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  2. Geothermal energy - Wikipedia

    en.wikipedia.org/wiki/Geothermal_energy

    Geothermal energy has been exploited as a source of heat and/or electric power for millennia. Geothermal heating, using water from hot springs, for example, has been used for bathing since Paleolithic times and for space heating since Roman times. Geothermal power (generation of electricity from geothermal energy), has been used since the 20th ...

  3. Geothermal Power Could Produce Abundant Clean Energy ... - AOL

    www.aol.com/news/geothermal-power-could-produce...

    Unlike solar and wind generation, which depend upon a shining sun or a stiff breeze, geothermal power could offer consistent 24/7 energy derived from heat that increases the deeper into the earth ...

  4. Hot dry rock geothermal energy - Wikipedia

    en.wikipedia.org/wiki/Hot_dry_rock_geothermal_energy

    Although often confused with the relatively limited hydrothermal resource already commercialized to a large extent, HDR geothermal energy is very different. [3] Whereas hydrothermal energy production can exploit hot fluids already in place in Earth's crust, an HDR system (consisting of the pressurized HDR reservoir, the boreholes drilled from the surface, and the surface injection pumps and ...

  5. Binary cycle - Wikipedia

    en.wikipedia.org/wiki/Binary_cycle

    The geothermal reservoir's hot in-situ fluid (or geofluid) is produced to the surface via a wellbore, if necessary assisted by a pump. On the surface, the hot geofluid transfers some of its heat to the secondary cycle, via a heat exchanger, thus cooling in the process. The cold geofluid is then reinjected into the geothermal reservoir via a ...

  6. Geothermal exploration - Wikipedia

    en.wikipedia.org/wiki/Geothermal_Exploration

    Geothermal Energy is an underdeveloped energy resource and warrants further investigation and exploration. [2] According to the U.S. Department of Energy , Utah's geothermal capabilities alone, if fully developed, could provide 1/3 of the state's power needs.

  7. Closed-loop geothermal - Wikipedia

    en.wikipedia.org/wiki/Closed-loop_geothermal

    Closed-loop geothermal systems (also known as “advanced geothermal systems” or “AGS”) are a type of engineered geothermal energy system containing subsurface working fluid that is heated in a hot rock reservoir without direct contact with rock pores and fractures.: [1] [2] [3] Instead, the subsurface working fluid stays inside a closed loop of deeply buried pipes that conduct Earth’s ...

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