The West Lothian Broxburn Energy Storage System is a 20,000kW energy storage project located in West Lothian, Scotland, UK.

The electro-chemical battery energy storage project uses lithium-ion as its storage technology. The project was commissioned in 2018.


The West Lothian Broxburn Energy Storage System was developed by Renewable Energy Systems. The project is owned by The Renewables Infrastructure Group (100%).

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

Contractors involved

Renewable Energy Systems and The Renewables Infrastructure Group have delivered the battery energy storage project.

Additional information

The Renewables Infrastructure Group (TRIG), has acquired Broxburn Energy Storage Facility from RES for £20 million (US$25.9 million). The project is expected to have an operational life of 15 years but has secured an initial four year bespoke bilateral agreement to provide dynamic, two-way import and export sub-second balancing services to National Grid.

About Renewable Energy Systems

Renewable Energy Systems Ltd (RES), a subsidiary of Renewable Energy Systems Holdings Ltd, is a renewable energy company that designs, develops, constructs, finances and operates energy development projects. The company offers project development, design and engineering, construction, commissioning, operation and maintenance, procurement, resource assessment, project engineering, asset management, project management, technical support and advisory services. It undertakes offshore wind projects, solar projects, transmission projects and energy storage projects. The company has operations in the UK and Ireland, the US, Australia, Canada, France, Germany, Turkey and Scandinavia. RES is headquartered in Kings Langley, 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.