Three Gorges Dam and China Southern Power Grid paid a flat rate of ¥250 per MWh (US$35.7) until July 2, 2008. Since then, the price has varied by province, from ¥228.7–401.8 per MWh. Higher-paying customers, such as Shanghai, receive priority. Nine provinces and two cities consume power from the dam. Power distribution and transmission infrastructure cost about 34.387 billion Yuan. Construction was completed in December 2007, one year ahead of schedule. Power is distributed over multiple 500 kilovolt (kV) transmission lines. Three direct current (DC) lines to the East China Grid carry 7,200 MW: Three Gorges – Shanghai (3,000 MW), HVDC Three Gorges
Three Gorges ladder of the Chinese mainland—which form the Qutang Gorge (), the Wu Gorge (), and the Xiling Gorge () along the Yangtze River, which is where this area gets its name. The Three Gorges span from the western, upriver, cities of Fengjie and Yichang, in Chongqing Municipality, to the east, downstream, to Hubei province. The Three Gorges Reservoir Region is approximately in length, while the Three Gorges themselves occupy approximately within this region. The Three Gorges region has attracted global attention due to the Three Gorges Dam, which is changing the culture and environment of the region. Although it is