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    Critical Metals’ Tanbreez offtake JV: project economics and supply security for mine planners

    December 10, 2025|

    Reviewed by Tom Sullivan

    Critical Metals’ Tanbreez offtake JV: project economics and supply security for mine planners

    First reported on MINING.com

    30 Second Briefing

    Critical Metals has signed a term sheet to form a 50:50 carried-interest joint venture with Romanian state-owned processor FPCU, securing long-term offtake rights for 50% of concentrate from the Tanbreez heavy and medium rare earth project in Greenland with no capex, debt or equity issuance required for the new plant. The JV will design, finance, build and operate a rare earth processing facility in Romania, supplying NATO-aligned feedstock to EU advanced manufacturing, electrification and defence sectors. This deal follows an October letter of intent with US processor REalloys for a 10-year offtake covering a further 15% of Tanbreez production.

    Technical Brief

    • Term sheet with Romanian processor FPCU leverages its existing uranium and strategic concentrate processing expertise.
    • CRML secures offtake rights over 50% of Tanbreez concentrate for the full life-of-mine.
    • No CRML capex, debt or equity issuance is required for the Romanian processing facility.
    • CRML’s 50% JV stake is on a carried-interest basis, shifting funding and construction risk to the partner.
    • China’s current control of >80% of global rare earth processing frames the strategic value of EU‑based capacity.
    • Output from the Romanian plant is earmarked for direct use within the EU in defence and electrification supply chains.

    Our Take

    With more than 80% of rare earth processing still controlled by China, locking in 50% of Tanbreez concentrate and a 50% carried stake in the Romanian JV positions Critical Metals and FPCU as part of a small group of European-linked players trying to internalise processing capacity within the EU and near-US sphere.

    Among the 28 keyword-matched pieces on uranium and rare earths in our database, very few involve Greenland as a source and Romania as a processing hub, signalling that this Greenland–Romania routing is an unconventional but potentially strategic supply chain for European and US buyers seeking non-Chinese feedstock.

    The life-of-mine offtake over half of Tanbreez’s premium rare earth concentrates effectively pre-allocates a large portion of future output, which is likely to influence financing terms and could leave later-stage customers competing for the remaining uncommitted share of production.

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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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