Changji – Guquan HVDC Line is an 1100kV overhead line with a length of 3284km from Changji, Xinjiang, China, to Guquan, Anhui, China.

Construction works on the Changji – Guquan HVDC Line started in 2017 and the project was commissioned in 2019.


The Changji – Guquan HVDC Line, which is an overhead line, is being operated by State Grid Corporation of China. The Changji – Guquan HVDC Line is a new line. The line carries direct current (AC) through double circuit cable.

Changji – Guquan HVDC Line project development status

The development of the Changji – Guquan HVDC Line project was approved by The State Electricity Regulatory Commission in 2017 and the project works were completed in 2019.

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Contractors involved

ABB and Siemens was appointed by State Grid Corporation of China to supply the cables for executing the 1100kV Changji – Guquan HVDC Line.

About State Grid Corporation of China

State Grid Corporation of China (SGCC) is a state-owned electric utility. The utility builds and operates power grids, and distributes and transmits electricity. The utility offers energy efficient home appliances air conditioner, fan, TV set, washing machine, microwave oven, refrigerator, electric water heater and computer to save energy. It provides energy conservation, energy audits, energy management, energy saving tips and energy consultation services. SGCC’s projects include Jindongnan Nanyang-Jingmen UHV AC Pilot Project, Xiangjiaba-Shanghai UHV DC Transmission Pilot Project, Qinghai-Tibet Grid Interconnection Project, and others.


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.