It does say unlimited m2m calls, however if you make them after day hours, you get charged the minutes against your night and weekend minutes, but if you do it during the day they don't charge them against your anytime minutes.
The customer support phone number of Energy Assistance Minnesota is +1 507 328-6508/ 800-889-4970 (Click phone number to call).
Toll free number, Customer Service Number : 1 800 Consumers Energy Michigan. Look out here for toll free customer service number or helpline number of Consumers Energy Michigan with customer Support number and address.