The Yunnan–Guangdong HVDC is a high-voltage direct current transmission system connecting Chuxiong in the Yunnan to Suidong, Zengcheng in Guangdong, China.
It is the first HVDC link in the world operating at a transmission voltage of 800 kV.
[1] The transmission line is operated by China Southern Power Grid.
In 2007, the order to supply the system was awarded to Siemens Energy.
[4] It transmits electricity from the hydropower plants in the Yunnan to the Guangdong, including cities of Guangzhou and Shenzhen.