Umwelt Arena photovoltaic system, Spreitenbach

Project overview

The Umwelt Arena in Spreitenbach boasts the biggest roof-integrated photovoltaic system in Switzerland, making it a centre of excellence in terms of sustainability. The plus-energy building produces around twice as much energy as it needs, and, in addition to the 2014 architectural award Gebäudeintegrierte Solartechnik for building-integrated solar technology, the Zurich Climate Prize and the Milestone Umweltpreis environmental prize, also received the Norman Foster Solar Award 2012 and the 2012 Swiss and European Solar Prize.

Expertise involved



Walter Schmid AG

Our services

Preparation of the photovoltaic concept and evaluation of technical solutions. Economic clarifications and yield analyses, as well as drafting of documentation for invitations to tender and concepts for lightning and bird protection, ventilation and walkability of modules for maintenance.

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