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Date: | Tue, 12 Aug 2008 15:06:12 EDT |
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News
Solar Power Group: First commercial Solar-thermal power plant in Spain
19/06/2008
In Mai 2008, the German Solar Power Group GmbH and the Spanish Laer S.L.
agreed upon the joint execution of a solar thermal power plant in central Spain.
This will be the first commercial solar thermal power plant in Spain based
on the Fresnel collector technology of the Solar Power Group. The planned
size of the power plant will be 10 MWel and it combines a solar thermal
collector field with a fossil co-firing unit as backup system. The Solar Power Group
has already started with the optimization process of the design to reach best
technical and economical efficiency of the solar thermal power plant. In
this study the optimal collector field and back-up boiler sizing will be
determined as well as the operating regime and the possibility of potential waste
heat uses to receive optimum profitability. The start of constructions is
planned for 2009. The project is located in Gotarrendura, a small renewable energy
pioneering village, about 100 km northwest of Madrid, Spain. The
Fresnel-technology is a line-focussing type of concentrating solar power (CSP). It is
based on large arrays of modular Fresnel reflectors which direct the sunlight
to a stationary receiver several meters high. This receiver contains a steel
absorber tube and a so-called second stage reflector which re-directs the rays
which did not directly hit the absorber. In the absorber tube, the
concentrated sunlight is converting water to superheated steam with temperatures up to
450蚓 driving a turbine to produce electricity.
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