Innovation Award for unconventional solar facade

At the »Innovationspreis Reallabore 2022«, presented by the German Federal Ministry of Economics and Climate Protection, the solar facade called »Solar-Shell«, developed at the Leipzig University of Applied Sciences (HTWK), has been awarded a »Special Sustainability Award«.
The facade construction, which a team led by architecture professor Frank Hülsmeier and his colleagues Stefan Huth and Adrian Heller began developing back in 2015, has been in practical operation since 2021 on a building in Bad Rappenau (near Heilbronn), where a corresponding system generates around 10,000 kilowatt hours of energy per year. The curtain wall made of aluminum composite elements with integrated photovoltaic modules has a surface structure whose exact shape is calculated using an algorithm that incorporates information such as total area, desired electricity yield, location, compass direction and the properties of the materials used. The resulting design proposal can be expanded depending on the desired architectural design. According to HTWK, the solar shell can »achieve up to 55 percent more energy per square meter of photovoltaic surface« compared to conventional solar facades.
© PHOTON

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