The Pivot Power-Cowley – Battery Energy Storage System is a 50,000kW energy storage project located in Cowley, Oxford, England, UK. The rated storage capacity of the project is 50,000kWh.

The electro-chemical battery energy storage project uses lithium-ion as its storage technology. The project was announced in 2019 and will be commissioned in 2021.


The Pivot Power-Cowley – Battery Energy Storage System is being developed by Pivot Power. The project is owned by Pivot Power (100%), a subsidiary of EDF Renewables.

The key applications of the project are frequency response, electricity market trading, reactive power and electric vehicle charging services and grid support services.

Contractors involved

Pivot Power is the owner. Pivot Power is the developer. Wartsila is the technology provider for the project.

Additional information

The project is a part of Pivot Power’s programme to develop, own and operate up to 2 GW of grid-scale energy storage and high volume power connections which are directly connected to the UK high-voltage transmission system. Pivot Power is developing a world-first national network of grid-scale batteries and high-volume power connections to provide essential capacity for rapid electric vehicle (EV) charging. The first two projects at Cowley in Oxford and Kemsley in Kent. Wartsila will support the projects under 10-year service agreements with flexible performance guarantees.

Maintech Power will provide ongoing electrical maintenance services for two new 50MW battery storage facilities located in Kent and Oxford.


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.