How Often Should I Clean My Solar Panels and Why Does It Matter?
Ever wonder how often you should clean your solar panels? Experts in the solar panel industry recommend you clean them every 6 months to get the maximum efficiency from your investment into solar panels. Solar panel industry experts say you can improve the efficiency 12-25% depending on how dirty the panels are. So, cleaning them more than pays for itself.
Here is a link from the solar panel industry elaborating on this topic: