Austrian racking manufacturer AEROCOMPACT has developed a flat roof system designed for bifacial solar modules and arrays installed on green roofs.

“Bifacial modules are replacing traditional foil modules more and more, especially in the U.S. The high elevation of our new system improves reflection and ensures higher yields,” said Philipp Pejcl, AEROCOMPACT product manager.

AEROCOMPACT”s CompactFLAT GS flat roof racking. AEROCOMPACT

Unlike monofacial models, bifacial panels can receive light from the front of the glass and the back of the module.

CompactFLAT GS can be used to install framed modules on foil and bitumen roofs — with and without thermal insulation under the waterproofing — as well as on concrete and gravel roofs. CompactFLAT GS15 has a tilt angle of 15° and is suitable for installing solar systems in south orientation; and AEROCOMPACT has designed the CompactFLAT GS10PLUS system with a tilt angle of 10° for east/west orientation. With south orientation, there is no need for a wind deflector that prevents the reflection of light.

Since it has a distance to the roof surface of around 40 cm, the system is also suited for green roofs.

“The plants get enough light and can be maintained without any difficulty,” said Markus Burger, development manager at AEROCOMPACT.

CompactFLAT GS is composed of several components and does not require long rails for installation. AEROCOMPACT provides a 25-year warranty on the racking.

AEROCOMPACT will showcase CompactFLAT GS at Solar Power International at RE+ in Anaheim, California, from September 19 to 22 at booth #140.

Billy Ludt is associate editor of Solar Power World and currently covers topics on mounting, installation and business for the magazine.

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