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These Energy-Independent Robots Keep an Israeli Solar Plant Dust-Free

 - Apr 9, 2014
References: ecoppia & gizmag
The Israeli solar power plant ‘Ketura Sun’ is being cleaned nightly by a fleet of highly motivated, water-free, energy-independent autonomous robots.

The ‘Ecoppia E4’ robots are mounted on a frame that moves horizontally along the solar panels, while the robots move up and down in a vertical motion and use a rotating brush to clean the panels. The brushes are made of soft microfiber and also use air blowers to remove 99% of dust build-up. The robots are themselves powered by solar panels, making them completely energy-independent.

Ketura Sun was the first commercial Israeli solar plant. Before the robots were introduced, the plant was cleaned only nine times a year because of the expense and manual labor needed to clean it. This meant dust would often collect on the panels, making the plant’s operations inefficient. Thanks to the Ecoppia E4 robots however, the plant will now operate in dust-free conditions.