The Harmony Energy-Salisbury Battery Energy Storage System is a 49,500kW energy storage project located in Salisbury, Wiltshire, England, UK.

The electro-chemical battery energy storage project uses lithium-ion as its storage technology. The project was announced in 2020 and will be commissioned in 2025.


The Harmony Energy-Salisbury Battery Energy Storage System is being developed by Harmony Energy. The project is owned by Harmony Energy (100%).

The key application of the project is grid supportive services.

Contractors involved

Harmony Energy is the owner. Harmony Energy is the developer.

Additional information

Harmony Energy has secured planning permission for a new 49.5MW battery energy storage system in Salisbury, Wiltshire. The project will provide energy balancing services to the National Grid.


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.