UK long duration storage: What type is best and where should it be built?
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.
- UK system costs could increase if LDES is located in Scotland, but could decrease if such storage is located in England
- Different types of storage have different merits – pumped hydro has high capex costs but longer project lifetime
- In contrast, compressed air energy storage has lower capex costs, but also a lower ‘technology readiness level’
By Ben Cook
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