Grid-scale

Swedish–French partnership aims for 200 MW of battery projects in France

Swedish company Ingrid Capacity and French developer Wattmen have entered into a co-development agreement to deploy 200 MW of battery energy storage systems in France. The first projects are expected to be ready for construction by 2026-2027.

By

Gwenaelle Deboutte

Feb 11, 2026

Ingrid Capacity, a Swedish specialist in flexibility and grid technologies, and Wattmen, a French developer of energy storage solutions, have signed a co-development agreement to deploy 200 MW of battery energy storage systems (BESS) in France. The projects are expected to reach ready-to-build status between 2026 and 2027.

Under the partnership, Wattmen will draw on its in-depth knowledge of the French energy market to lead local project development, while Ingrid Capacity will contribute its expertise in financing, procurement and operations, as well as asset optimization through its in-house trading and optimization platform.

Founded in 2022 and headquartered in Stockholm, Ingrid Capacity has built a portfolio exceeding 450 MW (650 MWh) of battery storage capacity and has raised more than €300 million in capital. Its assets include Finland’s largest battery storage facility, with a capacity of 70 MW (140 MWh), and one of the largest in Sweden, at 100 MW (200 MWh).

Wattmen, which has received recognition from French Tech and Ademe, is currently developing 170 MW of storage projects in France. “Thanks to Ingrid’s expertise, we can significantly accelerate the time to market for our assets. This enhances profitability for renewable energy producers, facilitates their integration into the power system, and strengthens grid resilience,” said CEO Jean-Marc Guenée.

From pv magazine France

Written by

Gwenaelle Deboutte

Gwénaëlle has been a journalist for over 15 years and heads the editorial team of the pv magazine France website and its French-language newsletter. Since 2015, she has been covering developments in the renewable energy sector for the professional press. In parallel, she reports on economics and industrial policy in Europe.

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