California based solar installer and maintenance provider bland company never uses a cleaning agent on solar panels instead relying on deionized water and a rotating brush system to wash solar panels.
How to clean solar panels on roof automatically.
They found that tilted panels don t require cleaning as much as flat panels.
Google did a study on the need to clean solar panels.
These are fantastic since they make it easy to reach the panels from the ground.
Essentially in the same manner you would wash your car at home.
Your solar panels need to be exposed to sunlight in order to produce power.
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.
But first let s look at when and why you might need to invest in solar panel cleaning equipment or hire a professional cleaning service.
This is where cleaning solar panels may have to be done.
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.
Grime and bird poop doesn t need to cover an entire panel to have an effect.
Keeping solar panels clean can also improve their efficiency.
Solar panels are generally self cleaning but in particularly dry areas or where panel tilt is minimal dust and other substances such as bird droppings can build up over time and impact on the amount electricity generated by a module.
There are special washing brooms to buy with telescopic handles.
The most effective way to clean your solar panels is with a hose and a bucket of soapy water.
Soaps can leave a film or residue that not only shades panels like the dirt that was just washed off but it can also encourage dirt to stick and build up faster said daniel green bland.
Some manufacturers and solar panel users report a jump in efficiency of 30 percent or more after a cleaning.
We ll get to the best way to clean your solar panels in a minute.
A soft household broom is great to use to gently scrub away persistent bird droppings from the solar panels.
How to clean solar panels with water and a soft broom.