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Jun 27, 2008Economist.com: The Future of Energy - Beneath your Feet
In the following article the economist.com talks about the potential energy generation capabilities from engineered geothermal systems, formerly known as hot-dry-rock systems. The article references the M.I.T. EGS study which CanGEA treasurer Michal Moore co-authored. The article also details some of the challenges EGS systems face such as impermeable rock in high heat area like granite.
In principle, much more could be done. The recoverable heat in rock under the United States is the equivalent of 2,000 years-worth of the country’s current energy consumption, according to a report he and his colleagues published two years ago. A similar assessment of Europe’s heat resources from the Earth suggests that they could be used to generate as much electricity as all of the continent’s nuclear power stations produce now.
http://www.economist.com/specialreports/displaystory.cfm?story_id=11565660
