Kunliulong HVDC Line is an 800kV overhead line with a length of 1452km from Kunbei Converter Station, Yunnan, China, to Longmen Converter Station, Guangdong, China.

Construction works on the Kunliulong HVDC Line started in 2018 and the project was commissioned in 2020.


The Kunliulong HVDC Line, which is an overhead line, is being operated by China Southern Power Grid. The Kunliulong HVDC Line is a new line. The line carries direct current (AC) through double circuit cable.

Kunliulong HVDC Line project development status

The development of the Kunliulong HVDC Line project was approved by State Electricity Regulatory Commission in 2018 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.