Question follow-through · 34710
Heat Batteries: Warm Homes Plan
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
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
- 28 Feb 2025
- Target answer date
- 4 Mar 2025
- Answer
- 10 Mar 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
- Energy: Social Tariffs · 3 Mar 2025
- General Practitioners: Carbon Emissions · 4 Jun 2025
- Boiler Upgrade Scheme · 18 Jun 2025
- Boiler Upgrade Scheme · 18 Jun 2025
- Energy Supply · 20 Feb 2026
Shared topic keywords suggest a connection; they do not establish a follow-up.
Votes on this topic
- Taxation (Energy and Vehicles) Bill Committee: New Clause 5 · 1 Jul 2026
- Taxation (Energy and Vehicles) Bill Committee: New Clause 4 · 1 Jul 2026
- Taxation (Energy and Vehicles) Bill Committee: New Clause 2 · 1 Jul 2026
These Commons divisions share a topic label. The question did not necessarily lead to a vote.
Recorded timeline
28 Feb 2025
Question tabled
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
4 Mar 2025
Target answer date
Date supplied by the official written-questions record.
10 Mar 2025
Answer published
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...
Official data retrieved 28 Sept 2026.
Later records
Possible follow-up questions
Strong links require the same MP, department and exact heading. Other same-department questions are shown as unreviewed candidates, not as confirmed follow-ups. No debate link is asserted unless a stable source relationship exists.
Energy: Social Tariffs
3 Mar 2025 · To ask the Secretary of State for Energy Security and Net Zero, what discussions he has had with the Secretary of State for Work and Pensions on data sharing to identify households eligible for energy social tariffs.
General Practitioners: Carbon Emissions
4 Jun 2025 · To ask the Secretary of State for Energy Security and Net Zero, what steps his Department is taking to help GPs decarbonise their physical estates.
Boiler Upgrade Scheme
18 Jun 2025 · To ask the Secretary of State for Energy Security and Net Zero, how many (a) general practice surgeries and (b) other non-domestic organisations by sector have (i) applied for and (ii) received support through the boiler upgrade scheme.
Boiler Upgrade Scheme
18 Jun 2025 · To ask the Secretary of State for Energy Security and Net Zero, what steps his Department is taking to increase uptake of the Boiler Upgrade Scheme among (a) GP practices and (b) other small non-domestic buildings.
Energy Supply
20 Feb 2026 · To ask the Secretary of State for Energy Security and Net Zero, whether he plans to bring forward legislative proposals on energy independence.
Solar Power
23 Mar 2026 · To ask the Secretary of State for Energy Security and Net Zero, what is the total anticipated generation capacity in MWh of solar power projects that are approved but have not yet been connected to the grid.
Fuel Oil: Housing
23 Mar 2026 · To ask the Secretary of State for Energy Security and Net Zero, what steps he is taking to help ensure that an accurate record exists of which homes are reliant on Home Heating Oil for heating.