The fourth new hydroelectric power plant was put into commercial operation in accordance with the schedule recovery. Currently, the plant has been six hydropower units, and operating capacity of the plant is 3840 MW. The unit with the station number 9 at the Sayano-Shushenskaya HPP launched after comprehensive pre-commissioning tests, which took place on the program of the manufacturer of OJSC "Power Machines" with continuous monitoring of process parameters, according to the press-service of JSC "RusHydro".
At present, the plant operates hydroelectric number number 1, 3, 4, 7, 8 and 9. Hydrounits number number 5 and 6, the reconstructed first withdrawn from work in order to completely replace their equipment. Work continues on the hydraulic unit number 10, it is expected that in March 2013 it will be put into operation.
According to the JSC "RusHydro", by 2014, the Sayano-Shushensaya plant will be fully equipped with new and modern facilities, with improved performance, and appropriate safety and security requirements. The service life of the new units is increased to 40 years, the maximum turbine efficiency was 96.6%.