The same study also found that rain is not a satisfying way of cleaning solar panels.
Cleaners for solar panels.
Admittedly it is a very shallow hill and it might take over 40 years to get to the bottom but day one is going to be as good as it gets.
The day your solar panels are installed is the day you will get the best performance out of them.
Cleaning solar panels that had been in operation for 15 months doubled their output of electricity.
Google did a study on the need to clean solar panels.
Your solar panels need to be exposed to sunlight in order to produce power.
One of the reasons for this is dirt.
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.
Solar panels that were cleaned professionally had a 12 higher output of electricity compared to those cleaned by rain.
After that it is all down hill.
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.
As soon as your panels are out in the open in the clean air or not so clean air dust.
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.
The most effective way to clean your solar panels is with a hose and a bucket of soapy water.
Check with your solar installers and providers to determine if there is any information about solar panel cleaning recommendations and dos or don ts when it comes to cleaning your system.
This is where cleaning solar panels may have to be done.
However unless you live somewhere with high amounts of smog dust dirt or sand blowing around solar panel cleaning is generally not necessary in most cases occasional rain will be enough to naturally and safely keep your solar panels clean and free of debris that could lower production.
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.