Regulators have approved a plan from Michigan s largest utility to stop burning coal to generate energy by 2025. Consumers Energy aims to get more than 60% of its energy from renewable sources by 2040, and to tap at least 8,000 megawatts of solar power by then. Consumers Energy Media Relations Manager Brian Wheeler said they ve already started putting the word out to communities, farmers and landowners that they re looking for sites to develop new solar projects. .