Industrial Energy Transformation Fund (IETF) Phase 1: Spring 2021 (closed to applications)

Phase 1: Spring 2021 of the IETF provided grant funding for feasibility and engineering studies and for industrial energy efficiency deployment projects.

Applies to England, Northern Ireland and Wales


IETF deployment guidance (link to Innovation Funding Service site)

IETF studies guidance (link to Innovation Funding Service site)

Supplementary Grant Award Guidance

Project Benefit Calculator v2.0

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IETF Phase 1: Spring 2021 provided up to £40 million of grant funding for energy efficiency projects and studies. Innovate UK and BEIS jointly delivered this phase of the competition for England, Wales and Northern Ireland.

Phase 1: Spring 2021 project types

Phase 1: Spring 2021 provided funding for:

  • projects deploying technologies that improve the energy efficiency of industrial processes
  • feasibility and engineering studies into energy efficiency and deep decarbonisation measures for industrial processes

Competition dates

The Phase 1: Spring 2021 competition ran from 8 March until 14 July 2021. Applications are currently being assessed.


The competition was open to businesses of any size registered in England, Wales or Northern Ireland within the following categories:

  • those within the manufacturing SIC codes 10-33
  • data centres


The funding was allocated as grants within these thresholds:

Funding applied for Minimum threshold per application Maximum threshold per project
Energy efficiency deployment projects £100,000 £14 million
Engineering studies £50,000 £14 million
Feasibility studies £30,000 £7 million

The minimum thresholds were lowered in response to feedback received during Phase 1: Summer 2020.

Get in touch

If you have questions about the IETF or would like to discuss your application, please contact

If your site is based in Scotland, you can apply for the Scottish Industrial Energy Transformation Fund (SIETF): contact for more information.

Published 7 February 2021
Last updated 22 September 2021 + show all updates
  1. IETF Phase 1 Spring competition is now closed to applications.

  2. IETF spring 2021 draft grant funding agreement added.

  3. First published.