, /PRNewswire/ -- Consumers Energy announced today an agreement to purchase 140 megawatts of clean, renewable energy – enough to power about 70,000 residential customers -- from the Calhoun Solar Center. Invenergy, a leading Midwest-based developer and operator of sustainable energy solutions, is developing and building the project."We are proud to team with Invenergy as we continue to create a cleaner, more sustainable energy future for ," said , vice president of electric grid integration at Consumers Energy. "We are committed to protecting the planet while providing the energy our...…, /PRNewswire/ -- Consumers Energy announced today an agreement to purchase 140 megawatts of clean, renewable energy – enough to power about 70,000 residential customers -- from the Calhoun Solar Center. Invenergy, a leading Midwest-based developer and operator of sustainable energy solutions, is developing and building the project."We are proud to team with Invenergy as we continue to create a cleaner, more sustainable energy future for ," said , vice president of electric grid integration at Consumers Energy. "We are committed to protecting the planet while providing the energy our...WW…