Key Takeaways: Cornell University drilled a 9,790-foot-deep borehole in 2022 to explore using direct-use geothermal heating for their campus buildings in Ithaca, New York. Direct-use geothermal heating uses thermal energy directly, without converting it into electricity (which would be less efficient). Underground heat can be used for space and water heating, greenhouse farming, aquaculture, milk pasteurization, and even to melt snow under roads and sidewalks. Many skills necessary to work i...
