SCHOTT solutions no. 1/2010 >Solar Architecture

ertex solar and SCHOTT developed a solar architecture solution for the awning of the REWE Green Building that features efficient polycrystalline cells from SCHOTT Solar Photo: REWE Group
Efficient Energy Management
The REWE supermarket chain is putting the concept of sustainability to practical business use with its ”Green Building”. It can be operated without producing any CO2 and even includes a solar glass architectural solution.
Christine Fuhr
Only shortly after it officially opened in November 2009, the REWE Green Building in Berlin is already becoming a success story. The supermarket designed according to the latest state-of-the-art technology consumes considerably less energy than a normal supermarket and has already received numerous awards for its ”futuristic concept”: a gold prize from the German Sustainable Building Council (DGNB), ”Store of the Year” from Germany’s retail trade association HDE, in addition to being nominated for the EU Commission’s ”Sustainable Energy Award 2010”.
For the REWE Group, sustainability is not a trend, but rather an attitude, and this is reflected in numerous activities and initiatives. In Germany, for instance, REWE is a pioneer in the area of green power and has been offering fair trade food products for more than 15 and bio products for over 20 years.

Photo: REWE Group

SCHOTT Termofrost® Eco-Clear™ is being used for the doors of the upright freezers. The advantage is that the doors no longer need to be heated, and this saves energy. Photo: REWE Group
The concept of daylight architecture is realized in the Green Building using a 280-meter stretch of glass and 18 light domes on the roof that capture daylight. These were then combined with sustainable materials like wood to create a visual symbol for sustainability that can be seen from afar. A geothermal system ensures that no fossil fuels will ever be needed at any time during the year. Additional savings are achieved by using rain water instead of precious drinking water to clean the floors, flush the toilets and irrigate the garden. And those who perhaps drive here to go shopping at Groß-Ziethener Chaussee 37 in Berlin in their electric cars can tank up with ”green” electricity at the service stations that provide certified green electricity from renewable energy.
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