Press Releases 2020

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  • Slats and demonstrator of the solar thermal venetian blind
    © Fraunhofer ISE

    About 30 percent of the energy consumption in Germany is used for space heating and warm water. Facades which function as a “thermal wall” can help bring on the transformation of our heating system, yet they have been given little attention up to now. In the ArKol project, a research consortium led by the Fraunhofer Institute for Solar Energy Systems ISE has developed two novel solar thermal façade collectors: a solar thermal strip collector and a solar thermal jalousie. As an integral part of the façade, both elements offer an architecturally pleasing experience.

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  • Solar farm Sekdoorn
    © BayWa r.e.

    Commissioned by the renewable energy developer BayWa r.e., the Fraunhofer Institute of Solar Energy Systems ISE investigated the technical potential of floating photovoltaics (FPV) on pit lakes in former lignite mines in Germany. Such FPV plants that basically float on man-made lakes can help to alleviate the competition for land use and help expand PV capacity in Germany. Floating PV technology has several advantages over ground-mounted systems; for instance, greater power production due to the cooling effect of water or higher efficiency of land use. The study estimates a potential PV capacity of 56 GWp for installations on pit lakes in former lignite mines in Germany. After subtracting the estimated area use for recreational activities, tourism, nature and land conservation on pit lakes, there remains an economical potential of 2.74 GWp.

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