Written questions

Heat Batteries

Commons · Question 27903 · Tabled 8 Sep 2026 · Department for Energy Security and Net Zero · Official record

Answered 11 Sep 2026

Question

Asked by Grahame Morris

To ask the Secretary of State for Energy Security and Net Zero, with reference to ADE: Demand’s "No Home Left Behind" report, what role she sees for heat batteries in easing grid pressure and supporting Clean Power 2030.

Answer

Answered by Martin McCluskey, 11 Sep 2026

The government recognises that heat batteries can play a role in decarbonising domestic heating, noting their ability to take advantage of time-of-use electricity tariffs through charging at off-peak times. The government has committed to provide grants t...