Does Rain Actually Clean Your Solar Panels?
September 14, 2026
Rain removes some loose dust from solar panels, but it doesn’t remove salt film, baked-on grime, or bird droppings — and on a low-pitch roof,
Rain removes some loose dust from solar panels, but it doesn’t remove salt film, baked-on grime, or bird droppings — and on a low-pitch roof,
You can clean solar panels yourself, but it comes with real risk: working at height on an angled roof, and the chance of scratching the
The clearest sign your solar panels need cleaning is a drop in energy output on a sunny day with no other explanation, followed by visible