Australian lithium miners plot expansions: capex and volume signals for planners
Reviewed by Tom Sullivan

First reported on MINING.com
30 Second Briefing
Australian hard rock lithium producers are moving to restart and expand capacity after spodumene prices rebounded from about $600/t in July 2025 to intraday highs near $2,500/t in January, with Barrenjoey now forecasting $3,250/t in 2026. Pilbara Minerals is weighing a four‑month restart of its 200,000tpa Ngungaju plant and a A$1.2 billion expansion of Pilgangoora to 2Mtpa, while Mineral Resources has lifted FY26 guidance at Wodgina and Mt Marion to 450,000–490,000t and is assessing a four‑month restart of Bald Hill. Longer‑dated supply includes Greenbushes’ CGP3 adding 500,000tpa, Liontown studying a 4Mtpa expansion at Kathleen Valley, and Develop’s Pioneer Dome targeting six‑month DSO start‑up for A$35–40 million.
Technical Brief
- PLS reported Q4 realised prices of $1,161/t at 5.2% Li₂O, equivalent to $1,336/t at 6%.
- Ngungaju restart planning includes “early operational readiness” work to enable production within four months of FID.
- Pilgangoora’s FY26 guidance of 820,000–870,000t sits below its 1Mtpa installed nameplate capacity.
- Mineral Resources’ Bald Hill restart would require substantial plant remobilisation, with up to four months lead time.
- Wodgina and Mt Marion FY26 guidance was upgraded from 380,000–420,000t to 450,000–490,000t combined.
Our Take
Within our 86 lithium- and spodumene-tagged pieces, Western Australia dominates hard-rock supply discussions, so expansion moves at Pilgangoora, Wodgina and Greenbushes reinforce WA’s role as the marginal cost and volume setter for seaborne spodumene into China.
The relatively modest A$35–40 million capex to bring Pioneer Dome into production, compared with the A$1.2 billion study figure for the Pilgangoora expansion, suggests juniors with smaller, fast-to-market projects could react more nimbly to the six- to nine-month price outlook windows operators like PLS are now using.
Four‑month restart timeframes at Ngungaju and Bald Hill indicate that much of WA’s lithium capacity is now effectively ‘swing production’, which is likely to amplify price cyclicality as operators can toggle significant tonnage on or off in response to short-run spodumene price moves.
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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