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Thursday, December 15, 2016

Iceland Seeking 'Supercritical Steam' For Power Source (bbc.com)

Already getting over 25% of its electrical power from geothermal sources, Iceland hopes to break new ground using "supercritical steam" from a 5 km deep borehole. It should be noted that Iceland also uses direct geothermal for most of its space heating.

"In this area at Reykjanes, we typically drill to 2km or 3km depth to harness the steam, to run power plants and produce clean, renewable electricity," explained Asgeir Margeirsson, CEO of the Iceland Deep Drilling Project (IDDP).

 "We want to see if the resources go deeper than that." 

The "supercritical steam" holds more energy than a liquid or a gas.

 The team wants to bring it up to the surface to convert into electricity, as they believe it could produce up to 10 times as much energy as the steam from conventional geothermal wells.


Steam from the earth is a free abundant natural resource.

 The great majority of worldwide electric generation is produced by turbine type steam engines, the "steam age" is continuing with energy levels far beyond those of the turn of the 19th century.

Clean and non polluting.

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