pv magazine
Summary
Enhanced geothermal projects could reach hundreds of megawatts in size and could be deployed at “many more places” than conventional geothermal technology, as technological advances lead to near-term cost competitiveness, says a journal article.
The review article “Enhanced geothermal systems for clean firm energy production” was written by three researchers and three enhanced geothermal industry participants, and published in the journal Nature Reviews Clean Technology.
Enhanced geothermal systems (EGS) typically use a hydraulic fracturing technique developed for oil and gas production to fracture the hot layer of rock below the earth’s surface. An injection well delivers water to the fractured rock, where the water is heated, and a production well delivers heated water to the surface, where it can be used for electricity generation, heating, or both.
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