Critical Minerals by 2030: Can Processing Capacity Keep Pace with Demand?

The International Energy Agency (IEA) projects that copper supply will fall 25% short of demand by 2035, while the cobalt deficit could exceed 25% as export restrictions reshape the market. Refining remains concentrated, with the leading country accounting for 72% of refined supply across key energy minerals in 2025, excluding rare earths. As new projects compete for investment and existing trade routes face disruption, procurement leaders must determine whether alternative suppliers can deliver qualified materials at competitive prices before shortages affect production.

The Processing Bottleneck Persists

The IEA's July 2026 outlook projects that demand for key energy minerals will nearly double by 2040 under its stated-policy scenario. Lithium demand is expected to more than triple, while copper demand will increase by around 7 million tonnes as electricity networks and emerging technologies expand.

Supply concentration remains difficult to unwind. Indonesia, the leading nickel refiner, and China, the leading refiner of most other key energy minerals, accounted for more than three-quarters of growth in refined supply over the past two years. China's share of rare-earth refining declined from more than 90% in 2023 to 85% in 2025, but planned projects would reduce it to only around 70–73% by 2035.

Price volatility adds another layer of uncertainty to this supply concentration. Lithium prices in China fell 20.8% in Q3 2026 after rising sharply earlier in the year. Such volatility threatens the viability of higher-cost alternative processors, potentially delaying investment and limiting supply, while price spikes increase procurement costs and competition for available material.

For procurement leaders, the risk is twofold: export restrictions can tighten availability, while falling prices can undermine the economics of alternative processing projects. Both developments can delay the emergence of reliable alternatives.

Why Diversification Could Fall Short of Expectations

1. Mining capacity is growing faster than processing capacity

The IEA estimates that announced rare-earth mining projects outside the leading producer could deliver nearly 50,000 tonnes of annual capacity by 2035. Planned refining and separation capacity remains below 40,000 tonnes, while planned rare-earth metal, alloy and magnet production totals only around 18,000 tonnes. This leaves a significant gap between mineral extraction and the materials required by manufacturers.

For procurement teams, supplier mapping should extend beyond the mine to refining, separation and downstream conversion. Prioritise materials with limited processing alternatives and qualify secondary sources capable of supplying the required grade and specification

2. Alternative processing comes at a cost

As per IEA, refining projects outside dominant supplier countries can face capital costs 20% to more than 150% higher, with operating costs averaging around 50% higher. These cost disadvantages make new facilities vulnerable when commodity prices fall or customer commitments weaken.

Australia's critical-minerals prospectus, released on 27 October 2026, lists 94 investment-ready projects, including 36 focused on processing. These projects expand the pipeline, although commercial output depends on financing, construction and successful commissioning.

Procurement teams should compare alternative suppliers on total delivered cost, production reliability and exposure to commodity-price movements. Where a strategic alternative carries a premium, consider phased volume commitments and longer-term offtake agreements, with commitments linked to verified production milestones.

3. Export restrictions can disrupt supply before alternatives are ready

The number of mineral tariff codes subject to Chinese export controls has tripled since 2023. The DRC introduced a cobalt export quota, while Zimbabwe and Mozambique introduced restrictions affecting lithium and graphite trade. The IEA estimates that cobalt's projected supply deficit has widened from just over 15% to more than 25% by 2035, reflecting the impact of the DRC's quota.

Procurement teams should assess how export restrictions could affect contracted volumes, lead times and supplier allocation. For highly exposed materials, establish contingency suppliers, review inventory coverage and include clear allocation and delivery provisions in contracts before restrictions disrupt shipments.

What Procurement Leaders Should Do Now

The priority through 2030 is to qualify credible alternatives before a shortage forces an urgent and potentially expensive switch.

1. Trace processing dependencies. Map where critical inputs are mined, refined and converted into production-ready materials. Prioritise inputs dependent on a single processing country or facility.
2. Verify actual supplier output. Request quarterly production, utilisation, quality and delivery data. Do not treat announced capacity as available supply until commissioning and customer qualification are complete.
3. Secure supply against measurable milestones. Structure offtake agreements around verified commissioning and production targets. Define volume commitments, quality requirements and price-adjustment mechanisms before committing significant capital.
4. Prepare category-specific scenarios. Test the effect of export restrictions, project delays and price declines on critical inputs over the next two to four years. Link each scenario to inventory coverage, alternative suppliers and approved substitutes.

Conclusion

New investment is expanding the pipeline of critical-mineral projects, but the availability of commercially viable processing capacity remains the key constraint. Copper and cobalt supply shortfalls projected by the IEA highlight the risk of relying on future capacity that may not arrive when required.

Procurement leaders should focus on alternatives that can meet technical specifications, deliver committed volumes and remain commercially viable. Qualifying those suppliers before supply tightens will provide greater leverage in negotiations and reduce the risk of production disruption.