Northwest Yunnan - Guangdong( ±800KV UHVDC project)-TBEA of Shengyang

Northwest Yunnan to Guangdong UHV DC project is the implementation of the State Council air pollution control action plan of 12 key transmission channels, is also the State Council to ensure economic "steady growth" key projects, a total investment of about 22.2 billion yuan, plans to be delivered in 2017 Capacity, transmission capacity of 5 million kilowatts. The project west of Yunnan Province, Dali County Jianchuan County, via Yunnan, Guizhou, Guangxi, Guangdong provinces, 53 counties, east of Shenzhen City, Guangdong Province Baoan District, the line length of 1959 km, is the longest Southern Power Grid Of the transmission project, but also West to East to send the first placement of Shenzhen UHV DC line. Among them, Yunnan Xin Song station is the world's highest elevation (2350 meters) of the UHV converter station. After the completion of the project, the annual power transmission to Guangdong about 20 billion kwh, equivalent to Shenzhen, a quarter of annual electricity consumption