Long-term mobile energy storage container in London

Should UK government invest in long-duration energy storage?

UK government announces ‘cap and floor’ scheme with aim of incentivising investment in long-duration energy storage amid concerns that 72TWh of UK renewable power per year ‘could be wasted’ – but there is a lack of clarity about where to locate such storage and what type of long-duration technology works best

Should long duration energy storage be more widely adopted?

While the LDES sector is united in its view that long duration storage will be more widely adopted – there is certain to be much less consensus on where to locate LDES projects and which type of LDES technology should be adopted. The battle for supremacy among long duration energy storage market players is just about to begin.

How many types of long duration energy storage are there?

Again the answer is not entirely clear. The DESNZ report considered nine types of long duration storage in its analysis (see table below): Which type of long duration energy storage represents the best type of investment is open to debate.

When will energy storage infrastructure be scaled up in the UK?

This marks the first major government-backed effort in over four decades to scale up long-duration energy storage infrastructure in the UK. Application window now open: Developers must submit intent to apply by 22 April 2025, with final applications due by 9 June 2025.