Hanergy Holding Group is a global clean energy company headquartered in Beijing, China. It employs over 10,000 staff and has branch offices worldwide. Hanergy operates in hydropower, wind power and thin-film solar power generation. It has over 6GW of installed hydropower capacity and 131MW of wind power capacity. In solar, Hanergy has production facilities in several Chinese provinces with a total capacity of 300GW. It is a world leader in thin-film solar panel technology and has power plants with a capacity of around 10GW under agreements in China and Europe. Hanergy is involved across the thin-film solar value chain from R&D to manufacturing to power plant construction. It was ranked 23