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Subject:
German-Spanish Partnership - Solar/steam power plant.
From:
Haruna Darbo <[log in to unmask]>
Reply To:
The Gambia and related-issues mailing list <[log in to unmask]>
Date:
Tue, 12 Aug 2008 15:06:12 EDT
Content-Type:
text/plain
Parts/Attachments:
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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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