Solar Roof Cleaning

Should you clean solar panels on a rooftop?

Safety is vital when it comes to cleaning solar panels, especially if they’re on rooftops or elevated locations. Some essential safety precautions to follow include: Turning Off Power: Before cleaning the solar panels, switch off the power supply to the system to prevent the risk of electric shock.

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 panels need cleaning?

There are some instances where solar panels might need cleaning, but most of the evidence says solar panels are self-sufficient and low-maintenance. We’ll get to the best way to clean your solar panels in a minute.

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.

When should I clean my solar panels?

Optimal timing: Clean your solar panels in the early morning or late afternoon when they are cooler. This prevents water from evaporating too quickly, which can leave streaks or residue and affect efficiency. Cooler panels are also safer to clean. Check warranty: Review your solar panel manufacturer's warranty guidelines before cleaning.

Can you clean solar panels in summer?

Summer is still possible to clean solar panels but is less than ideal. This is because using a hose pipe to spray cold water on the panels in hot weather may potentially damage them, so on these occasions it is best to do this in the early morning or in the evening.