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Geothermal Technology Basics

August 14, 2013 - 1:45pm


Photo of steam pouring out of a geothermal plant.Geothermal technologies use the clean, sustainable heat from the Earth. Geothermal resources include the heat retained in shallow ground, hot water and rock found a few miles beneath the Earth's surface, and extremely high-temperature molten rock called magma located deep in the Earth.

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Or read more about EERE's geothermal technologies research.