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).
Consumers Energy Michigan resides at 11801 Farmington Road, Livonia, Michigan, United States provides here all the necessory details like contact number 1-800-477-5050 by which customers can reach to Consumers Energy Michigan Go to www.consumersenergy.com and get more information from there. Some More Phone Numbers Related To Consumers Energy Michigan Customer Service Number, Toll Free Number, Email Id Contact Address For  11801 Farmington Road, Livonia, Michigan, United States