The Great British Energy (GBE) Supply Chain Fund: Offshore Wind and Networks will award up to £300 million in capital grant funding to build UK manufacturing capacity for key constrained components in offshore wind and enabling electricity networks sectors. Funding must be used to construct new or extend existing manufacturing facilities in the UK. The application window will close 10 December 2026 (or earlier if the Fund's budget is fully allocated).
Up to £300mCloses 10 December 2026England, Wales, Scotland, Northern Ireland
The UK Government has launched the Visa Fees Reimbursement Scheme for Scale Ups (VFRS4SU), a targeted grant scheme to help UK scale ups in Clean Energy, Life Sciences, and Digital and Technologies hire internationally by reimbursing eligible visa application fees for specialist hires and their dependants.
UK registered organisations can apply for a share of up to £25 million for pre-commercialisation projects. This funding is from the UKRI R&D Missions Accelerator Programme through the Clean Energy Superpower Mission.
£100k – £3mCloses in 3 days (26 August 2026)UK-wide
Innovate UK, part of UK Research and Innovation (UKRI)
UK registered businesses can apply for a share of up to £3 million for project development studies to support the development of ultra long duration battery energy storage demonstrators in the UK.
The Department for Environment, Food and Rural Affairs (Defra)
UK registered businesses can apply for a share of up to £15 million for feasibility projects. This funding is from the industry led R&D Partnerships Fund, part of the Farming Innovation Programme.
£200k – £500kCloses in 17 days (9 September 2026)UK-wide
UK Research and Innovation, Natural Environment Research Council
Apply for funding to deliver collaborative research which focuses on the underpinning science of aviation’s non-carbon dioxide (non-CO2) impacts and how they interact with climate over time with the view to identifying benefits, mitigation options, informing industry and government policy decisions.
Up to £385.4kCloses in 16 days (8 September 2026)UK-wide
UK registered organisations can apply for a share of up to £150 million. The funding will be to develop, deploy and operate innovative clean maritime solutions for three years in a real world environment. This funding is from the Department for Transport.
£1,000 – £30mCloses in 24 days (16 September 2026)UK-wide
UK registered organisations can apply for a share of up to £20 million for late stage collaborative research and development projects. Projects will support the UK’s transition to zero emission vehicles and a pathway to a net zero automotive industry.
£2.5m – £20mCloses in 24 days (16 September 2026)UK-wide
UK registered organisations can apply for a share of up to £150 million. The funding will be to develop, deploy and operate innovative clean maritime solutions for three years in a real world environment. This funding is from the Department for Transport.
£1,000 – £30mCloses in 24 days (16 September 2026)UK-wide
The Heat Network Efficiency Scheme (HNES) provides funding to public, private and third sector applicants, to support improvements to existing district heating or communal heating projects in England and Wales that are operating sub-optimally and resulting in poor outcomes for customers and operators.
Projects can apply to HNES for either revenue or capital grant funding:
Revenue grants – grants to fund procurement or mobilisation of external third-party support to carry out Optimisation Studies. These studies will assess heat network projects to identify causes of sub-optimal performance and recommend costed intervention or improvement measures.
Capital grants – grants to part-fund the delivery (installation) of eligible intervention/improvement measures.
The Boiler Upgrade Scheme (BUS) supports the decarbonisation of homes and small and medium non-domestic buildings in England and Wales. The scheme provides upfront capital grants of up to £7,500 to encourage property owners to replace existing fossil fuel heating with more efficient, low carbon heating systems including heat pumps and biomass boilers.
£5,000 – £7,500Closes 31 December 2029England, Wales
IndividualLocal authoritySchoolLimited company+2 more
UK registered organisations can apply for a share of up to £150 million. The funding will be to develop, deploy and operate innovative clean maritime solutions for three years in a real world environment. This funding is from the Department for Transport.
£1,000 – £30mCloses in 24 days (16 September 2026)UK-wide
UK registered organisations can apply for a share of up to £20 million for late stage collaborative research and development projects. Projects will support the UK’s transition to zero emission vehicles and a pathway to a net zero automotive industry.
Amount not publishedCloses in 24 days (16 September 2026)UK-wide
UK registered businesses can apply for a share of up to £3 million for project development studies to support the development of ultra long duration battery energy storage demonstrators in the UK.
UK registered businesses providing flexibility services can submit an expression of interest for a trial assessing if DTU can reduce renewable electricity curtailment in Great Britain. Successful applicants can apply for a share of up to £16 million.
Amount not publishedCloses in 24 days (16 September 2026)UK-wide
UK registered organisations can apply for a share of up to £25 million for pre-commercialisation projects. This funding is from the UKRI R&D Missions Accelerator Programme through the Clean Energy Superpower Mission.
Amount not publishedCloses in 3 days (26 August 2026)UK-wide
UK registered organisations can apply for a share of up to £150 million. The funding will be to develop, deploy and operate innovative clean maritime solutions for three years in a real world environment. This funding is from the Department for Transport.