The latest uk energy storage subsidy policy

What is the long duration energy storage Investment Support Scheme?

Long Duration Electricity Storage investment support scheme will boost investor confidence and unlock billions in funding for vital projects. The UK is a step closer to energy independence as the government launches a new scheme to help build energy storage infrastructure.

When will long duration electricity storage (LDEs) projects be approved?

Today, 8 April 2025, we open the first application window for Long Duration Electricity Storage (LDES) projects under the cap and floor regulatory scheme. This follows the March 2025 Technical Decision Document published with the government. We aim to approve the first projects by Q2 2026.

What is the long duration electricity storage (LDEs) cap and floor scheme?

PDF, 3.93 MB, 60 pages In October 2024, the government decided to introduce a Long Duration Electricity Storage (LDES) cap and floor scheme that will be delivered by Ofgem. The cap and floor scheme was strongly supported through consultation responses and builds on the approach already used to successfully deliver more electricity interconnection.

Can energy storage improve the resilience of the UK's electricity grid?

Over £32 million government funding has been awarded to UK projects developing cutting-edge innovative energy storage technologies that can help increase the resilience of the UK’s electricity grid while also maximising value for money.

Can new energy storage technologies boost UK energy resilience?

However, new energy storage technologies can store excess energy to be used at a later point, so the energy can be used rather than wasted – meaning we can rely even more on renewable generation rather than fossil fuels, helping boost the UK’s long-term energy resilience.

Will a new cap-and-floor scheme support long duration energy storage?

Flow batteries, compressed air, and liquid air likely to progress in second round, says regulator. Details of a new cap-and-floor scheme to support long duration energy storage (LDES) in the United Kingdom have been revealed, including significant decisions on eligibility criteria.