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Balance of Plant

The generating station and spillways component of the Site C project is procured through multiple contracts, including the civil works contractpowerhouse bridge crane supply contract, turbines and generators contract, balance of plant contracts and equipment supply contracts.

The scope of the balance of plant contracts include the electrical, mechanical, architectural and miscellaneous civil/structural work required to complete the construction of the generating station and spillways, as shown below:

Contract Scope of Work

RFP Posting Date
(subject to change)

Balance of plant - Mechanical All mechanical work required to complete the powerhouse, intake and spillway structures including:
  • Installation of and commissioning support for mechanical water-to-wires equipment supplied by others.
  • Supply, installation and commissioning of mechanical equipment such as piping, pumps, etc.
January 2021
Balance of plant - Electrical All electrical work required to complete the powerhouse, intake and spillway structures including:
  • Installation of and commissioning support for electrical water-to-wires equipment supplied by others.
  • Supply, installation and commissioning of electrical equipment such as cable tray, cables, etc.
  • Installation of protection, control, telecom, security and similar systems.
March 2021
Balance of plant – Architectural All architectural work required to complete the powerhouse, intake and spillway structures including the powerhouse operations building. June 2021
Permanent Upstream Fishway and Other Out Structures Supply, installation and commissioning support of the permanent upstream fishway and other structures outside of the powerhouse, intake and spillway structures. The work includes electrical, mechanical, architectural and civil/structural work. July 2021
Balance of plant - Fire detection and protection Design, supply, installation and commissioning of fire detection and protection systems. August 2021
Balance of plant - Heating, ventilation and air conditioning Design, supply, installation and commissioning of HVAC equipment for the powerhouse, intake and spillway structures. September 2021

Equipment Supply Contracts

BC Hydro has completed the procurements of supply contracts for the following equipment to be installed by the balance of plant contractors:

Scope Supplier
Generator terminal equipment Saint-Augustin Canada Electric Inc.
Generator step-up transformers Hyundai Electric & Energy System Co Ltd.
Generator circuit breakers ABB Power Grids Canada Inc.
AC station service equipment Powell Canada Inc.
DC station service equipment Primax Technologies Inc.
Standby generators Cummins Canada ULC
500 kV motor-operated disconnect switches Grid Solutions Canada ULC (GE)
Depression air receivers John Brooks Company Ltd.
Knife gate valves Orbe Canada DBA Orbinox
P&C panels Surtek Industries Inc.

Procurement Information

Balance of Plant - Heating, ventilation and air conditioning
September 2021

Request for Proposals 15321 issued on BC Bid for Balance of Plant - Heating, ventilation and air conditioning.

Balance of plant - Fire detection and protection
August 2021
Request for Proposals 15320 issued on BC Bid for Balance of Plant - Fire detection and protection.
Balance of Plant - Architectural
June 2021

Request for Proposals 15318 issued on BC Bid for Balance of Plant - Architectural.

Permanent Upstream Fishway and Other Out Structures
July 2021

Request for Proposals 15319 issued on BC Bid for Permanent Upstream Fishway and Other Out Structures.

Balance of Plant - Electrical
March 2021

Request for Proposals 15317 issued on BC Bid for Balance of Plant - Electrical.

Balance of Plant - Mechanical
July 29, 2021
January 2021

Request for Proposals 15316 issued on BC Bid for Balance of Plant - Mechanical.

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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