grayling also are members of the Michigan Business Pollution Prevention Partnership.

• Michigan Clean Corporate Citizens — T.E.S. Filer City Station and Grayling Generating Station have earned the state’s highest honor for volunteer environmental programs from the Michigan Department of Environmental Quality. The special designation requires sites to achieve and maintain performance in three areas: environmental management, pollution prevention and environmental compliance.

• Reducing landfill waste — Several facilities in the company’s electric generating fleet help reduce landfill waste by using fuels such as biomass (cotton gin waste, poultry waste, wood), waste rubber chips and tires.

Our principal business is our Michigan-based electric and natural gas utility, complemented by a North American independent power business.