Full repair of hydroelectric unit is completed at Serebryanskaya HPP-1 of PJSC TGC-1


Full repair of hydroelectric unit No.1 is completed at Serebryanskaya HPP-1 of PJSC TGC-1. The works included renovation of excitation system, oil pressure unit, speed regulators and relay protection units, as well as substitution of separate units of impeller and hydro-mechanical equipment.

— Repair of equipment will boost the plant's reliability. The hydraulic unit will be put into operation upon completion of complex testing, — Oleg Tyapinov, Deputy Chief Engineer of the Kolskiy Branch said.

Repair programme of PJSC TGC-1 is aimed at providing safe and continuous equipment operation, improving efficient performance of power plants and raising the environmental safety.


Serebryanskaya HPP-1 is a part of the Tuloma and Serebryanskiye HPPs Cascade of PJSC TGC-1. HPP installed capacity makes 201 MW.

PJSC TGC-1 is the leading producer and supplier of electricity and heat in the Northwest of Russia. The Company comprises the electric power plants within the four entities of the Russian Federation: St. Petersburg, Republic of Karelia, Leningrad Region and Murmansk Region.