Article

Hydro Energy Invest, a subsidiary of a Norwegian group, acquired a 5.31% stake in Arverne Group in October 2025, adding to the company's capital following Bpifrance's 4.06% stake acquired in May 2025. The investment supports the Lithium de France subsidiary, which aims to exploit a geothermal lithium deposit in Alsace, with drilling starting in late 2025 and production expected to begin with the first refining train in 2028.