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    Vulcan’s Project Ludwig PFS: modular lithium growth model for mine planners

    September 3, 2026|

    Reviewed by Tom Sullivan

    Vulcan’s Project Ludwig PFS: modular lithium growth model for mine planners

    First reported on Australian Mining

    30 Second Briefing

    Vulcan Energy has completed a preliminary feasibility study for Project Ludwig in Germany’s Upper Rhine Valley Brine Field, about 60km north of its Lionheart project, targeting repeatable, modular lithium growth within a 100km integrated production radius. The brine-hosted project in the Ludwigshafen region is positioned to feed both national and international critical minerals supply chains, leveraging existing geothermal-lithium know‑how from Lionheart. For engineers, the key signal is a template-style development model that could standardise wellfield design, brine handling, and direct lithium extraction infrastructure across multiple sites.

    Technical Brief

    • Centralised control within the 100km operating radius enables shared brine handling, power and maintenance teams.
    • Standardised plant design is aimed at compressing permitting, procurement and construction schedules for subsequent modules.
    • For other geothermal‑brine basins, the approach suggests a franchise‑style template for repeatable lithium capacity build‑out.

    Our Take

    Earlier coverage of Vulcan Energy’s Lionheart project in the Upper Rhine Valley highlighted more than $3 billion in international funding, so a repeatable Project Ludwig ‘template’ within the same brine field would likely be aimed at de‑risking that capital by standardising wellfield, DLE and chemical plant designs across multiple lithium assets in Germany.

    With Lionheart and Project Ludwig both sited in the Upper Rhine Valley Brine Field and within roughly a 100 km operating radius, Vulcan Energy is effectively building a hub‑and‑spoke lithium‑chemical system, which should allow shared infrastructure (power, brine handling, chemical conversion) and lower unit costs versus isolated greenfield projects.

    In our database of lithium and critical minerals pieces, Vulcan Energy is one of the few European‑based operators trying to deliver an integrated, low‑carbon supply chain inside the EU, which positions the Upper Rhine Valley projects to benefit from European Union policy support aimed at reducing reliance on Chinese‑controlled lithium supply projected by Wood Mackenzie to remain dominant to 2030.

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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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