HS2 Begins Search for High-Voltage Power Supply Systems Contractor

HS2 Ltd has started looking for a specialist contractor to supply the high-voltage power supply systems for the line.

The high-voltage power supply systems contract is worth around 523 million GBP and will involve the winning bidder designing, manufacturing, supplying, installing, testing, commissioning and maintaining the systems.

There will be around 50 lineside traction sub-stations between London and Crewe, which will feed electricity from the National Grid to the HS2 trains. The contract also requires the winning bidder to deliver a dedicated high-voltage non-traction power network. It will provide the electricity for stations, shafts, portals, depots and railway systems.

Once operational HS2 will cause carbon emissions of 8g per passenger kilometre – by comparison, this figure is 67g by car and 170g by air. The electricity used by HS2 will come from the National Grid. The more renewable sources feed into the National Grid, the greener HS2 journeys will become.

David Poole, Procurement and Commercial Director, HS2 Ltd, said:

“The high voltage power supply is a vital part of the HS2 project and the successful bidder will play a crucial role in keeping our network running safely and reliably. I look forward to the HS2 team working with the suppliers who come forward and together ensuring that we deliver best quality and value for the project.”

The high-voltage power supply systems contract will be handled in a single-stage procurement. The contractor will deliver two separate contracts, covering Design & Build and Maintenance services for Phase 1 and Phase 2a.

The traction power sub-stations are located at multi-disciplinary Railway Systems Compounds. These are located

The traction power sub-stations are located at multidisciplinary Railway Systems Compounds which are situated in the open route section of the line. The contractor will assume the role of Principal Contractor within these compounds. The successful bidder will be expected to work closely with HS2’s other rail systems suppliers to ensure integration of its design and throughout construction, testing and commissioning.

A shortlist is expected to be announced next year, with contract award in 2022.

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