The Yangyang Pumped Storage Power Station uses the water of the Namdae-Chun River to operate a 1,000-megawatt (1,300,000 hp) pumped storage hydroelectric power scheme, about 10 kilometres (6.2 mi) west of Yangyang in Gangwon Province, South Korea. The lower reservoir is created by the Yangyang Dam on the Namdae and the upper reservoir by the Inje Dam is located 937 metres (3,074 ft) above the power plant.