“Energostroyinvest” CJSC

The “Energostroyinvest” CJSC holds one of the leading positions in the market of energy construction, installation of electric equipment on thermal power stations, electric power substations, distribution transformer substations, transformer substations, construction of aerial and cable power transmission lines with voltage of up to 500 kV, performs reconstruction, technical upgrading and capital repair of power facilities. The cable department of the “Energostroyinvest” CJSC is equipped with state-of-the-art engineering tools for performance of the complete package of operations for installation and commissioning of cable power transmission lines. For performance of tests, adjustment and placing into operation according to the approved programs, the company possesses accredited laboratories, complete set of equipment and devices for performance of electric measurement operations.

Key projects

“Federal Grid Company of Unified Energy System” OJSC

• Cable and aerial lines (110 kV) from the Psou electric power substation to the Izumrudnaya electric power substation.

“Management Electric Grid Company of Leningrad Region” OJSC

• Reconstruction of the 35/6 kV electric power substation Ladoga in Kirovsk.

“Moscow Joint Electric Grid Company” OJSC

• 110 kV electric power substation № 836 Sloboda (phased commissioning) 2nd stage.

“North-Western Housing Investment Company” CJSC

• Field cable installation (CL) 10 kV for electric power supply to the residential buildings under construction (Leningrad Region, Tikhvin).

“Lengazspetsstroy” OJSC

• CS Elizavetinskaya as a part of the construction “North-Western Gas Pipeline”, Gryazovets – Vyborg section.

“Lenenergo” OJSC

• 110/10 kW electric power substation Berezhki with a 110 kV high voltage line.
• 110/10 kV electric power substation Gazocompressornaya with a 110 kV high voltage line.
• 110/10 kV electric power substation Leninskoe with a 110 kV high voltage line.
• Construction of the 35 kV high voltage line of the electric power substation № 603 – Elizavetinskaya electric power substation and Elizavetinskaya electric power substation – electric power substation № 604.
• Construction of new double-circuit 110 kV high voltage line from the 110/35/10 kV electric power substation № 26 before the planned Portovaya electric power substation and reconstruction of the electric power substation № 26.
• Reconstruction of the 35/10 kV electric power substation № 621 with expansion of transformer capacity.