Written Question·Department for Energy Security and Net Zero·UIN 71536

Boilers: Batteries

Tabled: 29 August 2025
Answered: 8 September 2025
Named Day

Question

Josh Newbury

LabourCannock Chase

To ask the Secretary of State for Energy Security and Net Zero, what assessment his Department has made of the potential impact of battery enabled boilers could make on decarbonising domestic heating in smaller homes.

Answer

Michael Shanks
Heat batteries, sometimes referred to as ‘battery enabled boilers’, can utilise time-of-use tariffs and do not require outside space; however, they are less efficient than heat pumps. Heat batteries could meet the needs of some smaller homes, however if t...

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