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Drees & Sommer SE - City Hall Freiburg

City Hall Freiburg Banner

As the world’s first public net plus energy building – the City Hall in the south-western German city Freiburg stands tall as a model building for zero carbon engineering. Around 800 solar panels adorn the façade and the roof of the building - producing energy that not only powers the electricity requirements of the building but also produces surplus. This means that the public administration building can feed surplus energy into the city’s electricity grid. The key to achieving a positive footprint lies in a truly holistic concept starting with the façade, a passive room-climate system and integration of renewables such as solar and geothermal energy.

Client: City of Freiburg

Architect: ingenhoven architects 

Location: Freiburg, Germany

Photography © HGEsch