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About: Geothermal heating     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Whole100003553, within Data Space : dbpedia.org associated with source document(s)

Type: yago:Apparatus102727825yago:Artifact100021939yago:Equipment103294048yago:HeatPump103509608yago:Instrumentality103575240yago:Object100002684yago:PhysicalEntity100001930yago:WikicatHeatPumpsyago:Whole100003553 New Facet based on Instances of this Class

Geothermal heating is the direct use of geothermal energy for some heating applications. Humans have taken advantage of geothermal heat this way since the Paleolithic era. Approximately seventy countries made direct use of a total of 270 PJ of geothermal heating in 2004. As of 2007, 28 GW of geothermal heating capacity is installed around the world, satisfying 0.07% of global primary energy consumption. Thermal efficiency is high since no energy conversion is needed, but capacity factors tend to be low (around 20%) since the heat is mostly needed in the winter.