Washing Solar panels

wash solar panel

Solar Panels Need Cleaning

Solar panels need cleaning to maintain their efficiency and performance. They are installed to self-clean through rainwater. Debris, dust, bird droppings, and pollutants on solar panels obstruct sunlight and reduce efficiency. Therefore, wash solar panel is very important for optimizing the output of solar panels.

When should you wash solar panels?

Cleaning solutions are required to wash solar panels?

Solar Sathi will share the four best cleaning solutions.

Soap Water

Wash solar panels by mixing the water with mild soap. Rinse off softly by using the scrubber. Soap water not only cleans the solar panels but also avoids chemical damage.

Hydrophobic coating

A hydrophobic coating is the best alternative solution for cleaning the solar panels. This hydrophobic coating is known as an ultra-thin, invisible layer. This layer not only protects the solar panels but also enhances the performance of solar panels. This layer prevents sunlight obstruction caused by the debris.

Low-Pressure Washer

Professional Service

Step-by-step guide for cleaning the solar Panels

Here you will find the information on how to clean the solar panels.

Ensure Safety

Before washing, ensure your safety first. You are well equipped with safety equipment when you go to the roof.

Select the right time.

Wash the solar panels at the right time when the day temperature is low. In hot times of day, there will be the difficult challenge of washing. Therefore, evening and early morning are the right times to clean solar panels.

Bring the Solar Panel cleaning equipment

Pick the material as follows:.

  • Soap or any other cleaning solution
  • Water
  • Non-abrasive Sponge/Cloth

Washing Process

Remove the debris or dirt by washing the solar panels
Gently remove the debris with the help of a sponge or cloth
Apply a small portion of soap
Again, rinse the solar panels with water to remove the soap residues.
Dry the panels with a mop, sponge, or swab.

Inspection

After washing the solar panels, inspect the panels to see if there are any damaged cracks or debris present on the panels. Regular inspection is required for maintenance and high efficiency of solar panels.

What Should You Avoid When Washing Solar Panels?

Avoid harsh and strong cleaning agents, detergents, and abrasive cloths. These strong cleaning agents can damage the surface of panels.
Never stand on panels; these can crack the solar panels.
Install a CCTV camera to monitor the condition of your solar panels.

Maintenance of Solar Panels (Tips)

The efficiency of solar panels is reduced when solar panels are placed in shade. So, keep the solar panels out of any shade.
Monitor the solar panels and inverters. Inverters should flash the green light.
Document the performance of solar panels day to day.
If you do not have time for cleaning the solar panels, then install the automatic cleaners.
Automatic cleaning by cleaning robots reduces the cost by 40% as compared to manual cleaning.

Hire the Professional

Hire a professional in the following circumstances:

  • If you are living in an extremely polluted area, you need a professional with special equipment for removing pollutants.
  • If you are living in an area where bird-dropping accumulation is very significant, hire a professional.
  • If you have safety concerns, then hire a professional.

Washing Solar panel

Conclusion

Frequently Asked Questions

CapacityCleaning Cost
5 kW1,500
10 kW3,000
15 kW4,500
20 kW6,000
25 kW7,500

Clean the solar panel glass by using water and soft nonabrasive cloth.

Domestic or white vinegar is safe for cleaning solar panels.

Solar panels are fragile and walking on solar panels can crack. Therefore, do not walk on panels.

Rain cleans the solar panels by removing dust, debris, and bird droppings. But this is not effective washing.