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Geothermal energy is the natural heat stored within the earth’s crust. The energy is manifested on the earth’s surface in the form of fumaroles, hotsprings and hot and altered grounds. To extract this energy, wells are drilled to tap steam and water at high temperatures (250-350°C) and pressures (600-1200 PSI) at depths of 1-3 km. For electricity generation, the steam is piped to a turbine, which rotates a generator to produce electrical energy.
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Geothermal
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