Solar panels are a great addition to a home, providing reduced power bills and reduced impact on the environment. One thing many solar panel owners may not realise however, is that they require regular cleaning to ensure they are running efficiently.
Panels can accumulate dust, bird droppings, pollen, ash and other debris which reduces the PV cells ability to absorb the suns energy. As such, there may be an efficiency drop of up to 40%. The only way to effectively get the panels working at 100% again is to undertake solar panel cleaning. Unfortunately, rain doesn’t get the job done properly.
How We Clean Solar Panels
Our solar panel cleaning approach utilises deionised water, and a high quality water fed brush, to remove debris and leave the panels crystal clear, without streaks. This process is non-abrasive, preventing any damage to the panels, while also being an environmentally friendly alternative to the chemicals some companies use.
Generally speaking, this is the only way manufacturers will recommend that solar panels are cleaned. The use of chemicals may void the warranty on many systems.
How Often Do I Need My Solar Panels Cleaned?
This will vary, depending on your location, the surrounding landscape and the way your panels are installed. Generally speaking, the greater the angle the panels are installed at, the less frequently they require cleaning. Flat panels require much more frequent cleaning.
Similarly, a property surrounded by trees will build up with debris much quicker than one without any foliage to leave tree sap, pollen and bird droppings on the solar panels.
For optimal results, solar panel cleaning should be performed every 1-2 years for most properties. Getting a service in summer is often best, as this will also reduce dust build up that occurs over the drier months.
Solar Panel Cleaning Perth Prices
Our prices are $6-$7 per panel on single story houses and $8-$10 per panel on double story. Discounted rates apply for larger scale jobs, above 20 panels. Commercial systems, usually much larger in scale, will be also be quoted at a reduced rate per panel. We also offer reduced rates when combined with a gutter cleaning service. Minimum callout charge of $90+GST.
For a free quote or to book in a job, simply fill out the form below and we’ll get back to you with availability.
Why Do I Need my Solar Panels Cleaned?
Solar panels are designed to convert sunlight into electricity, so any obstruction that shades or blocks sunlight from reaching the solar cells can decrease the efficiency and energy output of the panels. Here are the main reasons why it’s essential to keep solar panels clean:
Maximize Efficiency: Dirt, dust, bird droppings, leaves, and other debris on solar panels can block sunlight, leading to reduced energy production. Even a thin layer of dust or pollen can reduce the efficiency of your solar panels. By keeping the panels clean, you ensure they operate at maximum efficiency. Believe it or not, we’ve seen improvements of over 30% after a solar panel cleaning service. Imagine the improved energy efficiency as a result!
Financial Reasons: The efficiency drop caused by dirty solar panels translates to less electricity generation and, consequently, a longer time to realize the return on your solar panel investment. By maintaining their cleanliness, you can save money in the long run.
Longevity and Durability: While the buildup of dirt and debris might not directly harm the solar panels, accumulated moisture, dirt, or bird droppings can cause hot spots on the panels. These hot spots can degrade the solar cells more quickly and reduce the lifespan of the panels.
Monitoring and Maintenance: By cleaning your solar panels, you also get a chance to inspect them for any potential damage, wear, or malfunction. It’s easier to spot issues like cracks or delamination on a clean panel than a dirty one. We always check over the solar panels during our cleaning service to check for these issues.
Warranty and Guarantees: Some manufacturers or installers might have conditions related to maintenance in their warranty terms. Neglecting regular maintenance, which includes cleaning, could potentially void such warranties. The majority of manufacturers recommend a yearly clean to ensure the panels are maintained in good condition.
Aesthetic Reasons: For many homeowners, the appearance of their property is essential. Clean solar panels look better and can contribute to the aesthetic appeal of a home or building.
Environmental Impact: The reason many people opt for solar panels is to reduce their environmental footprint. To ensure you’re making the most significant possible positive impact, it’s crucial to maintain the panels’ efficiency by keeping them clean.
Solar Panel Cleaning Perth
If you’re looking to get your solar panels cleaned, get in touch for a free, no obligation quote via the button below.
If you’re unsure on how many panels are on your roof, we can generally check online and count them via Google Maps. We’ll send you a quote based on the number of panels, as well as access and size.
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