solar panel dust accumulation 3

https://solarpaneldustaccumulationedge.fairmontdigest.com/posts/how-solar-panel-dust-accumulation-affects-phoenix-homes-after-major-haboobs

Dust settling on solar panels can really cut down their efficiency, sometimes by as much as 25%. It's a gradual buildup that often goes unnoticed until your energy production takes a noticeable dip. A good rain can help, but in dry areas, you might need to plan a gentle cleaning every few months to keep those panels soaking up the sun properly.