Question to the Department for Transport:

To ask the Secretary of State for Transport, how much power HS2 trains will need to run across each of the phases.

We estimate that the HS2 network will require approximately 1 TWh of energy per annum at the completion of Phase 1/2a, and approximately a total of 2.5 TWh at the completion of Phase 2b. This will be subject to power usage specification of the Rolling Stock, and the findings of the Integrated Rail Plan (IRP). We routinely consider forecast growth in electricity demand, which includes the energy requirements of HS2.