dependent on the Rusal-operated aluminum plant. Energy Sayano-Shushenskaya GES (starting the second hydraulic unit 1-December 18, 1978), Mainsk HPS. See also Sayano-Shushenskaya Dam 2009 Sayano-Shushenskaya power station accident External links Unofficial website of Sayanogorsk Pictures of Sayanogorsk References Notes Sources Cities and towns in Khakassia Populated places established in 1975 1975 establishments in the Soviet Union Populated places on the Yenisei River