The Lockleaze Battery Energy Storage System is a 15,000kW energy storage project located in Bristol, England, UK.

The electro-chemical battery energy storage project uses lithium-ion as its storage technology. The project was commissioned in 2017.

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The Lockleaze Battery Energy Storage System was developed by Aura Power Storage Solutions. The project is owned by Hazel Capital (100%).

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

Contractors involved

Aura Power Storage Solutions, Hazel Capital and LG Chem have delivered the battery energy storage project.

Additional information

The project won a two year firm frequency response (FFR) contract with National Grid, which is expected to deliver c. £2.6 million (US$3.26 million) in revenues for each of the two years contracted.


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.