Written Question·Department for Energy Security and Net Zero·UIN 34710

Heat Batteries: Warm Homes Plan

Tabled: 28 February 2025
Answered: 10 March 2025

Question

Clive Jones

Liberal DemocratWokingham

To ask the Secretary of State for Energy Security and Net Zero, what assessment his Department has made of the potential contribution of heat battery technology to the Warm Homes Plan; and what steps he is taking to support the (a) development and (b) dep

Answer

Miatta Fahnbulleh
Heat batteries are a promising technology because they utilise time-of-use tariffs, do not require outside space, and can be cheaper to install than heat pumps in some circumstances. However, they are also less efficient than heat pumps and will therefore...

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