In the Upper Rhine Graben, natural geological thermal deposits can be tapped at comparatively low depths with bore wells. In a Franco-German research project in Alsace, scientists have been researching the process of utilising heat from crystalline rock for years, whereby they have optimised the concept and technology.
At the site of the research facility, two power companies opened a new commercial power plant in 2016. The electricity is fed into the French grid. In Germany, around 95% of geothermal resources are also found in deep rock and 5% in natural thermal water layers.
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From the Global Geothermal News archives:
- Thursday, January 12, 2017 - France: Interview With Jean Schmittbuhl, Director of the Soultz-sous-Forêts Geothermal Lab
- Friday, September 23, 2016 - France: 1.7 MWe Soultz-sous-Forêt Geothermal Energy Plant Inaugurated