China now has 543,900 kilometers of circuit transmission lines and 2782GVA of public substation capacity with voltage level of 220KV and higher.
Trans-regional and International Transmission
By the end of 2013, trans-regional transmission capacity of State Grid reached 55GW; while that of Southern Power Grid totaled 27GW. Meanwhile, China has international transmission with neighboring countries such as Mongolia, Russia, Vietnam, Myanmar and Laos, etc., with the total capacity of over 2GW.
Major Grid Companies in China
State Grid Corporation of China
China Southern Power Grid Co. Ltd.