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©Denis Lenardic
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Friday
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13:23
This page was last time updated on
30th Dec, 2007
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Photovoltaic roof tiles and shingles
"The Sun is a mass of fiery stone, a little larger than Greece."
(Anaxagoras 434 BC)
Photovoltaic roof tiles
(courtesy: Pfleiderer
Dachziegel GmbH pictures 1,2 and Lafarge
Dachsysteme pictures 3,4)
Photovoltaic roof tiles or shingles are elements with integrated solar cells used for
roof covering, together with standard roof tiles or shingles. They are tightly integrated into the roof.
Many different forms are used - photovoltaic roof tiles, photovoltaic roof shingles, solar laminates,
modules with integrated solar cells produced as roof covering elements, transparent laminates or modules for flat roofs etc.
Solar (photovoltaic) roof tiles and shingles are probably the most interesting possibility
how to integrate solar cells into the building's roof. Many different forms of solar roof
tiles are available on the market. The most common solutions are photovoltaic roof tiles
with mono- or polycrystalline solar cells used together with the classical roof tiles of
the same producer or photovoltaic roof shingles.
Roof shingles are produced with
crystalline or with thin-film solar cells. Other possibilities are thin film solar cells
on glass or metal substrate (see also BIPV section) or
crystalline solar cells with metal background. Solar roof tiles and shingles are
connected to each other via MC or other suitable connector type used in photovoltaics (MC,
Tyco, Huber+Suhner etc.). The power range spans from several Watt (roof shingles) to about
50 Watt (roof tiles with crystalline solar cells). Special (custom) designed solutions are
glass laminates with integrated solar cells or thin film solar cells on glass or metal
substrate. Thin film solar cells on metal substrate are used for integration into facades
also. Some producers produce a module like roof tiles that are also integrated into the
roof but are much larger than ordinary roof tiles. The power range of custom designed
solutions spans up to several 100 Watt. All good shingles and roof tiles should be tested
according the IEC 61215 like all other photovoltaic modules.
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Photovoltaic rof tiles and shingles |
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Some advanced sollutions were presented in past few years. The most
known is probably the Pfleiderer Roof Tile "Terra-Piatta® - Solar"
produced by Pfleiderer-Dachziegelwerke GmbH was awarded with the German Design Award 2002.
The Design Award of the Federal Republic of Germany, is the highest official design honour of
the state and is lent by the Rat für Formgebung/German Design Council on
behalf of the Federal Ministry for Economics and Technology.
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