BRITAIN’s HS2 Ltd has published a shortlist of four bidders for contracts worth £523m to equip high-voltage power supply systems for phases 1 and 2a of the HS2 high-speed project. 

The two contracts will be awarded through a single stage procurement process, with a winner expected in 2022. The four organisations that will be invited to tender are: 

  • a joint venture of Colas and Eiffage, France 
  • a joint venture of Siemens, Germany, and Costain, Britain 
  • UK Power Networks Services, Britain, and 
  • a joint venture of SSE Enterprise Contracting, Britain, Linxon, Switzerland, and Arcadis, Netherlands. 

The contract covers the design, manufacture, supply, installation, testing, commissioning and maintenance of the systems.  

This will include the provision of approximately 50 traction sub-stations covering 280km of line between London, Birmingham and Crewe, as well as a separate dedicated high-voltage non-traction power network for stations, portals, depots and railway systems along the route. 

The winning contractor will be expected to work closely with HS2’s other rail systems suppliers to successfully integrate the power systems. Electricity for the systems will be drawn the national electricity grid. 

HS2 published a shortlist of four contractors for a £540m contract to deliver ETCS and control systems for phases 1 and 2a earlier this month. 

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