Middle Tennessee Electric Membership Corporation distributes electricity to nearly 175,000 residential and business members. Formed by farmers and homeowners in 1936, it is one of the largest electric cooperatives in the United States. The agency provides education and training for their members, elected representatives, managers and employees. Middle Tennessee Electric Membership Corporation offers Energy Star, which is a joint program of the U.S. Environmental Protection Agency and the Department of Energy. The program helps citizens and businesses save money and protect the environment through energy-efficient products and practices. The agency pays cash incentives for homebuilders and members choosing to power their water heater with electricity.