With over 9GWh of operational grid-scale BESS (battery energy storage system) capacity in the UK – and a strong pipeline – it’s worth identifying the regional hotspots and how the landscape may evolve in the future. 

UK regulator Ofgem has launched a cap and floor investment support scheme to unlock funding for new Long Duration Electricity Storage (LDES).

Gilkes Energy has been awarded planning consent for its Earba Pumped Storage Hydro (PSH) scheme.

Invinity Energy Systems has been given the green light to deploy a 20.7MWh vanadium redox flow battery system in the UK, the largest in the country.

The UK saw 1,590MW/3,179MWh of grid-scale BESS projects approved last month, bringing the total approved projects to around 55.4GW/117GWh.

A total of 11.9GW of energy storage across all scales and technologies was installed in Europe in 2024, bringing cumulative installations to 89GW.

Drax has outbid Foresight Group LLP to acquire the share capital of the publicly-listed Harmony Energy Income Trust (HEIT) for £200 million (US$239.15 million).

A panel of developers, operators, OEMs and consultants discussed the different government approaches in Europe to ensuring long-term deployment of energy storage with revenue and capex support schemes, at last month’s Energy Storage Summit EU 2025.

Some 2.5GW of BESS projects in the UK have won contracts across the T-1 and T-4 capacity markets (CM), announced in a week which also saw project financings worth a combined c.£1 billion, including from Zenobē, Constantine and Quinbrook.

Juan Ceballos, Trina Storage head of sales for Europe, tells ESN Premium how one of solar’s big players aims to become a major presence in energy storage.