This stage is the final one on the way to the unit commissioning.

The specialists will have to perform a set of tests at 40, 50, 75, 90 and 100% of the reactor plant power.

During this stage the compliance of the actual parameters and performance of systems and equipment with the design values will be finally confirmed. The new power unit of the Leningrad NPP will be put into commercial operation only after completion of this stage.

The event is going to take place before the end of this year.


Titan-2 Holding is the largest in the North-West group of companies, constructing the most important nuclear industry and power facilities. The company performs a full range of construction and installation works from engineering to commissioning.

Titan-2 Holding is the general contractor for the construction of the Leningrad NPP-2 power units. The Holding Companies perform all the civil, installation, and electrical works at a construction site. The works are carried out in the reactor, turbine, power supply, water supply, heat cogeneration buildings and other power unit structures.

The Holding is the main contractor for the construction of the Hanhikivi-1 NPP in Finland.