Solar Panel Cleaning vs Rainfall: Is Natural Rinsing Enough?
Rain can rinse loose dust from solar panels, but it does not reliably remove every deposit that affects performance. Whether natural rinsing is enough depends on local weather, nearby trees and roads, roof conditions, panel angle and the type of residue on the glass. For households and businesses in Norwood, South Australia, the practical answer is usually: rain helps, but it is not a substitute for checking the panels and arranging cleaning when there is visible buildup or