6 Benefits of cleaning solar panels with osmosis

Kim Verduyckt • January 20, 2023



Water filtration is, and should be, one of the most important aspects of any professional solar panel cleaning contractor. Solar panels should never be cleaned with tapped water. Professional solar cleaning contractors will always use deionized and/or reversed osmosis water to deliver the highest quality cleaning.



But first, what is Reversed Osmosis?

Reverse osmosis (RO) is a water purification process that uses a semipermeable membrane to remove impurities and dissolved particles from water. The process works by applying pressure to the water, which forces it through the membrane and leaves the impurities behind. Reverse osmosis is commonly used for window cleaning and solar cleaning, but can also be used in industrial settings to purify water for use in manufacturing processes.



How do you make Reversed Osmosis water?
Reverse osmosis (RO) systems typically consist of several components:


  1. A pre-filter: This is used to remove larger particles such as sediment, sand, or dirt from the water before it enters the RO system.
  2. A semi-permeable membrane: This is the heart of the RO system and is responsible for removing dissolved impurities from the water. The membrane is typically made of a material such as cellulose acetate or polyamide.
  3. A high-pressure pump: This is used to apply pressure to the water and force it through the semi-permeable membrane.
  4. A storage tank: This is used to store the purified water once it has passed through the RO system.
  5. A flow restrictor: It controls the flow of water through the system and helps to maintain the correct pressure on the membrane.
  6. A post-filter: This is used to remove any remaining particles or impurities from the purified water before it is stored in the storage tank.





6 Benefits of cleaning solar panels with Reversed Osmosis:


  • Osmosis water is pure and free of minerals and impurities. This means that it will not leave any residue or streaks on the solar panels, leaving them cleaner and clearer. Cleaning solar panels with tapped water wll result in calcification and hard water stains on your modules, which are hard to remove and will have a drastic impact on your power generation in the long run.
  • Osmosis water is also safe for use on solar panels as it does not contain any chemicals or abrasives. This helps to protect the integrity of the solar panel's surface and prevent any damage to the panels.
  • Osmosis water is also gentle on the surrounding environment as it does not contain any pollutants or chemicals that can harm plants or animals.
  • Osmosis water is also very effective in cleaning the solar panels, as it is able to remove even the most stubborn dirt and grime. This helps to ensure that the panels are functioning at their best, resulting in higher energy production.
  • Osmosis is a filtration process and does not require any special additive or chemical, which can be costly.
  • Osmosis water is also a sustainable solution to cleaning solar panels as it is a natural process and much less expensive compared to using resin to filter your water.



Overall, cleaning solar panels with osmosis water is a safer, more effective and a more sustainable solution that will help to improve the performance and lifespan of solar panels!

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