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- Sunny prospects for sustainable energy gains
When constructing a new production site in Iggensbach (Bavaria), Fenecon planned a large facade solar system for generating electricity. For the secure attachment of the photovoltaic modules, the planners and executors used a facade system from fischer BWM Fassadensysteme, which was further developed in cooperation with the module manufacturer Solarwatt for the project-specific requirements.
Fenecon is a leading manufacturer of energy storage solutions and offers systems for private households as well as commercial, industrial, utility and vehicle manufacturers. The solutions use the in-house energy management system FEMS based on OpenEMS. Fenecon, based in Deggendorf in Lower Bavaria, has been manufacturing large container storage systems from electric vehicle batteries since 2017. The success of the concept prompted a rapid expansion of production. At the beginning of this year, the company commissioned its new location in Iggensbach, about 30 kilometres northwest of Passau: the CarBatteryReFactory. In future, energy storage units will be manufactured from zero, first and second-life vehicle batteries. In addition to the production facility, the complex also includes warehouses, development laboratories and offices. The CarBatteryReFactory marks the important step towards the industrialization and mass production of electric vehicle battery-based large-scale storage systems.
Fenecon planned to generate a large part of the energy for the new plant from renewable sources. Fenecon therefore planned to use suitable roof and facade areas for solar power production. The photovoltaic modules should be integrated into the rear-ventilated curtain facade. “The advantage over roof-mounted and roof-mounted systems is that the winter yield of a solar facade is higher, and the electricity yield is also significantly improved in the otherwise less profitable months,” says Benjamin Orths, who was co-responsible for the project as international product manager for facade systems at the fischer group of companies.
Gaass Florian GmbH from Grainet, Lower Bavaria, was commissioned to carry out the facade work. Solar modules from our partner Solarwatt from Dresden were used. A total of 552 Solarwatt vision GM 3.0 construct glass-glass solar modules were installed on an area of approx. 1,050 square metres. They provide a peak output of 204.24 kilowatts peak (kWp). The solar modules have a general building authority approval (abZ), which means that they can also be used for solar parking lot monitoring and for facades without additional protection.
fischer BWM Fassadensysteme supported the project managers in facade planning and, in partnership with Solarwatt, developed a project-specific fastening solution that can be transferred to other projects. “The result is a completely safe system that can be used in all relevant areas such as residential, office and commercial buildings, provided there is a ground for anchoring,” says Benjamin Orths. “Thanks to our substructure for PV systems, already sealed areas can be used and existing facades can be activated to generate renewable energy.”
The special feature of the innovative design: For the construction of high-quality architectural facades, it is possible to avoid obstructive visible components such as insert rails and clamps by fastening them with staples. In addition, the system enables a facade image with minimal joints. At the same time, it is a stress-free, permanent construction that holds the modules securely in the facade. The system is easy and user-friendly to assemble and disassemble as required.
The result is a completely safe system that can be used in all relevant areas such as residential, office and commercial buildings, provided there is a ground for anchoring
