Winter’s icy grip may have melted, but at one mid Michigan college, the ice is just starting to take hold on campus.
Delta College, in Bay County, uses a thermal energy storage system to keep campus cool.
Delta buys electricity at night and on weekends when power is cheaper. It stores the energy in the form of 8-foot by 8-foot ice blocks. Then during the day when prices are higher, the melting ice cools campus buildings. Continue reading