100 kW Flat Roof Solar System of Hanwha Q CELLS Produces Clean Energy on Roof of German Fire Protection Specialist


A 100 kW Q.FLAT-G4 photovoltaic flat roof system has been installed on the roof of the fire protection company Nagel GmbH in Bitterfeld-Wolfen, Germany. The flat roof solution Q.FLAT-G4 combines Q CELLS solar modules with a customised substructure. The system consists of 356 Q.PLUS-G4 solar modules with 280 Wp and Q.ANTUM technology.

With a performance ratio of 86 %, the system is designed to produce more than 80,000 kWh of clean energy per year and reduce CO2 emissions by 500 kg. Roeder Solar GmbH, headquartered in Halle, planned and installed the system with east-west orientation.  Over the past 13 years, the company has installed more than 1,200 solar energy systems in central Germany. Roeder Solar GmbH is a Q.PARTNER, a company within the Hanwha Q CELLS installer network.

The Hanwha Q CELLS system solution Q.FLAT-G4 forms the basis for the system in Bitterfeld-Wolfen. Q.FLAT-G4 is much more than just a substructure. The experts at Hanwha Q CELLS optimised it specifically for the use of high-performance modules of the Q CELLS brand. Therefore, the system is only compatible with Q CELLS modules. A major advantage of Q.FLAT-G4 is the quick and easy, but safe installation, which does not require any penetration of the roof structure. The system produces nearly the same amount of energy, regardless of its orientation, which allows maximum use of the roof surface. In combination with Q CELLS’ high-performance modules with Q.ANTUM technology, Q.FLAT-G4 maximises the system yield, giving the customer an optimum self-consumption rate. That is what makes Q.FLAT-G4 the comprehensive solution for flat roofs, including planning, documentation, delivery and installation by a certified Q.PARTNER company.  Hanwha Q CELLS first presented the flat roof solar solution at the Intersolar Europe trade fair in June 2017.

Dirk Musold, Managing Director of Röder Solar GmbH, said, “With the Q CELLS ROOFTOP PLANNER, system planning and documentation is quick and easy—just like the installation itself, which only requires one type of tool.” Mario Schulte, Key Account Manager at Hanwha Q CELLS, said, “We are delighted about successfuly completing ofthe first Q.FLAT-G4 project in Germany.  In general, it makes a lot of sense for industrial and commercial businesses to switch their energy consumption to self-produced solar energy.  This way, they save money in the long term while also becoming more sustainable. Q.FLAT-G4 is the ideal solution for this purpose. The high performance rate, reliability and outstanding energy yield of Q CELLS’ modules in low light and high temperatures are what set them apart from the rest.”

Source: Hanwha Q Cells

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