GRAND JUNCTION, Colo.—The discussions started roughly a decade ago, when an account manager at Xcel Energy, the electricity and gas utility provider, expressed confusion, officials at Colorado Mesa University recalled.  A public school on the state’s remote western slope, Colorado Mesa had recently doubled in size, but its energy usage had hardly budged as it … Continue reading A Groundbreaking Geothermal Heating and Cooling Network Saves This Colorado College Money and Water