Rencons was responsible for construction of a standby diesel power plant with diesel fuel storage which is a part of the Leningrad nuclear power plant II. The facility is located in the town of Sosnovy Bor of the Leningrad Region of Russia. The gross building area amounts to 20,186 m².

Rencons was also constructing an administrative building (20 UCB) for unit No. 2 of the power plant. Rencons ensured 25,000 m³ of cast-in-place concrete structures.