Together with architect Gerold Strehle and PR Stromkreis Elektrotechnik, Mo Energy Systems has developed a standardised photovoltaic solution for cycle paths. The system has a modular structure and can be realised quickly thanks to a high degree of prefabrication. It is suitable for the comprehensive expansion not only of the cycle path network in Vorarlberg, but also in other regions.
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Between two and 4.5 metres wide
The system consists of prefabricated standard elements with a length of twelve metres. These are connected to each other, allowing cycle paths of any length to be covered with solar panels. The width of the system is variable and starts at two metres. The construction can be widened in steps of 0.5 metres up to a maximum span of 4.5 metres. The cycle paths are covered with double-glazed modules.
100 metres erected in just a few days
The structure stands on steel mounting posts, into which the cables are also laid. The project developers are able to anchor the mounting posts without any concrete or excavation work. The inverters are integrated into the supporting structure. Industrial prefabrication and plug-in connections ensure simple and efficient installation.
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According to the project partners, more than 100 linear metres of solar cycle path can be installed in just a few days. The system is protected against vandalism and can be dismantled and reassembled elsewhere without leaving any residue. The project partners have also developed a rail-guided trolley for the maintenance and cleaning of the entire system and the modules.
450 megawatt hours per kilometre
According to the project partners, one kilometre of solar cycle path with a width of three metres generates around 450 megawatt hours of solar power every year. "The stretch from the Dornbirn-Nord roundabout to the start of the Dornbirn-Schwefel housing estate alone could supply 860,000 kilowatt hours per year. That's enough for more than 200 single-family homes," explains Alexander Moosbrugger, Managing Director of Mo Energy System. "The Vorarlberg cycle path network has 1,000 kilometres. Five per cent of this could supply electricity for around 7,000 households," he calculates.
Economical operation is possible
Economical operation is also possible. "Depending on the utilisation model, the investment of around three million euros pays for itself after just 14 years. This does not even take into account any subsidies at federal, state or EU level," says Alexander Moosbrugger.
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The solution has also already won an award. As Mo Energy Systems has announced, it has been honoured with the Innovation Award of the Austrian Photovoltaic Technology Platform (TPPV) in the category "Special Prize for Visionary Concepts". (su/mfo)
