Aerones, a robotics startup that scrubs and inspects wind turbine so humans don't have to, secured $38.9 million in fresh funding this month.
Wind turbine towers leak oil, which can cause problems for the environment and increase wind resistance. Aerones remote-operated robots clean towers and blades by spraying them with a liquid detergent and then collecting the mucked up liquid for reuse. The robot inspects turbine systems with cameras and scans.
According to Aerones, the company has cleaned more than 5,000 turbine in 19 countries. There are more than 72,000 wind turbine in the U.S. Around 9% of the electricity in the states was generated by the turbine.
Aerones wants to raise at least $2.5 million more, according to a filing with the SEC. The startup didn't reply to a request for more information.
Aerones received $9 million in seed funding in April. Nine out of 10 of the biggest firms in the industry, including GE, were already working with the firm, according to co- founder Dainis Kruze.