Solar Panel Dust Cleaning Sustains Power Conversion
Dust and dirt are significant contributors to the derating of solar panel power levels. Researchers focus on developing coatings that repel dust from the surface of panels. 
The coatings use electrostatic force to clear dust from the solar panel surface. …
… “A dust layer of 4 grams per square meter can decrease solar power conversion by 40 percent, says Malay Mazumder, a research professor in Boston University … ” …
Via Scientific American: Self Cleaning Solar Panels.
Relevant reference material:
- Professor Malay Mazumder.
- Boston University's Department of Electrical and Computer Engineering.
- Dust cleaning properties.
- Pilkington Self Cleaning Glass.
- Discussion of solar derating factors (PDF).
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Category: Research