Your next house might be “net-zero.” So says the keynote speaker at a conference in Kalamazoo. Matt Grocoff of Ann Arbor promotes the practice of building or converting homes so that they generate as much energy as they use, something he says does more than lower utility bills.
Consumers Energy says it will stop using coal by 2040 and get 40 percent of its energy from renewable sources. The company’s remaining five coal plants employ about 500 people. It shuttered seven of its facilities two years ago.