Question to the Department for Energy Security & Net Zero:

To ask the Secretary of State for Energy Security and Net Zero, what estimate she has made of the potential carbon cost of ground source heat energy production.

The Department has conducted analysis on the carbon impacts of a range of heating technologies. Heat pumps – including ground source heat pumps – can currently reduce carbon emissions by around 60% or more compared to a gas boiler and this will increase as the power sector decarbonises.