Kyogoku pumped storage project is a hydro-electric project located in Hokkaido prefecture in Japan. The power plant is owned and run by Hokkaido Electric Power Company. The construction was completed in 2014. The power station has an installed capacity of 600 MW. The gross head is about 400m. The water is stored in a regulating pool on a hill in northern Kyogoku Town in the watershed of Pepenai river.