During the reconstruction of the 500 kV bay at the «Trubnaya» electrical substation located on the territory of the Balakovo Nuclear Power Plant, «Energiya Yuga» carried out construction, installation, and commissioning works.
The detailed engineering documentation was revised, 500 kV current and voltage transformers were replaced, relay protection and automation devices were upgraded, AVANT K-400 cabinets for relay protection and automation command transmission were installed, and secondary circuit cables were replaced.