The Fluence-Runcorn – Battery Energy Storage System is a 20,000kW energy storage project located in Runcorn, England, UK.

The electro-chemical battery energy storage project uses lithium-ion as its storage technology. The project was announced in 2018 and will be commissioned in 2021.

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The Fluence-Runcorn – Battery Energy Storage System is being developed by UK Power Reserve. The project is owned by UK Power Reserve (100%), a subsidiary of Sembcorp Industries.

The key applications of the project are frequency regulation and grid support services.

Contractors involved

UK Power Reserve is the owner. UK Power Reserve is the developer. Fluence Energy is the technology provider for the project.

Additional information

The project is a part of UK Power Reserve’s first 60 MW of its battery portfolio – a total of 120 MW were secured in the 2016 Capacity Market auction. Battery storage installations join Sembcorp’s UK fleet of gas-fired plants, which provide flexible, efficient, rapid-response power to the UK energy market.

About UK Power Reserve

UK Power Reserve Ltd (UK Power Reserve) a subsidiary of Sembcorp Industries Ltd is an electrical services company that operates and develops power stations. The company’s services include demand side response and aggregation, energy trading and optimization, triad management services, power generation, trading and optimization, control and monitoring, portfolio service and maintenance, among others. It also provides demand management, constraint management, remote fault repairs, site acquisition and development, site security, and real time site performance monitoring services, among others. UK Power Reserve offers low carbon power services to the UK electricity market. UK Power Reserve is headquartered in Solihull, the UK.


All publicly-announced energy storage projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects are sourced through secondary information sources such as country specific power players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.