The Energy Conservation and Optimization Act has support from utilities, businesses, unions and environmental groups.
A recent summit and regulator hearings this week have brought attention to apartment building energy efficiency.
Michigan residents might not have to wait for the next polar vortex to hear more about demand response.
The state’s ratepayer advocate rejected an earlier plan for spending too much without delivering enough benefits.
A debate about cost-benefit tests is complicated by the utility’s growing surplus of generation and distribution capacity.