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Using mines as pumped storage power plants

01.04.2014 - (idw) FIZ Karlsruhe Leibniz-Institut für Informationsinfrastruktur GmbH

Former ore mines offer opportunities Pumped storage power plants are firmly established in the German power grid: surplus electricity can be stored for a moment and then quickly supplied during a demand peak. The BINE Projektinfo brochure Storing wind energy underground (18/2013) presents a concept of how to reuse abandoned ore mines as pumped storage power plants. This type of underground electricity storage could expand the storage capacity of the power grid considerably. Unlike aboveground power plants, larger landscape interventions would be avoided.

A conventional pumped storage power plant usually consists of two water reservoirs, hydro dams or lakes, between which there is a height difference that is as large as possible. If energy is to be stored, water is pumped from the lower reservoir to the upper one. When power is required for the grid, water flows back into the lower reservoir, powering a turbine. This storage principle can also be implemented in former mines. Using the example of the ore mines Grund in the northwestern Upper Harz and Pöhla in the Erzgebirge, the researchers developed a technical and environmental concept. In addition, they compiled reference values of economic efficiency and exploitable potential in Germany.

The comprehensive study was prepared by Energie-Forschungszentrum Niedersachsen and other academic partners from the fields of mining, mechanical engineering and environmental law.

The BINE-projectinfobrochure, which can be obtained free of charge from the BINE Information Service at FIZ Karlsruhe, is available online at www.bine.info or by calling +49 (0)228 92379-0.

Press contact
Uwe Milles
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:
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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/press/press-releases/press/pressemitteilung/bergwerke-al... - Download cover, press release and info-pdfhttp://www.bine.info/en - BINE Informationsdienst english
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