RGREEN INVEST Pours €52M Into Arverne’s Geothermal Push
Event summary
- RGREEN INVEST’s INFRAGREEN V fund invested €52.4M in GEOGREEN, the holding company of Arverne CEO Pierre Brossollet.
- GEOGREEN will commit €37M to Arverne’s €701M ORANE bond issuance alongside other investors.
- The deal strengthens Arverne’s Dual Flow growth plan, targeting 4 TWh of geothermal energy and 27,000 tons of lithium carbonate annually by 2031–2033.
- GEOGREEN now holds 25.76% of Arverne’s share capital but will maintain voting rights below 30%.
- Arverne aims to avoid nearly one million tons of CO₂ emissions annually compared to natural gas.
The big picture
This investment underscores the growing strategic importance of geothermal energy in Europe’s push for energy security and decarbonization. Arverne’s integrated model—combining heat, cooling, and lithium extraction—positions it as a key player in both renewable energy and critical mineral supply chains. The deal reflects broader trends of long-term capital flowing into infrastructure projects that address climate change while delivering economic resilience.
What we're watching
- Execution Risk
- Whether Arverne can scale geothermal lithium production to meet its ambitious targets by 2031–2033.
- Governance Dynamics
- How GEOGREEN’s board representation will influence Arverne’s strategic decisions amid its growth plan.
- Market Impact
- The pace at which Europe adopts geothermal energy as a cornerstone of its low-carbon economy.
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