Solar Wash Protect

Gallery Solar Wash Protect 1
Gallery Solar Wash Protect 1
June 2021
Headquarters 4740-010 Esposende, Portugal

Solar Wash Protect - Chemitek solar wash protect (swp): an eco-friendly cleaning category for solar pv panels

Chemitek's Solar Wash Protect (SWP) is an eco-friendly and biodegradable cleaning product with washing and protection properties, developed and certified for solar panels. SWP presents innovative and efficient characteristics to clean and protect solar PV panels, significantly improving their power generation performance and reducing their maintenance needs and costs. Cleaning panels with SWP instead of just with water delivers significant water savings, decreasing the volume of water waste by 20% per panel. After washing, the protective anti-adherent characteristic will reduce the adhesion of soiling to the panel keeping it cleaner for a longer period of time. Gains in efficiency of up to 4% can be achieved due to the anti-adherent characteristics left on the panel post-wash. This solution delivers enhanced energy gains and reduced water use, all whilst saving money for the user.

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Key features

  • Reduces water use by 15%-20% in the cleaning of solar panels
  • The use of SWP50 is equivalent to a reduction of 28.95kg of CO2e for each kg of product
  • Non-solvent, pH neutral, biodegradable


  • SWP RTU can increase production on a 400W panel by 2.5%, represents an additional 33kWh in 3 months
  • Increasing production by 2.5% on 165 400W panels would deliver an additional 541kWh in half a year, saving €91.97

Categories of Application

Maturity Stage

  • Medium and large scale commercialization
  • Small scale commercialization
  • Initial market commercialization
  • Prototype testing in the real world
  • Prototype testing 1:1 in the lab

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The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances.