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Construction of power transmission lines and substations

Out of its activities  “Promstroy-Energo” company specializes on construction of power substations and power transmission lines of up to 500 kV  including "on a turn-key basis" construction; carrying out designing, procurement, construction and assembling of main and accessory electric equipment, and start-up and commissioning works.

Construction of objects is carried out by company itself as well as by involving third-party contract organizations which have gained reliable and responsible reputation for years of a joint partnership.  At all stages of construction we implement all the required works and technical supervision over the work process.

Construction of substations represents complicated  process consisting of various multilevel stages: from developing the project and budget distribution to commissioning and also requires exploration, designing, general construction, assembling and commissioning works.

Types of works performed by our experts on construction of substations of up to 500 kV class tension:

- geodetic works performed on construction sites;

- earthworks, including soil excavation, movement, laying and consolidation, etc.;

- general construction works;

- foundation laying for equipment;

- concrete and reinforce concrete structures installation;

-supporting structures assembling and equipment installation, as well as antiemergency automatic equipment and other required systems assembling;

- start-up works;

- site  improvement;

- other types of work.

Construction of power transmission lines assumes laying of power transmission lines including construction in remote and hard-to-reach areas. “Promstroy-Energo” company implements construction activities in compliance with current regulations and requirements using quality materials and modern equipment to ensure reliable and accident-free work of constructed power lines which would then lead to continuous power supply of domestic and industrial facilities.

Types of performed work at construction of power transmission lines of up to 500 kV class tension:

- geodetic works performed on a route;

- earthworks;

- assembling of support foundations ;

- assembling and installation of supports;

- assembling of linear pendant fitting and wires.

Completion of all construction and assembling works is carried out in accordance with requirements of SNiP (Construction Norms and Regulations) with reference to technical documentation of project and other technological process requirements for power object construction. “Promstroy-Energo” company’s highly professional staff of diverse specialists allows both having concurrency of all conducted activities and timeous completion of object construction. 

Our experience in this area includes implementation of the following projects:


- External power supply for “Varvarinskoye” JSC on “Varvarinskoye” field in Kostanay area where works on construction and assembling and commissioning as well as delivery of materials and equipment were carried out;

- Construction of “Shu” SS 500kV (1 and 2 turns) in Shuisky region of Zhambyl area for "Almaty Intersystem Electric Networks " branch of KEGOC JSC


- Construction of interregional power transmission line OHTL- 500 kV  "Northern Kazakhstan –Aktyubinskaya area", reconstruction and expansion of "Zhitikara" SS 500kV, "Ulke" SS 500kV  (Aktyubinskaya area, the Kostanaysky area);


- Construction of external power supply facilities for “Construction of new railway line "Uzen — Frontier with Turkmenistan" project;


- Construction and assembling works for external power supply of railway line "Zhetygen-Korgas" (Almaty area): “Promstroy-Energo” LLP site of work – “Zhetygen” station – travel "Kerimagash";


- Construction of "Alma" SS 500kV (1 turn) with connection to Kazakhstan NES (National Power Supply) with power lines of 500 and 220 kV;


- Construction of external power supply system for the international project "Caspian Pipeline Consortium Expansion";

2012 - 2014:

- "Turnkey" construction of external power supply facilities on "Beyneu station – Shalkar station” for "Construction of the railway line "Zhezkazgan — Beyneu" project;