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Icelandic Times - Land og saga

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Around 82% of Iceland‘s energyconsumption is generateddomestically through renewablesources. Photos: IngóGeothermal NationIn recent years Iceland has rapidly been positioning itself as a leadingforce in harnessing geothermal energy for the purposes of producingelectricity. Around 82% of the energy consumption in Iceland isgenerated domestically with renewable energy sources, 67% of whichcome from geothermal sources. Despite that it is estimated that around20-25% of Iceland’s renewable energy sources have been harnessed.That fact is reaffirming to most Icelanders as the nation is the worldleader in energy consumption per capita.Heat from the earth’s core is harnessedby drilling for hot steam surging upthrough the earth at great speed. Thesteam is then used put turbines intomotion, which power a generatorwhich ultimately produces electricity.This is however only possible wherethere is volcanic activity. Whathappens is that water will seepdown the soil where it comes intocontact with extremely hot surfaceswhich then send the water back tothe surface, either naturally throughgeysers or man-made boreholes.Geothermal areas are divided intohigh and low heat areas, in low heatareas the temperature is usually underboiling, but high heat areas can reachover 200°.Iceland’s scientists and specialistshave been working adamantly indeveloping way in how to harness theearth’s heat and now rank among thetop experts in the field. An ambitious“deep drilling” project is nowunderway, which would drasticallyincrease the production of geothermalboreholes. The theory is that bydrilling 4-5 kilometers (2.5-3 miles)into the extreme temperature of 400-600° (750-1100 F) the efficiency ofboreholes could be increased tenfold.This expertise is highly sought afterby the international community.<strong>Icelandic</strong> Energy Companies havebeen involved in projects all over theworld; Asia, Africa and the Americas.The president of Iceland, ÓlafurRagnar Grímsson, is an adamantsupporter of the use of renewableenergy and has actively encouragedthat the nations of the world makeuse of the experience Iceland hasgathered.The theory is that bydrilling 4-5 kilometers(2.5-3 miles) into theextreme temperatureof 400-600° (750-1100F) the efficiency ofboreholes could beincreased tenfold.45

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