When paint is applied to a solar panel, it not only risks obscuring the protective layer but can also lead to degradation of the photovoltaic cells due to chemical reactions or thermal expansion properties differing from the original materials. Protect Panels Drop Cloth Masking Guide Learn how to paint near solar panels safely with practical tips for preventing shading, overspray, and damage during exterior house painting. You might think that because they're made from glass, they're easy to clean, but you'd be wrong. It is essential to be. Avoid alcohol at all costs on solar panels. If it's only applied on the rag and not sprayed or poured it would be much safer. My solar installer said acetone would remove it but when I went to REC who makes my panels they didn't have any suggestions.
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