High voltage systems suppliers are put on contract shortlist

FOUR bidders have been shortlisted for a £523 million contract to deliver high voltage (HV) power supply systems for Phases 1 and 2a of HS2.

Colas/Eiffage, Siemens/ Costain, SSE/Linxon/Arcadis, and UK Power Networks Services are bidding for the design, manufacture, supply, installation, testing, commission and maintenance contract, covering 174 miles (280km) of new railway between London and Crewe.

This includes 50 traction sub-stations drawing power from the National Grid and a separate HV network providing power to stations, tunnel shafts, portals, depots and railway systems.

The traction power substations will be located at multidisciplinary ‘Railway Systems Compounds’ situated on open sections of the line.

Contracts are expected to be awarded in 2022.