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- 21:15, 17 May 2023 Elie talk contribs created page Geothermal (Created page with "Geothermal systems make use of temperatures deep in the ground, to do things involving energy. ==Types - general== * Geothermal electricity, which is only viable in a few parts of the world * Ground source heat pump, which can be built anywhere but is only suitable for heating and cooling Category:Energy sources")