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Heat Pump Investment Accelerator Competition: round 2 (closed)

This competition provides grant funding for investments in the manufacture of heat pumps and strategically important heat pump components in the UK.

Updates to this page

From:
Department for Energy Security and Net Zero
Published:
30 March 2023
Last updated:
6 August 2026
Show all updates

  1. This competition closed for applications on 5 August 2026.

  2. Published the latest clarification questions.

  3. Published the latest clarification questions.

  4. Published the latest clarification questions.

  5. Published the latest clarification questions.

  6. Published the round 2 application form

  7. Added the deliverability assessment template (business case) document.

  8. Updated with information about round 2 of the competition.

  9. Added link to Heat Pump Investment Accelerator Competition's successful projects.

  10. This competition is closed to applications.

  11. Added latest clarification questions with responses.

  12. We’ve extended the closure date for the submission of proposals to 3pm on 18 October 2023.

  13. Added latest clarification questions with responses.

  14. We have published a slidepack from our stakeholder sessions, 26-27 July 2023, and our responses to clarification questions received up until 28 July 2023.

  15. This competition is now open to applications.

  16. First published.

Documents

Heat pump investment accelerator competition: round 2 – scheme guidance

PDF, 320 KB, 38 pages

Heat pump investment accelerator competition: round 2 - clarification questions (updated 23 July 2026)

HTML

Heat pump investment accelerator competition: round 2 – application form

MS Word Document, 143 KB

Case for assistance assessment template

MS Excel Spreadsheet, 56.8 KB

Deliverability assessment template (business case)

MS Word Document, 32.2 KB

Deliverability assessment template (financial model)

MS Excel Spreadsheet, 57.5 KB

Deliverablility assessment template (project plan)

MS Excel Spreadsheet, 68.8 KB

Economic assessment template

MS Excel Spreadsheet, 62.3 KB

Strategic assessment template

MS Excel Spreadsheet, 49.8 KB

Successful projects (round 1)

https://www.gov.uk/government/publications/heat-pump-investment-accelerator-competition-successful-projects

Details

This competition closed for applications on 5 August 2026.

The Heat Pump Investment Accelerator Competition (HPIAC), worth up to £90 million in total, aims to bring forward investment in the UK heat pump manufacturing supply chain.

It is open to UK registered businesses (which includes those that may be set up for the purpose of delivering the project in the application), who can apply for grant funding of up to £30 million per project, for major investments in the manufacture of heat pumps and strategically important heat pump components.

The guidance outlines the process through which we will allocate scheme funding. It details:

  • how the scheme works
  • the eligibility criteria
  • how to apply
  • how applications are assessed
  • how funding is allocated, including the contractual arrangements
  • how successful projects should report progress

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