How to clean solar panels safely and effectively

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These devices, commonly called solar panels, convert sunlight into electricity. To maintain efficiency and extend their lifespan, they should be kept free from dirt, dust, leaves, bird droppings and other debris.

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Here is a step by step guide to cleaning solar panels safely and effectively. The first consideration is accessibility because safety is the top priority.

1. Preparation and safety

Before starting, ensure the proper safety conditions are in place. Disconnect the system to prevent possible electric shocks during cleaning. Use personal protective equipment such as gloves and safety glasses to protect hands and eyes.

2. Choosing the right moment

Cleaning should be done when temperatures are cooler, early in the morning or late in the day when the sun is less intense. Avoid washing on rainy days or in strong winds to keep the process safe and effective.

3. Examining the panels

Before cleaning, inspect the panels for any damage such as cracks, chips or loose connections. If issues are found, arrange professional assistance to fix them before continuing the cleaning.

4. Tools and materials

Necessary items include a soft non abrasive cloth or sponge, a long handled soft bristled brush, a water hose, a bucket and a mild biodegradable detergent that leaves no residue.

Solar panels. LAS ROZAS CITY COUNCIL

5. Cleaning the panels

Fill a bucket with warm water and a small amount of mild detergent. Damp the cloth or sponge in the solution and gently wipe the surface in sections using circular motions. Pay extra attention to areas with heavy dirt or bird droppings.

6.Rinse

Rinse the panel with the hose to remove all detergent. If needed, repeat cleaning and rinsing until the surface looks clean.

7.Drying

Allow the panels to air dry. Avoid using cloths or towels as they may shed fibers or cause scratches on the surface.

8. Final review

Once dry, perform a final inspection to confirm there is no residue or staining left on the panels.

9.Reconnection

Reconnect the solar panels and verify proper operation after the cleaning cycle.

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Reconnect the solar panels and verify they are working properly. By following these steps, the solar panels will remain clean and efficient, helping to sustain optimal performance and longevity.

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