How to Clean Solar Panels on Garden Lights?

Tim Hamlin
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What Would Happen If You Did Not Clean Your Solar Panels?

Your solar panels should be cleaned at least once a year for optimum performance. If you fail to keep them clean, you could face a variety of issues.

First, cleaning your solar panels will not only allow them to work better, but prevent them from getting damaged. If you live in an area with a decent amount of dust, leaves, and other debris, you may want to clean your panels or even your entire solar panel system more often.

For instance, car and motorcycle emissions can become the source of dust and other particles that will interfere with the efficiency of your solar panels. In addition to allowing your panels to work better, it will extend the life of your panels.

So, why would not cleaning your solar panels cause damage? Some of the particles that will end up on your panels may be acidic or particularly corrosive. Through abrasion, these particles could pit or damage the panels. If you do not keep your panels clean, they will weaken and cause your batteries to run down faster.

If you fail to clean your solar panels, the efficiency and quality of your batteries and other equipment may suffer. We covered in a previous blog how much energy solarpanels can save you and it is without a doubt worth your time to take care of them effectively. Even if you know nothing about solar panels, simple cleaning will not take much time.

Follow these four easy steps:

Is Rainwater Not Enough to Clean the Solar Panels?

In most cases no. While the water on your roof as it falls does wash some of the dirt and dust from the solar panels, the ones that get washed off are washed off completely and it carries with it all the dirt to your gutters.

That leaves the dirt on the roof to dry and then get kicked around when someone walks on it, or when it rains more dirt gets washed down. This can damage your panels and lead to slower production.

How to Clean the Solar Panels of your Garden Lights?

Owners will feel good about putting solar lights in their gardens to illuminate the path in the evening. However, with the sunlight hours decreasing in the fall, the solar panels will be covered in leaves and dirt which will decrease the amount of sunlight that reaches them. This makes the solar lights appear to charge but does not produce as much light. The leaves will also impede the energy production by causing the panels to overheat. This is a guide about cleaning solar panels.


  • Be certain not to let the solar panel soak or get wet.
  • Begin by pulling leaves and debris off of the solar panel, moving away from the solar panel and trash can, so that you do not accumulate a pile of debris in the panel.
  • Use the hose and a soft-bristled brush to clean the surface of the panel. A soft-bristled brush will be gentle enough to not scratch the surface.
  • After you have pulled the debris and leaves off of the panel, use a soft cloth or brush to wash the dirt off the surface of the panel. The solar panel is made of glass and water should not be allowed to reach the sides of the panel.
  • Do not scrub the solar panel. The solar panel has photovoltaic cells that should not be scratched off.
  • Dry the surface with a cloth after water spills.

How Often Do You Need to Clean the Solar Panels of Your Garden Lights?

Solar garden lights work in exactly the same way as solar panels, which convert light energy into electrical energy. While the lights themselves certainly do not produce enough energy, when they are connected in a series, the resulting current is stored in the batteries of the solar garden lights.

A possible source of power for the system would be to connect the solar lawn lights of a fence to a recharging panel. Connecting the lights in a series you get an output voltage which is at least equal to the voltage of the solar panel. It is then used for the charging of the batteries.

If the lights are dirty, on the one hand, it is recommended to clean them with brushes or a soft cloth or sponge. It is very important that the lights are clean. Otherwise, the dirt can reduce the performance of the solar panel.

Otherwise, the dirt can reduce the performance of the solar panel. Therefore, if you want to clean the lights from time to time, this is also recommended. Please note that dirt is the greatest enemy of solar panels. It also reduces the efficiency of a solar panel.

On the other hand, you can also regularly clean the solar panel itself. This is recommended, as a clean panel always gives better and / or at the same amount of light than a dirty panel, as a clean panel can better convert incoming light into energy.


The solar panels make the lanterns and lights in the garden a source of energy, which is a great way to save energy. But if you want to get the best out of them, you have to take care of them and clean them regularly. You should look after your investment in the product if you are thinking about saving money in the long term.