Balancing energy from renewable energies
A balanced ratio between the production and consumption is constantly required in electricity grids. To compensate for the unavoidable fluctuations and to ensure the grid frequency of 50 Hertz, network operators require a reliable power reserve, known as control reserve.
A pool of wind farms can provide part of the balancing power required in the German electricity grid. (© Windpark Druiberg)
The BINE Projektinfo brochure “Stabilising the grid with wind power” (08/2014) presents a new concept as to how wind farms can also participate in future in bidding for control reserve. This will enable a pool of wind farms to provide part of the balancing power required in the German electricity grid.
Wind energy is primarily concerned with minute reserve power. With frequency fluctuations this must be fed into the grid within quarterly hour intervals. Until now the capacity has been tendered on working days for the next day. Scientists have developed new calculation methods to enable pools of wind farms to submit bids. As a second component in the concept, they have tested two methods for verifying the balancing energy actually supplied.
With the introduction of direct marketing, the reform of the 2012 Renewable Energy Sources Act created the general legal prerequisites for wind power’s participation in the bidding process.
However, before the newly developed concept can be used in practice, changes to the existing regulations for the balancing power market are still required. The concept has been developed by staff of the Fraunhofer Institute for Wind Energy and Energy System Technology IWES in collaboration with industrial partners.
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.
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.
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FIZ Karlsruhe is a member of the Leibniz Association (WGL) which consists of 87 German research and infrastructure institutions.
http://www.bine.info/en/press/press-releases/press/pressemitteilung/futter-fuer-... - Download cover, press release and info-pdf
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Rüdiger Mack | idw - Informationsdienst Wissenschaft
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