Insulated High Pressure Steam Pipes from Boreholes to Turbines Krafla Geothermal Power Plant Iceland
Geothermal power (from the Greek roots geo, meaning earth, and thermos, meaning heat) is power extracted from heat stored in the earth. This geothermal energy originates from the original formation of the planet, from radioactive decay of minerals, and from solar energy absorbed at the surface. It has been used for space heating and bathing since ancient roman times, but is now better known for generating electricity. About 10 GW of geothermal electric capacity is installed around the world as of 2007, generating of global electricity demand. An additional 28 GW of direct geothermal heating capacity is installed for district heating, space heating, spas, industrial processes, desalination and agricultural applications.
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Photo credit: © Phil Degginger / Alamy / Afripics
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Keywords: bore, borehole, boreholes, earth, electric, electrical, electricity, energy, facility, generate, generating, generation, geology, geothermal, green, high, hole, iceland, icelandic, insulated, krafla, pipes, plant, power, pressure, renewable, steam, utility, vulcanism
