Boilers: Batteries

Summary

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.

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Timeline

1. 29 August 2025

   Written question

   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.

   Source: Commons

2. 8 September 2025

   Answer

   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...

   Source: Written answer

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• · Department for Energy Security and Net Zero · Answering body

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