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How to clean a solar panel?

Updated on March 11, 2015

Solar Panels


How To Clean a Solar Panel

In some countries solar panels have become commonly used energy generators. They are used both in residential and commercial sectors. One of key advantages of this device is that it is absolutely ecological and has no toxic byproducts. The article provides a brief review on what is a solar panel, how it works, and gives instruction on how to clean a solar panel installation.


What are Solar Panels Made Of?

Solar panels consist of modules that are made of interconnected photovoltaic cells and aluminum frame. From the outside the modules are protected by a special plastic or glass layer. When installed, several PV panels are used to increase efficiency of electricity generation. The whole installation would include PV panels, batteries, inverter, and wiring. The batteries require special maintenance conditions as once they can be easily damaged by heavy snow, hail or wind. There are different types of solar panels so when purchasing or installing one consult the expert to make sure you will get exactly what you need.

The basic principle behind solar energy generation is that the PV cells generate the energy from solar photons and the photovoltaic physical reaction. Among the main distributors of the solar panels are First Solar, Sharp, Sanyo Electric, and other.


Solar Panel Step-By-Step Cleaning Instructions

Now let’s proceed to the how to clean a solar panel instructions. When solar panels get dusted and grimed they are no longer as effective as they should. Thus the panels require proper and regular cleansing. Before starting cleaning you should read the solar panel instruction thoroughly to know all specific features of the material it is made of. As solar panels are very sensitive (either to physical damage or chemicals) they should be cleansed strictly following the manufacturer instructions and manuals. However the cleaning process may be as easy as to clean a window if your solar panel is of a standard type. Whatever design normally solar panels require seasonal washing. Below we will review this design.

Standard solar panels have all sensitive components (cells, wires, etc.) isolated under the protective plastic or glass shield. If you have noticed cracks or any other slight damage apply for a professional technical support.


Note: make sure you have a container with water, soft towels that absorb water well, sponge, rubber squeegee, and cleansing liquid.

Step 1. With a sponge or towel wipe away any apparent dirt or snow.

Step 2. Add cleansing liquid to the bucket with warm water; stir to dissolve.

Step 3. Wash the hand-level reachable surface with sponge and soapy water.

Step 4. Use rubber squeegee for upper levels of the solar panel. Dip the rubber in the soapy water and do motions likewise as you would wash windows (from upside downwards).

Step 5. Scrub gently the panels where needed.

Step 6. Remove excess water with rubber squeegee.

Step 7. Where needed remove or prevent water spots using soft dry towels.

Save Yourself the Trouble - Go Auto!

You may be interested to know that there are self-cleaning and automatic cleaning options available nowadays. Thus when purchasing a solar panel, consult the shop assistant or distributor for more details. We hope you have found much useful information on how to clean a solar panel in our article.

Solar Panel Cleaning and Temperature Deration


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    • profile image

      ed burns 7 years ago

      Nice work with video.

    • natura profile image

      natura 7 years ago from Melbourne

      Great presentation, yes indeed you need to keep the solar panel free of hard dirt. Overtime the rain and dust build up thus lowering the efficiency of the solar panel.