21 September 2011

Novatec Solar’s Fresnel collector has successfully generated superheated steam at temperatures above 500°C at its 1.4 megawatt (MW) demonstration plant in Murcia, Spain, by implementing an innovative receiver design.

“With this technical achievement, Novatec Solar takes a leading position in the development of high temperature CSP technology”, says Martin Selig, Head of Market and Product Development. “It combines the low cost nature of our Fresnel technology with high cycle efficiency of superheated steam turbines, leading to significant reduction of electricity generation cost of concentrated solar power.”

The superheated steam technology uses vacuum absorber tubes being integrated in Novatec Solar´s market proven technology that is currently deployed in all commercial projects of Novatec Solar. “By using vacuum receivers, the heat losses can be reduced by 50 % compared to the Nova1 technology.” says Dr.-Ing. Max Mertins, Head of Research & Development.

The German Aerospace Center (DLR) has been engaged as an independent certifier to carry out performance tests on the superheated steam plant. DLR’s certification will provide a reliable basis for all future CSP projects that use superheated steam.

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