Be sure to check your panel manufacturer instructions for shutting down the system before cleaning if necessary.
Annual solar panel cleaning.
Depending on factors such as roof slant home height and system size companies charge between 3 and 10 per panel.
Industry experts recommend cleaning your solar panels twice per year to keep them at their peak power output.
Homeowners spend an average of 150 to have their solar panels cleaned.
The national average cost for residential solar panel cleaning is 133.
How to clean those dusty dirty solar panels 1.
Some charge a flat rate within a range of 150 to 350.
If your panels have cracked you may be able.
Brushing any loose dirt off before spraying them with water will make the squeegeeing process quicker and easier.
Soiling on solar panels related to debris dust bird droppings or dirt can accumulate on the surface of the module and lead up to 30 annual losses in worst cases.
Typical annual losses attributed to this factor are located between 2 and 5 regularly however by accumulating soiling on the pv system losses can increase over time.
Rates may be higher or lower depending on your zip code total number of solar panels and accessibility factors such as roof height.