Southern Hami–Zhengzhou UHVDC

The Southern Hami–Zhengzhou UHVDC is an ultra high-voltage direct current power transmission line from the north-west to central China.

It is the first ultra high-voltage project implemented by the Northwest China Grid Company, a subsidiary of the State Grid Corporation of China.

[1] The line was designed and built by several different Chinese companies.

[5] The transmission line starts at the Hami Nanhu converter station next to the Dananhu Power Station in Xinjiang and runs through Xinjiang, Gansu, Shaanxi, Ningxia, Shanxi and Henan provinces to Zhengzhou converter station in Henan.

The line operates at ±800 kV voltage and is designed to have a transmission capacity of 8,000 MW, the highest in the world.