Video of cleaning solar cells

How to clean solar panels safely and effectively?

Cleaning solar panels safely and effectively requires the right approach and tools. The best way to clean solar panels is to use a soft-bristled brush or sponge, along with a mild, non-abrasive cleaning solution. It’s crucial to avoid harsh chemicals or abrasive materials that could scratch or damage the panels’ protective coating.

How do solar panels clean?

These systems typically consist of robotic devices that move across the surface of solar arrays, using various methods to clean the panels without human intervention. Some models use soft brushes or microfiber pads to gently scrub the panels, while others employ water sprayers or air jets to dislodge and remove dirt.

Should you clean your solar panels yourself or hire a professional?

When it comes to maintaining your solar panel system, you have the option of cleaning the panels yourself or hiring a professional solar panel cleaning service. DIY cleaning can be cost-effective and allows you to address issues promptly. However, it requires time, effort, and the right tools.

What happens if you clean a solar panel?

Additionally, cleaning panels when they are hot, typically during midday, can lead to thermal shock when cold water is applied, potentially causing the glass to crack or the sealants to degrade. Another damaging technique is cleaning in a circular motion, which can create swirl marks on the panel surface, affecting light absorption.

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.

How much does solar panel cleaning cost?

"Solar panel cleaning costs between £4 - £15 per panel. The total solar panel cleaning costs will be affected by several factors, the biggest of which would be if your solar panels are on the ground floor or on upper floors," explains Checkatrade. "The higher the panels, the more expensive they will be to clean.