Parabolic Trough Power Plant Andasol I

The solarthermal power plant AndaSol I has a rated output of 50 MW and can be operated with energy from its thermal storage for 7.5 hours during periods without sunshine. The plant produces approx.179 GWh per year and provides electricity for up to 200.000 people. The collector field of the plant covers a surface of 1,500 by 1,300 meters. The 7,488 individual collectors in the new cost-optimized design have together a collector surface of 510,000 m ². The collectors consist of a steel framework construction with attached curved glass mirrors.

Concentrating Solar Power,
Aldeire, Spain
FlagSol GmbH, Köln
Andasol-1 Central Termosolar 1 S.A., Madrid
Markus Balz


Technical Data

Aperture width
6 m
SCE length
12 m
SCEs per SCA
Loop length
600 m
Aperture area
510,000 m²
schlaich bergermann und partner


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Our product used in this project

Parabolic Troughs

Proven state of the art for CSP

Over the years, sbp sonne developed and licensed three different types of parabolic trough collectors: the EuroTrough, the HelioTrough and the UltimateTrough. We are now focusing on the distribution and commercialization of the ‘HelioTrough’ and ‘UltimateTrough’, as these collector developments have been proven to significantly reduce costs and improve performance for large scale power plants.

The UltimateTrough collector for Concentrating Solar Power (CSP) plants is the world’s largest and most advanced parabolic trough collector. Measurements indicate that efficiency of the UltimateTrough is over 10% higher as compared to the benchmark collector.

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