Geothermal power plant starts commercial operation

06.10.2017, 11:12 | Wissenschaft | Autor: | Jetzt kommentieren


In central Europe, 5% of the natural geothermal heat reserves can be found in thermal water, but 95% is contained in deep rock. New, complex concepts and technologies are required to enable the heat in the rock to be utilised. Scientists are therefore working together in a Franco-German cooperation project in Soultz-sous-Forêts. The BINE-Projektinfo brochure entitled “German-French geothermal power plant completed” (10/2017) focuses on the newly constructed power plant.

Scientific measurements in Soultz-sous-Forêts continue

In addition to the new power plant, scientific investigations are continuing on the geothermal reservoir. The research include aspects such as corrosion and deposits, geothermal pumps and the handling of natural radionuclides.

Two power companies from France and Germany began operating a new commercial power plant in Soultz-sous-Forêts in 2016. It replaces an old research facility constructed in 2008. The new plant is better equipped to meet the local geothermal conditions than its predecessor. The plant feeds around 12 million kilowatt-hours of electricity into the French grid every year. The power plant utilises hot water at a temperature of approximately 160 °C, which reaches the surface from a depth of 5,000 m in a closed circuit via a bore well. The water with all its content matter is then injected back into the original rock unit via two other wells. The region is particularly suitable for geothermal energy generation because the temperature at a 1,000-metre depth is two and a half times the average for central European countries.

The power plant operates according to the Organic Rankine Cycle (ORC) principle and can therefore use heat at a comparatively low temperature level for generating electricity. An organic working fluid circulates in a secondary circuit and can absorb or release heat. The energy suppliers Electricité de Strasbourg (ES) and EnBW Energie Baden Württemberg AG are operating the new geothermal power plant together.

You found all informations about the BINE Projectinfo brochure entitled "German-French geothermal power plant completed" here:

http://www.bine.info/en/press/press-releases/press/pressemitteilung/geothermie-kraftwerk-startet-kommerziellen-betrieb/

Uwe Milles/Birgit Schneider
presse(at)bine.info

About BINE Information Service

Energy research for practical applications

The BINE Information Service reports on energy research topics, such as new materials, systems and components, as well as innovative concepts and methods. The knowledge gained is incorporated into the implementation of new technologies in practice, because first-rate information provides a basis for pioneering decisions, whether in the planning of energy-optimised buildings, increasing the efficiency of industrial processes, or integrating renewable energy sources into existing systems.

About FIZ Karlsruhe

FIZ Karlsruhe – Leibniz Institute for Information Infrastructure is a not-for-profit organization with the public mission to make sci-tech information from all over the world publicly available and to provide related services in order to support the national and international transfer of knowledge and the promotion of innovation.
Our business areas:
• STN International – the world’s leading online service for research and patent information in science and technology
• KnowEsis – innovative eScience solutions to support the process of research in all its stages, and throughout all scientific disciplines
• Databases and Information Services – Databases and science portals in mathematics, computer science, crystallography, chemistry, and energy technology
FIZ Karlsruhe is a member of the Leibniz Association (WGL) which consists of 87 German research and infrastructure institutions.

Weitere Informationen:
- http://www.bine.info/en - BINE Informationsdienst

Quelle: idw


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