Because you don t want to scratch the panels in any way it s best to use just water and a non abrasive sponge to apply soapy water.
How do you clean solar panels on your roof.
Essentially in the same manner you would wash your car at home.
Either clean your solar panels in the morning afternoon or pick a relatively cool day.
The most effective way to clean your solar panels is with a hose and a bucket of soapy water.
Solar panels can become incredible hot in sunshine.
The first thing you want to do is to check with your solar panel manufacturer.
But remember generally cleaning your solar panels isn t something you need to bother with.
However if they are located on the roof then you must use a soft brush coupled with a long extension to make the work easier and safer from the ground.
Fill a bucket with warm soapy water or cleaning solution designed for solar panels.
They have the appropriate safety equipment for navigating the roof.
Avoid using water with high mineral content.
The best way to figure out if your panels need cleaning is to assess the above conditions.
Use a soft cloth or sponge and wipe them down with the soap solution and then rinse them with the hose.
Use your garden hose to spray down the panels.
In some cases this will be enough to get them clean but sometimes you ll need to do a more thorough cleaning.
If your solar panels are installed on the ground then you can opt to use a simple sponge to clean them up or a soft brush as well.