The Yangyang Pumped Storage Power Station uses the water of the Namdae-Chun River to operate a 1000 MW pumped storage hydroelectric power scheme about 10 km (6 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 m (3074 ft) above the power plant. Construction on the power plant began in 1996 and it was completed and dedicated on September 13 2006.