How to clean and maintain solar photovoltaic panels

Can solar panels be cleaned at home?

Cleaning your solar panels can boost their efficiency by up to 25%. In this comprehensive guide, we will delve into the best practices for solar panel cleaning, highlight common mistakes to avoid, and provide you with a step-by-step process for cleaning your solar panels at home.

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.

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.

Do I need a professional cleaning service for my solar panel?

While most homeowners can perform regular maintenance on their solar panels, professional cleaning services may be necessary for more extensive work. Monitoring your solar panel’s efficiency periodically is recommended to ensure that they are functioning optimally.

How often should a solar panel be cleaned?

Solar panels require very little maintenance, especially if they are on a tilt, as rain can wash away any debris. It is generally recommended that you perform solar panel cleaning between two and four times per year. Take extreme care when cleaning. Clean from the ground, as climbing around on your roof can be dangerous.

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.