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Our BatchGeo world MAP shows the locations of green architecture, green building and renewable energy projects featured on Solaripedia.

Project

School Adds Solar and Vegetated Roof (Germany)

Credits: ©2009 Greenroofs

Two hundred solar panels with an output of 23 kW(p) and a large extensive green roof now grace the top roof of this large school for primary and secondary grades in Unterensingen. The panels power enough electricity for the entire school. Originally, in the summer of 2002 the main roof of the Unterensingen School was only planned to be provided with an extensive greenroof. The idea to use the roof for the creation of a solar plant to be run jointly by a group of people came up later. Two hundred solar panels with an output of 23 kW(p) and a large extensive greenroof now grace the top roof of this large school for primary and secondary grades in Unterensingen. The panels power enough electricity for the entire school. The school is quite impressive in that every building and covered walkway is covered in extensive greenroofs - easily over ten separate ones.

 

Unterensingen School Solar and Vegetated Roof

Two hundred solar panels with an output of 23 kW(p) and a large extensive green roof now grace the top roof of this large school for primary and secondary grades in Unterensingen, Germany. ©2009 ZinCo

This is ZinCo's first project combining the two green technologies. The aim was to avoid roof penetrations. In order to have possible load of up to 150 kg/m² on the roof area, each support element of the solar equipment was fixed to a ZinCo photovoltaic panel support board, size 1 x 2 m. The panel bases are secured directly to the specially designed drainage board, Solarbasis. The boards themselves are held in place by a substrate filling of 100 mm depth.

Zincolit, a mineral bulk material based on clay tile chippings, provides the necessary ballast on the solar panel support boards. About 100 supports ensure the stability of the solar plant. The ZinCo-System build-up "Sedum Carpet" was used.

The complete ZinCo System Build-Up follows:


Sedum Cuttings - Sown


System Soil “Sedum carpet“, ca. 80 mm


Filter Sheet SF


Floradrain® FD 25


Water Retention /Protection Mat


Waterproofing


Concrete Deck

Project Name: Schule Unterensingen


Year: 2002


Owner: Unterensingen Primary and Secondary School


Location: Unterensingen, Germany


Building Type: Educational


Greenroof Type: Extensive


Greenroof System: Single Source Provider


Roof Size: 15,000 sq.ft.


Roof Slope: 1.5%

Access: Inaccessible, Private 

Designers/Manufacturers of Record:

Architect: Ulrich Kahl,

Contractor: Firma Rouff

Solar Equipment: Solarfabrik Freiburg

Solar Technology Contractor: TK-Energietechnik, Albershausen

Solar Plant Operator: Spizmaus GbR

Greenroof System: ZinCo International


Documents

  Unterensingen School Germany Fact Sheet (187 kb)