Europe’s critical raw materials policy is undergoing a quiet but decisive transformation. After years focused on exploration licensing, resource mapping, and the promotion of greenfield mining projects, hard execution realities have forced a strategic reset. The projects advancing fastest today—those attracting EU and EIB financing and delivering tangible supply before 2030—are not new mines. They are industrial upgrades.
Across the continent, by-product recovery embedded in existing metallurgical and chemical assets has emerged as the most reliable, lowest-risk route to securing selected critical raw materials within Europe’s industrial perimeter. This shift is not ideological. It is driven by economics, permitting constraints, energy costs, and capital discipline.
The Structural Constraints Europe Cannot Regulate Away
Greenfield mining in Europe faces structural barriers that policy support can soften but not remove. Permitting timelines for new mines still stretch six to ten years once appeals and litigation risks are included. Capital intensity is structurally high, with underground or environmentally constrained projects frequently exceeding €70,000–100,000 per annual tonne of capacity.
At the same time, electricity prices remain elevated compared with global peers, even after normalization, while EU ETS carbon costs approaching €90 per tonne of CO₂ feed directly into both capital and operating expenses. These factors compound over time. Each year of delay functions like an implicit interest-rate shock, inflating capitalized costs and compressing internal rates of return.
As a result, even projects aligned with the Critical Raw Materials Act often struggle to meet investment thresholds without extraordinary and ongoing state intervention.
By-product recovery projects operate under a fundamentally different risk profile. They sit inside existing industrial envelopes, avoid new land-use conflicts, require no new tailings facilities, and leverage chemical streams already present in alumina refineries, zinc smelters, copper smelters, and nickel refineries. Their execution timelines are measured in 24 to 48 months, not decades.
The Metlen Gallium Project as a Reference Case
The clearest example of this new execution logic is the €90 million European Investment Bank financing for Metlen Energy & Metals at its Aluminium of Greece complex. The project expands bauxite refining and gallium recovery at an operating alumina–aluminium site, making it the first gallium production project ever financed by the EIB.
Gallium is a strategic metal essential for power electronics, compound semiconductors, photovoltaics, and defense systems. It is not mined directly; it is recovered as a trace element during bauxite refining. That makes alumina refineries the only scalable primary source of gallium outside countries that already control refining infrastructure.
By embedding gallium recovery into an existing refinery, the Metlen project delivers three strategic outcomes simultaneously. It strengthens European supply security for a critical material. It avoids opening a new mine. And it operates within an asset that already manages energy exposure through integrated gas-fired and renewable power generation, a crucial advantage in an industry where electricity accounts for 30–40 percent of operating costs.
Industry benchmarks suggest that refineries of this scale can support annual gallium production measured in tens of tonnes—a modest volume in absolute terms, but highly material given the small size of the global gallium market and Europe’s current import dependence. From a policy perspective, this delivers an unusually high strategic return per euro invested.
A Repeatable European Model, Not an Outlier
The Metlen project is not an exception. It fits a broader pattern now visible across Europe’s metals and materials base.
In Finland, the expansion of cobalt refining capacity in Kokkola anchored battery-grade cobalt sulfate production inside the EU without opening new mines, redirecting more than €100 million into upgrading existing refining circuits.
At Terrafame’s Sotkamo complex, cumulative investment exceeding €2 billion transformed a nickel operation into an integrated producer of roughly 80,000 tonnes per year of battery chemicals. The decisive value driver was not extraction, but hydrometallurgical processing embedded in an existing industrial ecosystem.
In Belgium, Umicore’s Hoboken complex recovers cobalt, nickel, copper, and precious metals from complex feedstocks and residues, operating as a strategic secondary raw materials hub where processing control, not ore ownership, defines value.
In Spain, upgrades at Atlantic Copper’s Huelva smelter apply the same logic to copper and associated strategic metals, expanding recovery within an existing footprint and reducing import dependence.
Across zinc refining in northern Europe, targeted upgrades have enabled recovery of indium and germanium, both critical for electronics and photovoltaics, without any new mining development.
Different metals, different countries—but the same execution model: existing asset, incremental CAPEX, strategic by-product recovery, and rapid time to supply.
Why Policy Banks Now Prefer By-Product Recovery
From the perspective of the European Investment Bank and national development banks, by-product recovery projects align more cleanly with policy mandates than greenfield mining.
Execution risk is lower because assets are already operating, staffed, permitted, and connected to grids and logistics. Climate and biodiversity risk is materially reduced, as no new land disturbance is required. Most importantly, time-to-impact fits political and industrial planning cycles, with supply arriving before 2030 rather than well into the next decade.
This is why projects involving gallium, cobalt refining, battery chemicals, recycling, and specialty metals are increasingly treated as strategic infrastructure, eligible for long-tenor public financing. In macro terms, they convert Europe’s legacy industrial base into a critical raw materials platform at a fraction of the cost and risk of new mines.
What This Means for the Critical Raw Materials Act
While the Critical Raw Materials Act sets targets for extraction, processing, and recycling, by-product recovery contributes most directly to the processing pillar, where Europe is weakest and global supply chains are most concentrated. Prioritizing this model directly addresses Europe’s most acute vulnerability.
The policy implications are clear. Strategic project designation should explicitly favor by-product recovery at existing sites. State aid frameworks should continue to prioritize incremental industrial upgrades over greenfield risk. Permitting acceleration should focus on process modifications rather than land-use expansion. And policy banks should continue treating these investments as system-critical infrastructure.
For EU member states, the lesson is straightforward. Countries hosting alumina refineries, zinc smelters, copper smelters, or battery-materials plants already possess critical raw materials optionality—even without new mines. The fastest route to strategic relevance is industrial upgrading, not exploration licensing.
For industrial investors and downstream manufacturers, by-product recovery offers lower risk, shorter payback periods, and strong policy alignment. Returns are driven by structural demand and supply security, not commodity speculation. This is why long-term offtake agreements increasingly accompany such projects.
The Strategic Conclusion Europe Is Already Acting On
Europe’s critical raw materials challenge will not be solved by mining alone, nor by recycling alone in the 2020s. It will be solved by industrial leverage—extracting more strategic value from assets Europe already controls.
By-product recovery is not a compromise solution. Under current macro, regulatory, and energy conditions, it is the only segment of Europe’s raw materials strategy that consistently delivers speed, scale, and certainty. The EIB’s gallium financing for Metlen, alongside similar decisions across cobalt, nickel, copper, zinc, and specialty metals, confirms that this shift is already underway.
The remaining question is not whether Europe should pursue this model, but how quickly it can be scaled across the continent’s remaining industrial base before strategic windows close.
