The installation was performed by JSC “MSU-90” and subcontractor.

There are total of four safety channels in the stand-by diesel-generator station, each one housing a diesel generator set. The fifth set has been already installed at the unit diesel-generator station.

Each diesel generator is 11 meters long and weighs 89 tons.

Stand-by diesel-generator station ensures power supply to NPP safety systems in case of emergency in order to switch the reactor into the secure state.

The installation of diesel generator process pipelines and auxiliary equipment will soon commence. JSC “MSU-90” specialists have already started installation of the demineralized water pipeline.

JSC “SEM”, Holding Titan-2 electric installation organization specialists are also involved at the facility. The diesel-generator station also houses 10kV complete switchgears, 0.4kV switchgears and cables, which are now being installed.

The preparation of foundations for other equipment is almost over. It is planned to install the second diesel generator on April 1st. The whole set of diesel generators shall be ready for operation this autumn.


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.