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    Vulcan Energy’s Lionheart lithium project: integrated design notes for engineers

    March 31, 2026|

    Reviewed by Joe Ashwell

    Vulcan Energy’s Lionheart lithium project: integrated design notes for engineers

    First reported on Australian Mining

    30 Second Briefing

    Australian-listed Vulcan Energy is developing Europe’s first integrated, low‑carbon lithium supply chain in Germany’s Upper Rhine Valley, with geothermal brines, direct lithium extraction and chemical conversion all controlled within a 100km radius of its Lionheart project. The company plans to co‑produce baseload renewable geothermal power and heat while extracting lithium hydroxide for European battery plants, targeting short, intra‑EU logistics instead of importing spodumene or brine products. For geotechnical and process engineers, the project couples deep geothermal wellfields with closed‑loop brine handling and on‑site refining, tightening interfaces between subsurface, plant design and offtake.

    Technical Brief

    • Integrated design reduces cross-border transport interfaces between wellfields, extraction plant and chemical refinery.
    • For other sedimentary basins, similar co-production models could de-risk both geothermal and lithium project economics.

    Our Take

    The 100 km production radius around Vulcan Energy’s Lionheart project aligns with its recently reported German regulatory progress, signalling a tightly integrated, localised lithium supply chain that should appeal to EU policymakers focused on traceability and low transport emissions.

    In our database of 1193 Mining stories, lithium pieces like this one increasingly feature Europe alongside Australia, and Vulcan’s €2.2bn Lionheart financing package positions it as one of the more heavily backed lithium developers in the region rather than a junior niche player.

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    Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.

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