Does Rain Help Clean Solar Panels?

In the Big Bear area, solar panel owners often worry about their panels getting dirty. As we all know, dirt, dust, and debris can build up over time and reduce the efficiency of your solar system. The good news is that rain can help keep your solar panels clean and running at peak performance. Read on to find out how!

How Rain Cleans Solar Panels

Rainwater has a natural cleaning action that helps remove dirt and debris from the surface of solar panels. As the rain falls, it carries away particles like dust, pollen, bird droppings, and other contaminants that accumulate on your solar panel system over time. This not only helps keep them clean but also improves their performance since the sun can penetrate dirt-covered photovoltaic cells more easily than those with a clear view of the sky.

The amount of rain needed to effectively clean your solar panel system will vary depending on factors such as local weather patterns, panel orientation and tilt angle, as well as type of module you have installed (monocrystalline or polycrystalline). Generally speaking, most areas experience enough rainfall each year to keep your solar panels relatively clean without any additional effort from you. However, if you live in an area with frequent heavy rains, high winds, or light showers that are accompanied by high winds then you may need to take additional steps like professional solar panel cleaning services to ensure your system is functioning at its best.

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