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Una piattaforma di: LogoInstitute for Renewable Energy
Con il supporto di:
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
Casa Canale stands on the Costa dei Trabocchi (on the Abruzzo coast), overlooking the sea and immersed in a colourful and luxuriant landscape. In this building, in line with the existing construction, materials such as Trani stone, wood, plaster and steel were integrated with photovoltaic modules in two positions: on a canopy and on one of the overhangs on the top floor.
Geom. Angelo De Cinque, Geom. Remo Di Paolo, Arch. Di Matteo Mattia, Geom. Antonio Della Porta, studio FLZ, Geom. D’Aulerio Giuseppe
Consulenti:
R2M Solution srl
Direttore lavori:
Ing. Pietro De Cinque
The landscape, the surrounding nature and the existing structure were the three themes that dictated the design of Casa Canale. On first sight, the building appears modern, without obstructing the view of the spectacular landscape. The house follows the natural incline of the coast, and is set into the land, with minimal impact on the landscape. The project is located in a protected area (Italian Legislative Decree 42 /2004 - Cultural Heritage and Landscape Code, article 10 of Italian Law no. 137 of 6 July). Furthermore, in accordance with the Abruzzo Landscape Plan, the area in question in classified as Zone A2, partial conservation - coastal area.
The project to add photovoltaic elements was planned taking into consideration all aspects related to the landscape, in order to not cause any visual alteration to the surrounding area (visual intrusion or obstruction), with the result that no views have been obstructed by the works. The PV modules added to the building have not altered the colour of the building, and the outline has remained the same, as the modules have been integrated into the existing architectural elements. The colour of the building has been widely reflected in the choice of modules installed. The canopy has an extrados steel structure covered in sheet metal that is anthracite in colour, while the external edging is white. The photovoltaic module chosen echoes these colours; a black cell on a white background.
The integration of photovoltaic panels is part of a general project aimed at innovation, at reducing to a minimum the energy demands of the building while maximising thermal comfort. The FV system also powers a heat pump, the cooling system and the system for the draining of wastewater from the building. The system is estimated to produce approximately 13,500 kWh per year, in response to a forecast energy demand of around 10,000 kWh per year. In light of this, the client is willing to install electricity accumulators to maximise self-production. The system currently makes use of a net metering scheme with the national electricity supply company, meaning that the surplus energy produced is sold to the national grid.
The photovoltaic modules (LG®NeON) have been added to two areas of the building, the canopy and the overhang, with a slight incline of 5°, contributing to the shade provided by the building.
The size of the house and the forecast that consumption may increase over time due to the possible installation of recharging points for electric vehicles, wellness equipment or a small pool, had a decisive influence on the choice of technology to be applied. The goal of creating an NZEB home dictated the use of the available surfaces for positioning high-performance photovoltaic modules that also respect the aesthetic features of the setting.
The decision-making process was also influenced by the supervisory authorities. The Superintendency approved the proposal to install photovoltaic elements on the condition that measures were observed to mitigate the impact of the system and the colour of the module, which had to be uniform with the various roof areas and non-reflective.
The modifications do not significantly alter either the lines of the building or the particularities of the landscape under protection. The canopy had been originally planned to maximise the area exposed to sunlight in order to obtain optimum performance from the photovoltaic modules.
Collaboration between the various professional figures involved is fundamental in order to achieve results that satisfy the client and are functional, attractive, provide energy efficiency, and respect the environment and the surrounding landscape.
