Thermal Energy Storage | London Geothermal Consortium
As part of our integrated thermal energy solutions, London Geothermal specialises in the design, development, and deployment of Underground Thermal Energy Storage (UTES) systems,
Bramley BESS (Hampshire): 100 MW / 331 MWh, currently the UK's largest energy storage project. Fidra Energy (Thorpe Marsh): A 1.4 GW / 3.1 GWh BESS being built on a former coal site. Copenhagen Infrastructure Partners (CIP): Two 500 MW / 3 GWh systems planned in Scotland.
Unlike Battery Energy Storage System (BESS) solutions, which are effective for short bursts (1–4 hours), LDES technologies are designed to support the grid during extended lulls in generation – such as overnight, during wind droughts, or across seasonal mismatches. The value-add LDES brings to the UK grid includes:
Battery Energy Storage Systems (BESS): Battery energy storage infrastructure, currently dominated by lithium-ion, is essential for short-to-medium duration grid services, helping balance variable generation, regulate frequency, and offering rapid response grid support.
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