Sunmodule Plus excels against Europe-based laboratory’s new, more stringent quality criteria HILLSBORO, Ore.--(BUSINESS WIRE)--Solar panels from SolarWorld, the largest solar manufacturer in Europe and the United States, have earned the highest ranking in the PV+Test, a rigorous testing regimen that evaluates solar panels according to broad technical and financial criteria. The company’s Sunmodule Plus SW 245 polycrystalline silicon solar panel achieved the top grade of “very good,” under this year’s more stringent assessment standards known as PV+Test 2.0. “As far as quality is concerned … [the] photovoltaics manufacturer stands out compared with all of the Chinese modules evaluated...
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