Sharp Energy Solutions Europe's NU-JC Series Solar Modules Achieve Hail Resistance Class 4 Certification

 have not only become more frequent but also more intense in recent decades. With the expectation of increasingly extreme weather due to climate change, insurance companies are imposing stricter requirements on building components, including PV roof systems. Switzerland and Austria maintain what is known as a hail register, which classifies various construction products, including PV modules, into five hail resistance classes, ranging from HW1 (10mm hailstones) to HW5 (50mm hailstones). The testing regulations were developed under the leadership of the Association of Cantonal Fire Insurances (VKF). This classification not only allows for the appropriate selection of a PV module for a specific region, but can also influence insurance cover for hail damage.

Most commercially available PV modules are certified according to the IEC 61215 standard, which only includes a hail test with 25mm hailstones. To achieve Hail Resistance Class 4 (HW4), NU-JC series PV modules from SHARP were successfully tested by TÜV Rheinland with 40mm hailstones at a speed of around 100 km/h, according to the more stringent testing criteria of the hail register. The final examination for performance degradation and mechanical damage was successfully passed in all categories. The award of Hail Resistance Class 4 (HW4) and the "VKF Hail Protection" certificate can be viewed on the publicly accessible portals hagelregister.ch and hagelregister.at.

Currently, there are approximately 60 certificates for PV module manufacturers on these portals, with about half of them having been awarded the HW3 classification which is surpassed by the higher HW4 hail resistance of the NU-JC series PV modules from SHARP.

Sharp Energy Solutions Europe takes pride in its commitment to providing solar modules that not only meet but exceed industry standards, ensuring reliability and longevity in diverse weather conditions. Its inclusion in the Swiss and Austrian Hail Register is a testament to the advanced technology and robust construction of Sharp solar modules.


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Sharp is one of the world's largest photovoltaic manufacturers and has been a driving force behind the use of photovoltaic technologies for 60 years. Sharp offers solar modules for the environmentally conscious energy production. To date, Sharp has delivered more than 50 million PV modules worldwide. Sharp’s portfolio of high-performance PV panels is built for residential, commercial, and free-field installations. Working with partners in advanced engineering sectors including aviation, astronautics and the e-mobility industry, Sharp continuously proves innovative strength with new solar applications. Sharp has been active as an EPC in the project business worldwide, working alongside partners on the development of PV projects. Sharp seeks and acquires project rights at every development stage and offers partners direct access to production capacities and financing options.