Kolyma Hydroelectric Station is located on the Kolyma River in the village of Sinegorye, Yagodninsky District, Magadan Oblast Russia. It has an installed power generation capacity of 900 MW. Kolyma HPP is the basis of the energy system of Magadan Oblast; it produces about 95% of the electricity in the region. It is the upper stage of the Kolyma cascade, while the lower one of 570 MW installed capacity is under construction.