Alpiq acquires 100MW Cheviré battery storage facility in western France

Swiss vigor institution Alpiq has acquired the Cheviré artillery retention facility, a 100MW/200-megawatt-hour (MWh) tract successful the larboard of Nantes Saint-Nazaire, France, from Harmony Energy, furthering its absorption connected artillery retention installation acquisitions successful France.

Cheviré is presently the largest artillery retention installation successful France, susceptible of providing ancillary grid services oregon gathering the energy request of 170,000 households for 2 hours.

The transaction was completed connected 21 January. Alpiq states that this acquisition reinforces its efforts to integrate expanding renewable powerfulness into the vigor system.

According to Alpiq, flexible assets specified arsenic artillery retention and pumped hydropower are indispensable for balancing adaptable renewables and stabilising grid frequency.

Cheviré’s 100MW output and 200MWh capableness marque it Alpiq's largest operational artillery vigor retention strategy (BESS) asset.

The installation is located connected the erstwhile Cheviré fossil substance powerfulness works site, which operated betwixt 1954 and 1986. The BESS uses chiefly low-carbon powerfulness to present grid enactment oregon proviso electricity.

Harmony Energy developed and commissioned Cheviré earlier selling it to Alpiq. Harmony Energy began operating successful the UK successful 2010 and launched Harmony Energy France successful aboriginal 2022.

Alpiq’s BESS portfolio present exceeds 750MW crossed Germany, France and the Nordics, with astir fractional operational oregon nether construction.

Additional projects see a further 100MW BESS successful La Corne-en-Vexin, which is presently nether operation and volition travel online successful 2027. The institution plans further investments successful flexible assets crossed Europe.

Alpiq concern part assets caput and enforcement committee subordinate Amédée Murisier said: “The acquisition of the Cheviré artillery retention installation marks a milestone successful the implementation of our maturation strategy successful the country of flexible plants and for ensuring a sustainable, unafraid vigor supply.

“Flexibility is cardinal to integrating renewable vigor and ensuring the stableness of energy grids.

“We are investing specifically successful flexible powerfulness plants and retention facilities that assistance fortify information of proviso and present sustainable solutions for our customers. France is simply a strategical marketplace successful this regard, and Cheviré represents a milestone connected our way to strengthening and further expanding our presumption arsenic a supplier of flexibility solutions successful Europe.”

In December 2025, Alpiq entered the German artillery retention marketplace with a task pipeline totalling 370MW for BESS successful the Brandenburg and Saxony-Anhalt regions.

"Alpiq acquires 100MW Cheviré artillery retention installation successful occidental France" was primitively created and published by Power Technology, a GlobalData owned brand.