France: Mega Project France Launches its Largest Battery-Based Energy Storage Site in Dunkirk

With a power capacity of 61 MW and a total storage capacity of 61 MWh, the largest battery-based energy storage facility in France has been commissioned by TotalEnergies. The project supports the need for grid stabilization in the country and will enable the production of renewable energy by integrating green electricity into the grid.

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Paris/France – TotalEnergies has launched the largest battery-based energy storage facility in France. Located at the Flandres center in Dunkirk, this site, which responds to the need for grid stabilization, has a power capacity of 61 MW and a total storage capacity of 61 megawatt hours (MWh). It is made up of 27 containers of 2.5 MWh, designed and assembled by Saft, TotalEnergies’ battery affiliate which notably develops advanced batteries for industry.

This project was selected as part of the long-term tender launched by the French Electricity Transmission Network (RTE) in February 2020, where TotalEnergies was awarded battery storage capacities in France. The full commissioning of the site follows the start-up of a first 25 MW unit in January 2021.

The commissioning of this site marks a new step in the development of TotalEnergies' battery energy storage capabilities. With this project, TotalEnergies is contributing to:

• ensuring sufficient electricity supply in the national grid, especially during peak winter periods,

• guaranteeing grid security by providing fast reserve services,

• supporting the production of renewable energy by allowing more green electricity to be integrated into the grid.

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