ABB has secured an order worth about $120m from the State Grid Corporation of China (SGCC) to engineer and supply equipment for the Jinping-Sunan 800kV ultra high voltage direct current (UHVDC) transmission project.

The company will design the the system and key equipment in close cooperation with SGCC and local Chinese partners.

ABB will also supply key components for both converter stations, including converter valves, the control and protection system and DC yard equipment.

ABB has also been selected to supply 800kV UHVDC transformers for both converter stations.

The 2,090-kilometer power link will transport clean hydropower from Sichuan province in central-western China to the highly industrialized coastal area in the eastern province of Jiangsu.

The UHVDC link will have a rated capacity of 7,200MW and is expected to be energized in 2013.