China Three Gorges Corporation with 3,050 MW under construction or development. As of the end of 2013, CTG had business in 37 countries and regions, with 84 ongoing international construction and investment projects. In December 2011, China Three Gorges Corporation acquired a 21.35% Portuguese government's stake in "Energias de Portugal" for €2.69 billion. In December 2011 China Three Gorges Corporation paid HK$2.1 billion (US$270 million) for a 29% stake in China Power New Energy Development. 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
Three Gorges Dam spillway gates of the dam might pose a risk of cavitation, similar to that which severely damaged the poorly designed and cavitating spillways of the Glen Canyon Dam in the US state of Arizona, which was unable to properly withstand the Colorado river floods of 1983. However, 163,000 concrete units of the Three Gorges dam all passed quality testing and the deformation was within design limits. An experts group gave the project overall a good quality rating. In order to maximize the utility of the Three Gorges Dam and cut down on sedimentation from the Jinsha River, the upper course