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Other companies touting robot-cleaning solutions include Mirakikai in Japan, Solarbrush in England, and Greenbiotics, which was acquired by U.S. Cleaning without water also translates to a savings of 110 million gallons (420 million liters) over 10 years, Meller said. Meller said the costs of installing the Ecoppia system-around $11 million for a facility of that size, a bit more than what he estimates is lost each year with a conventional cleaning set-up-can be recovered within 18 months.
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To avoid hard water marks and streaks, each panel will need to be dried thoroughly. The hardware of the solar panel cleaning robot is composed of a main frame, wheels. We started with probably the most probably the most challenging site on the planet.” Meller said, pointing to dust storms from Saudia Arabia and Jordan that plague the Ketura array.Īccording to Meller, a 300-megawatt solar plant might spend more than $5 million a year on cleaning and lose at least $3.6 million in energy production lost to dust cover. STEP 7: Use a squeegee or soft cloth to thoroughly dry the panels once clean. “As we say, if you can make it in the Middle East, you can make it anywhere. The system can be managed remotely, even on a smartphone.ĬEO Eran Meller said that the company is expanding with an eye to markets including Middle East, India, and Latin America and will be cleaning 5 million panels a month by early next year. Airtouch Solar Group has launched a cleaning solution for utility-scale solar PV plants to provide autonomous, water-free panel surface cleaning. Using microfiber buffers that also generate air flow to move dust off the panel surface, the system’s robots travel across solar panels vertically and horizontally every night for about an hour and a half, running on power from their own solar panels (and what, you might ask, cleans the solar panel that runs the robot? The robot does that one too). Now a handful of startups are aiming to do for the solar industry what the Roomba has done for people who hate vacuuming: Turn the job over to robots.Įcoppia, a company founded last year in Israel, has been operating nearly 100 of its panel-cleaning robots at the Ketura Sun solar array in Israel’s Negev desert. Cleaning them takes manpower and usually water, which raises costs. A buildup on solar panels can reduce efficiency by anywhere from 7 to 40 percent, according to various research efforts. With abundant sunlight and plenty of open space, deserts are an obvious place to put large solar arrays, but there’s a downside: lots of dust, and not enough rainfall to wash it off.