In future, the substation will become a source of reserve power supply for key facilities of the nuclear power plant in case of an emergency shutdown of the power supply.

The reserve substation 110/10 kV has three elements: an enclosed switchgear (ZRU 110 kV), an all-substation control center and a power transformer 110/10kV with capacity of 25 MVA and weighing about 50 tons.

All electric equipment on this facility was mounted by specialists of Unit No. 4 of JSC SEM. Adjustment and testing of the equipment 0,4, 10 and 110 kV were executed by specialists of JSC TITANENERGONALADKA.


The Holding “Titan-2” is the largest in the North-West group of companies, erecting the most important objects of the nuclear industry and energy. The organization performs a full range of construction and installation works from engineering to commissioning.

The Holding “Titan-2” is one of the main contractors for the construction of power units No. 1 and No. 2 of the Leningradskaya NPP-2. Main organizations of the company perform 30% of general construction and 80% of installation works on the site. Specialists of the holding are engaged on the objects of the Leningradskaya NPP-2 first and second power units. The works are being performed in the buildings of the reactor, turbine, electricity, water, heating system and other structures of power units.