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BEFORE YOU START
- This work should not be carried out unless your solar panels can be reached safely. Keep thinking about safety first, and do not take any risks when working on your roof!
- Do not attempt to clean solar panels in daytime, only at sunrise or sunset.
DISCLAIMER:
Our pictorials are of informative nature and do illustrate works carried out by ourselves at our own premises for our own use and satisfaction.
Readers who envisage to carry out similar works inspired by the below method shall do this at their own risks and liability.
Our pictorials are of informative nature and do illustrate works carried out by ourselves at our own premises for our own use and satisfaction.
Readers who envisage to carry out similar works inspired by the below method shall do this at their own risks and liability.
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When to clean solar PV panels?
Solar PV panels' efficiency is much reduced when they end up accumulating dirt.
It is recommended to clean them once a month, and after the first rain of the season, since first drops and showers bring dust and particles from the atmosphere directly into the surface of your PV panels:
It is recommended to clean them once a month, and after the first rain of the season, since first drops and showers bring dust and particles from the atmosphere directly into the surface of your PV panels:
At what time of the day solar PV panels can be cleaned?
Always work at sunrise or sunset when the panels are cold.
Attempting to clean the panels under an intense sunlight can result in a poor cleaning, and your hands can suffer slight burns.
Attempting to clean the panels under an intense sunlight can result in a poor cleaning, and your hands can suffer slight burns.
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Which cleaning product for the solar PV panels?
There are specific products but you can use any of the following:
It is forbidden to use any of the following:
- Household surface cleaner
- Household glass cleaner
- Car shampoo
It is forbidden to use any of the following:
- Solvent
- White spirit
- Chlorine products
- Detergent
- Abrasive paste
Spray the cleaning product directly onto the panel and wipe it immediately with a soft dry cloth, like the ones used in kitchen:
Use circular movements and insist on stains caused by insects, birds or trees until eliminating them completely.
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Make a last pass with a dry mircofiber cloth to remove the thin film deposited by the cleaning product.
If you can bring water up to your roof, then you can obviously rinse the solar panels before and after applying the cleaning product.
If you can bring water up to your roof, then you can obviously rinse the solar panels before and after applying the cleaning product.
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See also...
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