US lithium stockpile struggle: supply chain realities for mine planners
Reviewed by Tom Sullivan

First reported on MINING.com
30 Second Briefing
US Defence Logistics Agency has again delayed bids for a contract of up to $300 million to supply 16,167 tonnes of battery‑grade lithium carbonate to the National Defense Stockpile, pushing the deadline to 5 August from an original 17 July. The move exposes how limited US‑aligned supply remains, with Albemarle’s Silver Peak mine the only domestic producer and Elevra Lithium’s North American Lithium operation in Quebec still shipping spodumene concentrate that requires conversion. With Thacker Pass at least a year from production and Chinese processors dominating refining, US planners face a persistent gap between policy and physical tonnes.
Technical Brief
- Defence Logistics Agency tender specifies deliveries to multiple US National Defense Stockpile depots over five years.
- Contract structure front‑loads the largest lithium carbonate volume into year one of supply.
- Fastmarkets battery‑grade lithium carbonate price quoted at $19.25/kg CFR Asia, 23% below mid‑May.
- Albemarle’s Silver Peak remains the only operating US lithium mine, constraining domestic feedstock options.
- Elevra Lithium’s North American Lithium mine produced ~200,000 t spodumene concentrate in 2025, targeting ~338,000 t/y by 2028.
- NAL output requires third‑party chemical conversion to lithium carbonate before qualifying for the Pentagon tender.
- Lithium Americas’ Thacker Pass project in Nevada is described as ~12 months from commercial production start‑up.
- A previous DLA cobalt tender was postponed and reworked after supplier pushback on pricing and terms.
Our Take
The US Defense Logistics Agency’s difficulty in lining up lithium for the National Defense Stockpile echoes its earlier need to reopen a $500 million cobalt tender in 2025, suggesting that volatile battery-metal pricing keeps undermining long-term offtake commitments for strategic reserves.
Albemarle’s role in both US projects like Silver Peak and Chilean exports, as seen in our Chile lithium coverage, means any Pentagon-backed prepayment facility could effectively be competing with high-margin export channels rather than just supporting marginal domestic tonnes.
With lithium carbonate prices down about 75% from the 2022 peak yet still central across 148 lithium- and cobalt-linked pieces in our database, locking in supply from assets such as Thacker Pass or Georgia Lake by 2028 is likely more about insulating defence procurement from future price spikes than about securing the lowest-cost material today.
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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