How to clean the surface of solar photovoltaic panels

How to clean solar panels?

Step 2: Choose the best approach: If your solar panels are on the roof, consider using a telescopic window cleaning pole to clean them from the ground instead of using a ladder. Step 3: Mix your cleaning solution: In a bucket of warm water, mix a small amount of mild detergent or use a specialised pre-mixed solution.

What is solar panel cleaning?

Solar panel cleaning is a process of removing dirt, leaves, debris, bird droppings, dust, etc. from the panels to help them absorb sunrays properly. A study conducted in Spain has shown that a year of build-up dust can lower the average efficiency of the solar system by up to 4.4%.

How to clean solar panels without using water?

Dry cleaning is another best method to clean solar panels if you want to avoid using water in cleaning solar panels. You can consider the following techniques. If the surface of your solar panels is covered with light dust, dirt, or debris, you can use a soft-bristle brush or broom to get rid of it.

Do solar PV panels need to be cleaned?

That said, most solar pv panels in the UK will not need any heavy-duty cleaning because regular rain will wash most dirt and grime off the surface, dispelling one of the myths about solar being its difficulty to clean.

Can you use vinegar to clean solar panels?

Vinegar is a great cleaning agent for solar panels because it contains acetic acid, which is very capable of breaking down tough stains, dirt and grease. It is also readily available and any vinegar will do although the best type to use is white cleaning vinegar.

Should you clean solar panels from the ground?

Safety first: Always prioritise safety when cleaning solar panels, especially if they are on rooftops. Most systems can be cleaned from the ground using a long-handled brush, reducing risk. If you can't reach the panels safely or are unsure about the process, hire a professional, as annual cleaning is typically sufficient.