ENERGYglobal
Fraunhofer CSP warns some cleaning agents may reduce PV module performance by up to 5.6%
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Updated 3 hours ago
First seen March 23, 2026 13:12:22Stay on top of this story
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Quick Summary
Researchers at the German institute found that some widely used PV cleaning agents can damage anti reflective glass coatings, significantly reducing solar module efficiency. Their tests showed that while some cleaners are safe, others cause visible and permanent coating degradation, highlighting the need for careful selection of cleaning products to avoid long term performance loss.