Do Solar Panels Need Cleaning?

by | Oct 15, 2023 | Glossary and FAQs, Renewable Energy

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Any machinery that is well-oiled and serviced performs better and for longer. We want our wheels to be mud-free and our glass sparkling clear. We should approach solar panels in the same way. By maintaining our solar panels in good condition, we can expect them to work optimally, be free of any safety issues, and continue producing energy for our house or company for many years. Is solar panels cleaning necessary? This is a question that is often asked. A simple response would be yes, but not always. However, cleaning your solar panels frequently is recommended to ensure maximum operation and efficiency.

It should be noted that the frequency with which you clean your solar panels completely depends on your surroundings or the time of year. If you live in a dry climate, you may need to clean your solar panels more frequently than someone in a wet climate.

Do Solar Panels Need Cleaning?

Are Dirty Solar Panels Less Efficient?

Yes, filthy solar panels are inefficient compared to clean ones. Dust, bird droppings, and leaves make it difficult for solar panels to perform at peak efficiency. The efficiency rating of the panels is based on the optimal functioning of these panels, which is harmed by general dirt. Even though SunPower systems have the highest efficiency rating in the market, dust or dirt buildup can harm solar panels.

How Much Does Solar Panels Cleaning Cost?

No single number can be used to predict how much solar panel cleaning costs because various factors might interfere with price estimates. Cleaning charges for your photovoltaic (PV) system range from $300 to $635, depending on various parameters. Regardless of how small your array is, professional roof cleaning businesses charge a minimum of $100 for every service. On the other hand, a 40-panel array on a vast 5,000-square-foot home might cost up to $1,100 for each service. Solar panels are an expensive long-term investment that should be safeguarded.

The long-lasting, no-maintenance energy source has a lifespan of 25 years or more, and most have automated monitoring technology to inform you when efficiency is low. Schedule biannual cleanings to safeguard your investment and guarantee your solar system functions at top capacity.

How Often Do You Need to Clean the Solar Panel?

When solar panels become dusty, they should be cleaned. Depending on the conditions, this might vary from one place to the next. For example, if you live in a location with high levels of air pollution, you will need to clean them more frequently than someone who lives in a less polluted environment. The first thing to remember is that it is ideal for cleaning your solar panels when there is a need to do so, such as when there is debris on them, a coating of dust, or what appears to be a film on the panel, and you notice a major drop in the amount of efficiency. Don’t put it off any longer if it needs to be cleaned. In this circumstance, the sooner you get them cleaned, the better.

Also Read: Is Solar Rooftop A Good Investment?



  • Michael Thompson

    Michael Thompson is an esteemed expert in the renewable energy sector, with a profound experience spanning over 25 years. His expertise encompasses various sustainable energy solutions, including solar, wind, hydroelectric, and energy efficiency practices. Michael discusses the latest trends in renewable energy and provides practical advice on energy conservation.

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