Concreting of the engine building of the future hydroelectric power station with a capacity of 23 megawatts has started on the Argun River in the Shatoysky district. The work on the site is carried out by the RusHydro energy holding within the framework of the state program for the development of renewable energy.
The five-story structure made of monolithic reinforced concrete includes two underground levels. Two vertical radial-axial hydraulic units of domestic production will be installed in the engine room. The design head of the turbines will be almost 75 meters. More than 8 thousand cubic meters of concrete mix and 376 tons of steel reinforcement will be required for casting the supporting frame.
Since July last year, builders have broken through a three-kilometer derivation tunnel, laid access roads and connected temporary power supply. Currently, more than 250 specialists are working at the facility and almost 50 units of heavy equipment are involved.
The station is scheduled to be commissioned in 2028, and the annual electricity generation will reach 105 million kilowatt-hours.
Engineers of the Gidroproekt Institute chose a dam-derivation scheme that does not violate the natural hydrological regime of the river. The main hydraulic structure will be a gravity concrete dam with a height of 57 meters, which will take the seventh place in the ranking of the highest similar facilities in the North Caucasus. The complex will be complemented by a water intake and a pressure pipeline.
The Nikhaloyskaya HPP will become the second hydro-unit of the energy holding in the republic and the most powerful in the region. In the North Caucasus Federal District, the company already manages 38 stations with a total installed capacity of 3418 megawatts.