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IPV
Integrated
Photovoltaic

A showcase of case studies, 
products and tools for IPV

Unterstützt durch:

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

Ütia da Ju

renovation

conservation area

Gebäudefunktion: 
Empfangsgebäude
IPV-Integrationsjahr: 
zwischen 2006 und 2010
Quelle: 
Eurac Research

Ütia da Ju

Strada Ju 43, San Martino di Badia (BZ), Italy

Einführung

Stakeholder

Ästhetische Integration

Energietechnische Integration

Technologische Integration

Entscheidungsfindung

Lessons learnt

Daten

Hersteller und Installateur

Map

Autor

The PV system is integrated into the shading canopy applied to a tourist accommodation, hosting a restaurant, placed in Piz de Plaies. The solar canopy has a distinctive and original spiral structure exposed on a steep wooded slope of Val Badia, at an altitude of 1622 m.

STAKEHOLDERS

IPV-Systemdesigner: 

Electro Clara Sas, Ertex Solartechnik GmbH 

Hersteller von IPV-Komponenten: 

Ertex Solartechnik GmbH

Produktart: 
Adresse: 
Peter-Mitterhofer-Straße 4, Amstetten, Austria
Kontakt: 
info@ertex-solar.at +43 7472 28260
Web: 
https://www.ertex-solar.at/en/
Installateur des BIPV-Systems: 

Ertex Solartechnik GmbH

Adresse: 
Peter-Mitterhofer-Straße 4, Amstetten, Austria
Kontakt: 
info@ertex-solar.at +43 7472 28260
Web: 
https://www.ertex-solar.at/en/
Sonstige Stakeholders: 

Prada Holzbau Srl

The BIPV system consists of semi-transparent trapezoidal PV modules running around the building roof with a uniform inclination and partially shading the terrace. The photovoltaic canopy is a modern structure harmoniously and elegantly integrated into the natural environment of a region bound to the traditional Ladin culture and language.

The BIPV system has been designed to have an annual electricity production of about 7,800 kWh to cover almost the whole building electricity demand. It feeds additional energy into the grid (Augustin Clement). Thanks to the modules' semi-transparency, the photovoltaic roofing system allows part of the sunlight to enter through the structure, contributing to the heating of the canopy, which is an enclosed space.

The 40 semi-transparent modules (Ertex VSG 140-211) were customized in order to match the building shape. Moreover, they had to get the specific texture and mechanical resistance as UNI7696 (Ertex Solartechnik GmbH). The modules are composed of laminated safety glass, encapsulating polycrystalline cells 2 cm spaced out. They are supported by a timber load-bearing structure, specially designed according to the modules’ shape. The structure beams hide the module’s fixing system and the cables from people staying below. All the electric connections are made of special UV-resistant cables. They are protected with waterproof ducts.

After discovering some interesting examples of BIPV installations at an Austrian exhibition, the restaurant owner, Augustin Clement, decided to apply the photovoltaic technology. He wanted to integrate it into the building in order to create an installation visible to all the visitors, aesthetically attractive and functionally useful also as a shading device. Even though the building is placed into a mountain environment, introducing an innovative element as a BIPV system did not raise any problem getting the planning permission from the public administration (Augustin Clement).

Ütia da Ju represents an exemplary case of a retrofit, where a complex structure bearing the integrated PV plant was applied after the building construction. The particular configuration of the solar canopy implies a great attention to details and specific construction solutions. The BIPV system has to guarantee the same functions as the traditional roofing system, e.g. water tightness, resistance to snow loading, to atmospheric agents, to fire, etc. It required an accurate design process which also took into account the aesthetic viewpoint. Finally, it resulted to be an expressive architectural element thanks to the module’s aesthetic appearance and the shading effect under the structure. The solar canopy covers an area which was equipped to accommodate the restaurant customers that can appreciate the attractive atmosphere.

PROJEKTDATEN

Projekttyp: 
Einschränkung: 
BIPV-SYSTEMDATEN
BIPV Architektursystem: 
canopy
BIPV-Integrationsjahr: 
2009
Aktivmaterial: 
polycrystalline silicon
Modultransparenz: 
Systemleistung [kWp]: 
7.05
Systembereich [m²]: 
100
Modulabmessungen [mm]: 
several
Modulorientierung: 
from 75° West to 45° East
Module kippen [°]: 
10
Jährliche PV-Produktion [kWh]: 
7.800
BIPV-SYSTEMKOSTEN
Gesamtkosten [€]: 
36.200
€/kWp: 
5.135
€/m²: 
362
Hersteller von IPV-Komponenten: 

Ertex Solartechnik GmbH

Produktart: 
Adresse: 
Peter-Mitterhofer-Straße 4, Amstetten, Austria
Kontakt: 
info@ertex-solar.at +43 7472 28260
Installateur des BIPV-Systems: 

Ertex Solartechnik GmbH

Adresse: 
Peter-Mitterhofer-Straße 4, Amstetten, Austria
Kontakt: 
info@ertex-solar.at +43 7472 28260
Strada Ju 43, San Martino di Badia (BZ), Italy

Eurac Research