Yunnan – Guizhou HVDC Line is a 500kV overhead line from Yunnan, Yunnan, China, to Guizhou, Guizhou, China.

Construction works on the Yunnan – Guizhou HVDC Line started in 2019 and the project was commissioned in 2020.


The Yunnan – Guizhou HVDC Line, which is an overhead line, is being operated by China Southern Power Grid. The Yunnan – Guizhou HVDC Line is a new line. The line carries direct current (AC).

Yunnan – Guizhou HVDC Line project development status

The development of the Yunnan – Guizhou HVDC Line project was approved by The State Electricity Regulatory Commission in 2019 and the project works were completed in 2020.

About China Southern Power Grid

China Southern Power Grid Co Ltd (CSG) invests, constructs, operates and manages electricity power networks such as power generation, transmission, distribution and other related services. The company carries out development of regional power network, managing power dispatching and transaction center, administering regional power market, and dispatching power based on market rules. It also conducts power trading, financing, engineering, contracting, international cooperation, domestic and foreign investment, and labor sourcing businesses. CSG maintains transmission lines and power grid businesses. It operates power networks in Guangdong, Guangxi, Yunnan, Guizhou and Hainan, China.


All publicly-announced T&D Line & Substation projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects is sourced through secondary information sources such as country specific utility players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.