HVDC Three Gorges – Changzhou River using tall pylons. The electrode at Chujiahu is also used by HVDC Hubei - Shanghai for grounding. HVDC Three Gorges – Changzhou The HVDC Three Gorges – Changzhou is an long bipolar HVDC transmission line in China for the transmission of electric power from the Three Gorges power plant to the area of Changzhou. The transmission line went into service in 2004. It runs from the static inverter station, Longquan, away from the Three Gorges power plant to the static inverter plant, Zhengping, near Changzhou. The HVDC Three Gorges-Changzhou is a bipolar 500 kV powerline with a maximum transmission
Three Gorges Reservoir Region 300–340 days. The annual runoff flow at the site of the dam of the Three Gorges Project is 451 billion m³ with the annual sediment discharge of 530 million tons. The Three Gorges abounds in water resources, ecological resources, tourism resources, and the resources of some ores, which have a great potential for exploration. The Yangtze River flows through the Three Gorges Reservoir Region with the good conditions for water transportation and the water-resources development. The potential installed capacity of hydropower can be about 30,000 MW in the Three Gorges Reservoir Region where the water resources are the most abundant