Hanergy Holding Group Ltd. (Hanergy) is a Chinese multinational company headquartered in Beijing. The company is focusing on thin-film solar value chain, including manufacturing and solar parks development. It also owns the Jinanqiao Hydroelectric Power Station and two wind farms. Hanergy is founded and controlled by Li Hejun. After entering the thin film solar industry, Hanergy and its subsidiaries were featured in the list of 50 Smartest Companies by MIT Technology Review from 2012 to 2014.