Transmission and Substation

The transmission and substation components of the Site C project will be procured through multiple contracts, including existing BC Hydro blanket contracts and agreements.

The components include: a new substation at the Site C dam, two new 75-kilometre, 500 kV transmission lines from the Site C substation to the Peace Canyon substation, and the expansion of the Peace Canyon substation to enable connection of the new transmission lines.

Transmission Line: Construction

Two new 500 kV transmission lines will be built from Site C to the Peace Canyon generating station over a distance of approximately 75 kilometres. The lines will be located along an existing transmission right-of-way.

The scope of this contract includes:

  • Construction of temporary access roads;
  • Preparation of tower sites;
  • Supply and installation of tower foundations;
  • Assembly and erection of towers; and
  • Conductor stringing.
Contractor Contract award date Construction timeline
(subject to change)
Allteck Line Contractors Inc. May 2018 2018–2023

Transmission Line: Supply of Lattice Towers

  • Detailing of lattice tower structures;
  • Test assembly and load testing of newly designed towers as required; and,
  • Manufacture and supply of lattice tower structures, including fasteners.
Contractor Contract award date Construction timeline
(subject to change)
SA-RA Energy, Construction, Trade & Industry Inc. May 2017 Supplied from 2017–2019

Transmission Line: Supply of Conductors

  • Manufacture and supply of ACSR and ASC conductors.
Contractor Contract award date Construction timeline
(subject to change)
Nexans Canada Inc. February 2018 Supplied from 2018–2019

Transmission Line: Supply and Delivery of Grillage Foundations

The contract includes the manufacture, supply and delivery of steel grillage foundations.

Contractor Contract award date Construction timeline
(subject to change)
Locweld Inc. April 2017 Supplied in 2017–2018

Transmission Line: Peace Canyon 500kV GIS Expansion

The scope of the contract is to expand the existing Peace Canyon 500kV gas-insulated substation and includes:

  • Construction of an outdoor switchyard adjacent to the existing GIS building; and,
  • Expansion of the existing 500 kV gas-insulated switchgear inside the GIS building.
  • Design, manufacture and testing of 500kV GIS equipment.
Contractor Contract award date Construction timeline
(subject to change)
ABB Inc. July 2017 2018–2019

Site C Substation: Design and Supply of 500 kV Shunt Reactor

This contract includes the design, supply and manufacture of one 500 kV, 135 MVAR shunt reactor.

Contractor Contract award date Construction timeline
(subject to change)
Siemens Canada Ltd. February 2017 Supplied in 2019

Site C Substation: Supply and Installation of Pre-Fabricated Control Building

This contract includes the design, supply and installation of the control building for the Site C substation.

Contractor Contract award date Construction timeline
(subject to change)
Empirica Infrastructure Inc. March 2017 Supplied in 2018

Site C Substation: Construction

A single construction contract has been issued for both the 500 kV and 138 kV switchyards, which includes:

  • Civil works including fencing, foundations, roads, oil containment and crushed rock surfacing.
  • Fit-out of a pre-fabricated control building.
  • Supply and installation of a storage building.
  • Electrical work including steel erection, buswork, power and control cables, grounding, lighting and equipment assembly and installation.
  • Installation of protection and control equipment.
  • Installation of telecommunication equipment and tower.
Contractor Contract award date Construction timeline
(subject to change)
F&M Installations February 2018 2018–2020

Site C Substation: Supply of 550 kV Disconnect Switches

This contract includes the design, supply, testing and delivery of 550 kV disconnect switches for the Site C substation.

Contractor Contract award date Construction timeline
(subject to change)
Mindcore Technologies March 2017 Supplied in 2018

Procurement Information

Contract Award
June 20, 2018 

B.C.-based company awarded contract to build Site C transmission line

For business and job opportunities, please email: [email protected] or visit www.allteck.ca/careers.

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Additional Information


BC Hydro Job Opportunities

For information about Site C project construction jobs, please visit the Job Opportunities section of the website. To view current opportunities with BC Hydro, please visit BC Hydro Careers

 Procurement Updates