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IEA PVPS Task 15 project aims to create an enabling framework to accelerate the penetration of BIPV products in the global market of renewables.

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Operazione co-finanziata dall’Unione europea, Fondo Europeo di Sviluppo Regionale, dallo Stato Italiano, dalla Confederazione elvetica e dai Cantoni nell’ambito del Programma di Cooperazione Interreg V-A Italia-Svizzera

Rural building, Seegräben

renovation

© Elena Canosci
Building use: 
multifunctional
IPV architectural system: 
opaque roof
IPV integration year: 
between 2016 and 2020
Source: 
BIPV meets History project
© Elena Canosci
© Elena Canosci
© Elena Canosci
© Elena Canosci
© Elena Canosci
© Sunage SA

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Rural building, Seegräben

Seegräben, Switzerland

Introduction

Stakeholders

Design approach

Aesthetic integration

Energy integration

Technology integration

Decision making

Data

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The rural building is located in Seegräben, a small city in the north of Switzerland surrounded by cultivated fields and unspoiled nature. The BIPV system was integrated on a pre-existing roof facing the main road.

Sources: Elena Canosci

STAKEHOLDERS

IPV system designer: 

Sunage SA

IPV components producer: 

Sunage SA

Product type: 
modules
Address: 
Via Pian Faloppia 11, Balerna, Switzerland
Contact: 
info@sunage.ch +41 (0)916468933
Web: 
https://sunage.ch/en/?l=en

The architects and customers wanted to rehabilitate an old country building without losing its notable features and link it to the latest sustainable building technologies on the market.

The building currently houses several functions and has been awarded a Minergie classification, a Swiss certificate for new and renovated low-energy buildings.

The photovoltaic modules integrated in the canopy reproduce the terra cotta colour that is very common in the area for roofing. The use of custom-made elements allowed for integration in the structure.

The electricity produced is presumably used exclusively for the house attached to the building.

The BIPV system is made up of 54 individually sized modules (similar to the standard SUNCOL-TILE series modules from Sunage SA) that are glass-glass type (glass panel thickness 3.2 mm), frameless, and coloured using SUNCOL's unique technology. The SUNCOL colouring process results from a long period of research and experimentation to obtain the best balance between the appearance and the instrument. It consists of a unique mix of different ceramic colours applied to the surface of the front glass and embedded in the glass during the curing process in which temperatures of up to 650 °C are reached. Colour stability is guaranteed over time, and it is a wholly ECO-FRIENDLY process. 9 transparent, inactive panels are combined with the BIPV modules to form a light-filtering strip at the top of the canopy.

The BIPV modules are an integral part of the canopy roof along with the primary and secondary wood framework. A special interlocking and mounting system keeps them anchored to the structure and prevents the passage of water.

The desire to produce clean energy did not need to clash with the building's appearance and its context, which is why coloured photovoltaic modules were used, perfectly integrating into the building and the surrounding landscape.

PROJECT DATA

Project type: 
renovation
Building construction technique: 
pre-industrial
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BIPV SYSTEM DATA
Architectural system: 
Opaque roof
Integration year: 
2019
Active material: 
Monocrystalline silicon
Module transparency: 
opaque
Module technology: 
glass-glass, hidden PV, customized modules
System power [kWp]: 
7.5
System area [m²]: 
65
Module dimensions [mm]: 
720 x 1,145 x 40
Modules orientation: 
North-East
Modules tilt [°]: 
15
IPV components producer: 

Sunage SA

Product type: 
modules
Address: 
Via Pian Faloppia 11, Balerna, Switzerland
Contact: 
info@sunage.ch +41 (0)916468933
Web: 
https://sunage.ch/en/?l=en
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Seegräben, Switzerland
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