Construction of cooling tower 2 resumed under the investment program at the Pravoberezhnaya cogeneration plant, and at Nizhne-Svirskaya and Verkhne-Svirskaya hydro power plants; additional activities were carried out under a sewage disposal system construction project.
TGC-1 in Murmansk Oblast
Dust extraction plant of boiler unit 4 overhauled at Apatity cogeneration plant.
Reconstruction of domestic wastewater treatment facilities finished at Nivskiye HPPs Cascade. Two domestic wastewater treatment stations, Bioxi-5 and Bioxi-8, commissioned.
TGC-1 in the Republic of Karelia
6-10 kV oil circuit breakers replaced with vacuum circuit breakers at Krivoporozhskaya, Putkinskaya and Yushkozerskaya hydro power plants.
A 110 kV circuit breaker was replaced with an SF6 circuit breaker at Ondskaya hydro power plant, automatic control and protection systems reconstructed, and oil pumps at hydroelectric generating unit 2 replaced.
Five cells of 6 kV indoor switchgear reconstructed with replacement of oil circuit breakers with vacuum breakers at Kondopozhskaya hydro power plant, and reconstruction of the diversion canal started, with project adjustment and an environmental expert review.
Reconstruction of head and overflow dams completed at Khyamekoski hydro power plant, and the turbine of hydroelectric generating unit 3 replaced.
Reconstruction of cooling tower BG-1600 st. 1 was completed at Petrozavodskaya cogeneration plant, and water ducts from the packaged pump house repaired.
