Heat from HS2 tunnels could provide energy to new homes

The heat from train tunnels at Old Oak Common could be used to heat water and power central heating of up to 500 new homes that are to be built near to the HS2 station.
The scheme would see 5 air source heat pumps draw warm air from HS2’s railway’s tunnels, where the waste heat from trains is usually extracted by traditional ventilation systems and seeps into the ground surrounding the tunnels.
The placement of the heat pumps would be in the large crossover box where trains will be a