China Three Gorges Corporation China Three Gorges Corporation The China Three Gorges Corporation (CTG, ) is a Chinese state-owned power company, established on 27 September 1993. The company was responsible for construction of the Three Gorges Dam-project, the world largest hydroelectric power plant, that went into operation in 2008. In September 2002, CTG established the subsidiary company China Yangtze Power, which took over operations and management of Gezhouba and Three Gorges dams. CTG is one of the world's largest energy companies with total assets of RMB 475.5 billion (app. USD 77.3 billion) in 2014. Apart Gezhouba and Three Gorges CTG operates and develops more
Three Gorges Dam The project used of concrete (mainly for the dam wall), used 463,000 T of steel (enough to build 63 Eiffel Towers), and moved about of earth. The concrete dam wall is high above the rock basis. When the water level is at its maximum of above sea level, higher than the river level downstream, the dam reservoir is on average about in length and in width. It contains of water and has a total surface area of . On completion, the reservoir flooded a total area of of land, compared to the of reservoir created by the Itaipu Dam. The