Cracking Rock to Get More from Geothermal Fields

An enhanced geothermal project fractures hot rocks at unproductive wells, an approach with low financial risk. Growth in conventional geothermal power last year was a tepid five percent. A recently-demonstrated enhanced geothermal method could squeeze more usable energy from existing wells.

Source: http://www.technologyreview.com/view/513816/cracking-rock-to-get-more-from-geothermal-fields/

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