Question follow-through · 71536

Boilers: Batteries

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.

answeredDepartment for Energy Security and Net Zero

About this written question

A written question asks a government minister for information in writing. Parliament publishes the question and any answer.

Answering body
Department for Energy Security and Net Zero
Tabled
29 Aug 2025
Target answer date
8 Sept 2025
Answer
8 Sept 2025 · 10 calendar days after tabling

Elapsed calendar days describe the record timeline, not whether Parliament considers an answer on time.

More questions by this MP on Environment and energy

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Recorded timeline

  1. 29 Aug 2025

    Question tabled

    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.

  2. 8 Sept 2025

    Target answer date

    Date supplied by the official written-questions record.

  3. 8 Sept 2025

    Answer published

    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...

Open official record

Official data retrieved 28 Sept 2026.

Later records

Possible follow-up questions

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28 Aug 2026 · To ask the Secretary of State for Energy Security and Net Zero, what assessment she has made of the contribution of domestic green gas production to UK energy security.

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28 Aug 2026 · To ask the Secretary of State for Energy Security and Net Zero, what assessment she has made of the potential implications for her policies of NESO Future Energy Scenarios' ambition of achieving 30TWh of domestic renewable gas production by 2035.

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Biomethane: UK Emissions Trading Scheme

28 Aug 2026 · To ask the Secretary of State for Energy Security and Net Zero, when the Government plans to proceed with the zero rating of biomethane on the UK ETS.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Biomethane

28 Aug 2026 · To ask the Secretary of State for Energy Security and Net Zero, what assessment she has made of the potential implications for her policies of reports by the Green Gas Taskforce, the Anaerobic Digestion and Bioresources Association and others, that the mo

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