Critical Minerals Bankability: Why the $250 Billion Copper Investment Gap Is Not a Capital Problem

July 14, 2026

Critical minerals investment grew 14% in 2023, the year governments everywhere were declaring the energy transition a national security priority. By 2024, that growth had slowed to just 5%, even as the policy commitments continued to compound. A new white paper from the World Economic Forum and Columbia University’s Center on Global Energy Policy, published in May 2026, identifies why the capital response is moving in the wrong direction despite political intent. The constraint is not geology or demand. It is bankability.

The scale of the gap makes the analysis urgent. There is a projected USD 250 billion investment shortfall in copper alone by 2030, with a 30% supply shortfall expected by 2035 under current trajectories, per the IEA. Most critical minerals projects cannot offer lenders the risk allocation, revenue certainty, or delivery confidence that mainstream private finance requires. The policy response has largely been broad programmes applied uniformly across markets that operate nothing alike. One instrument does not move all three variables: mineral market structure, jurisdiction risk, and project lifecycle stage each require a different de-risking tool.

Why Most Critical Minerals Projects Fail the Bankability Test

The WEF-Columbia paper identifies the core problem precisely. Long development timelines, high upfront capital needs, permitting complexity, policy uncertainty, and weak revenue visibility combine to make critical minerals projects difficult to underwrite for commercial lenders. These are not abstract concerns. A copper mine from discovery to production averages 17 years. A rare earth separation facility requires technology that is not commercially available outside China. A lithium project in a fragile jurisdiction needs political risk insurance that most providers do not offer at the required scale.

The risk profile of a critical minerals project is not comparable to the risk profile of an infrastructure bond or an investment-grade corporate credit. It requires specialised instruments: price floors, offtake guarantees, completion guarantees, concessional debt, or direct equity co-investment from governments or development finance institutions. The challenge is that the policy toolkit has been designed for commodity markets with well-established price discovery mechanisms, and most critical minerals lack exactly that.

Fewer than 20 of the 60 minerals on the USGS critical minerals list have standardised futures contracts on a major exchange, per the WEF-Columbia white paper. The rest trade bilaterally, with opaque pricing and no hedging tools. What works for copper, which has traded on the London Metal Exchange since 1877, does nothing for graphite or gallium. Without price discovery, revenue projections in a project finance model are not credible to a lender. Without hedging tools, offtake counterparties cannot lock in the commodity price risk. The absence of market infrastructure is itself a bankability constraint.

The Three Variables That One Policy Instrument Cannot Move

The WEF-Columbia framework distinguishes between three dimensions of project risk that require different de-risking responses: mineral market structure, jurisdiction risk, and project lifecycle stage. Applying the same policy instrument across all three is the systematic error in the current policy response.

A price floor at the construction stage does different work than a production tax credit at steady state. A price floor addresses the revenue uncertainty that makes lenders unwilling to commit during the period of maximum capital deployment. A production tax credit reduces the effective cost of production but does nothing for a project that cannot attract equity or construction debt in the first place. Both can be appropriate tools. They are appropriate in different circumstances, and conflating them produces a subsidy that helps the wrong projects at the wrong stage.

A completion guarantee in a stable jurisdiction like Australia does different work than political risk insurance in a fragile jurisdiction. In Australia, the primary development risk is permitting and construction execution. A completion guarantee addresses lender concern that the project will not be built to specification. In a fragile jurisdiction, the primary risk is tenure security, government policy reversal, and counterparty default. Political risk insurance addresses a different problem entirely. Deploying the first instrument in the second context wastes capital and does not improve bankability.

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The Copper Case: What a USD 250 Billion Gap Actually Requires

Copper is the WEF-Columbia paper’s headline example because it illustrates the investment gap most clearly. Despite declared policy priority, copper investment growth decelerated sharply from 14% in 2023 to 5% in 2024. The 30% supply shortfall projected by 2035 was known to policymakers when they were announcing national copper strategies. The strategies have not changed the investment trajectory.

The reason is that copper projects in the development pipeline face bankability constraints that broad policy programmes have not addressed. A copper project in the DRC faces jurisdiction risk, counterparty risk, infrastructure risk, and offtake risk simultaneously. A price floor commitment from a consumer government does not fully address any of those. A Canadian mining company developing a copper project in Zambia needs concessional debt, political risk insurance, and a creditworthy offtake counterparty, and it needs all three at terms that a commercial lender will accept in the senior debt stack. No single programme currently provides that combination at scale.

The more constructive reading of the WEF-Columbia framework is that it creates a diagnostic: for each project, identify which combination of instruments closes the bankability gap at each lifecycle stage. That is more useful than asking whether government capital is available in aggregate. Capital is available. The question is whether it is structured in the form that the specific project needs to make it financeable for private sector capital at each stage.

What the Bankability Framework Means for Miners, Investors, and Governments

For junior miners, the implication is practical. Projects that cannot demonstrate revenue certainty, permitting clarity, and credible execution risk management will not attract commercial debt at reasonable terms regardless of copper price levels. The bankability gap affects projects before the price question arises. Junior miners who structure their projects around the bankability framework, securing offtake agreements with creditworthy counterparties, using completion guarantees to support construction finance, and managing jurisdiction risk through political risk insurance or development finance institution partnerships, will compete more effectively for capital than those who rely on commodity price momentum alone.

For investors, the framework identifies where in the project lifecycle and value chain the structural undersupply of project finance is most acute. Midstream processing, the segment that has the fewest standardised price discovery mechanisms and the most opaque bilateral trading markets, is where the bankability constraint is most severe and where targeted de-risking could have the highest leverage.

For governments, the WEF-Columbia paper’s core argument is a call to match instruments to constraints rather than applying broad programmes uniformly. The copper investment gap will not close because governments commit more money to critical minerals. It will close when government instruments are structured to crowd in private capital at the specific lifecycle stage and jurisdiction type where commercial finance is most absent.

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Kamoa Capital is not licensed and does not know your circumstances. Nothing here is financial, legal or tax advice – seek professional advice and read any PDS before acting. We aim for accuracy but make no guarantees and accept no liability. Views are opinions only and may include forward-looking statements that may not occur.