Ministry of Energy: Construction of the Orto-Tokoy Hydroelectric Power Station is nearing completion

According to the press service of the Ministry of Energy, OJSC "Chakan HPP" has successfully completed 80% of all work on the construction of the Orto-Tokoy HPP.

The construction is proceeding in full accordance with the approved schedule, which is confirmed by a number of completed stages.

In particular, among the significant achievements:

• the 950-meter diversion tunnel has been fully completed;
• currently, the concreting of the reinforced concrete lining of the water conduit tunnel is underway;
• preparatory work and soil reinforcement have been completed, as well as the construction of walls at the branching node;
• preparations are underway for the installation of a tunnel interchange with three exits, where metal structures measuring 93.6 m and 74.4 m have already been installed and welded in two of the exits.

Construction of the Orto-Tokoy HPP. Photo from the press service of the Ministry of Energy.



Construction of the Orto-Tokoy HPP. Photo from the press service of the Ministry of Energy.



Construction of the Orto-Tokoy HPP. Photo from the press service of the Ministry of Energy.



Construction of the Orto-Tokoy HPP. Photo from the press service of the Ministry of Energy.



Construction of the Orto-Tokoy HPP. Photo from the press service of the Ministry of Energy.

Key stages of work in the building of the hydroelectric power station have also been completed:

• construction of the HPP building is 90% complete;
• reinforcement and concreting of columns for the lifting mechanisms of the spillway gates in the lower pool have been fully completed;
• the roof frame installation has been completed, and work on laying the roofing material is currently underway;
• hydroturbines No. 1, 2, and 3, as well as the disc gates, have been successfully installed.

Construction of the Orto-Tokoy HPP. Photo from the press service of the Ministry of Energy.



Construction of the Orto-Tokoy HPP. Photo from the press service of the Ministry of Energy.



Construction of the Orto-Tokoy HPP. Photo from the press service of the Ministry of Energy.



Construction of the Orto-Tokoy HPP. Photo from the press service of the Ministry of Energy.

The Ministry of Energy also reminded that the design capacity of the Orto-Tokoy HPP is 21 MW, and it is expected that all construction work will be completed in the first half of 2026.