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Photovoltaic tiles: prices, features and information on solar tiles that solve the problem of permits and landscape clearance.
Thephotovoltaic tilesthey are posed as a solution for the architectural integration of photovoltaic systems, thus resolving, in a definitive way, the problem oflandscape clearancethat the Supervision must leave in certain prestigious areas. Unfortunately, the landscape clearance is not always issued and users who want to install a photovoltaic system on the domestic roof often find themselves having to resort to the TAR only for preliminary permits. To learn more about the topic, we refer you to the articlePhotovoltaic clearance.
Thephotovoltaic tilesthey become part of the building envelope and, being architecturally integrated elements, they perform a dual function: on the one hand they cover and waterproof the house and on the other they transform the solar radiation into electricity.
Types of photovoltaic tiles
On the market there are different types ofphotovoltaic tiles. Aphotovoltaic tileit may differ from the others both in shape and in the material of manufacture. All thephotovoltaic tiles they have in common a photovoltaic coating integrated in the tile itself, we are talking about one or more solar cells or a support on which a thin film of amorphous silicon or indium copper selenide (CIS) or copper indium gallium selenide (GCIS) has been deposited . When we talk about CIS and GCIS we are referring to high-performance photovoltaic material.
Thephotovoltaic tilesmost common are:
– Marseille photovoltaic tiles
They can be manufactured both in brick (especially cooked) and plastic. They have the typical shape of thetileMarseille and the flat central part is covered with photovoltaic material.
– Portuguese photovoltaic tiles
Manufactured in terracotta or plastic and the photovoltaic layer is arranged on the flat surface of thetile. The Portuguese photovoltaic tile retains the classic shape of the Portuguese tiles.
– Photovoltaic tiles
Produced in terracotta which, if necessary, can also be antiqued (antiqued) so as to respect the aesthetics of some Italian villages. Unlike the Marseillaise and Portuguese tiles, the bent tiles do not have a flat surface, which is why the photovoltaic material is placed on flexible sheets capable of bending to follow the classic shape of the tile.
– Transparent photovoltaic tiles
Perfect in the case of transparent building envelope. Atransparent photovoltaic tilelets through about 80% of visible light. It is a solution that involves high initial costs because the photovoltaic material is given bytransparent organic saltsable to absorb solar radiation with frequencies in the infrared and ultraviolet, ie wavelengths not visible to the human eye, thus letting the light pass.
The actual production of electricity is delegated to the classic photovoltaic material: the organic salts, absorbing different wavelengths, produce a luminescence with frequencies close to the infrared, these frequencies are captured by the photovoltaic cells and converted into electricity. Thesesolar roof tilesthey have a very low efficiency but can be useful for guaranteeing natural lighting for attics.
– Photovoltaic shingles
These are simple tiles which, if necessary, can be flat or curved. They consist of a photovoltaic thin film placed on a support which is generally made of resin. They are very versatile and represent the ideal solution in different contexts.
Photovoltaic tiles, prices
A roof made withphotovoltaic tilesundoubtedly producesless energyof a conventional photovoltaic roof. Even the works ofcleaningmay be less accessible and another disadvantage is related to the purchase cost: if the installation is simple (comparable to that of the classic tiles), the purchase price of raw materials is much higher.
The cost of onephotovoltaic tileit is determined by several factors: performance, size, shape and constituent material. Don't expect affordable prices: every single onesolar tileit arises with a cost between 40 and 100 euros.
Assuming that about 500 tiles are needed to cover a roof, the price of the photovoltaic system withsolar roof tilesoscillates between 20,000 and 50,000 euros; these amounts do not include the costs of laying the tiles.