Europe’s race to secure critical minerals has largely focused on finding new mines and developing alternative supply sources. However, the continent’s biggest strategic vulnerability may lie further down the value chain — in the smelters, refineries and metal-processing facilities that transform concentrates, recycled materials and industrial residues into essential metals for defence, batteries, renewable energy, power grids, automotive manufacturing and advanced technologies.
Warnings from global commodities trader Trafigura that Europe cannot afford to lose its remaining base-metal smelting capacity highlight a growing industrial challenge. As the European Union attempts to turn its Critical Raw Materials strategy into real industrial capability, the future of existing processing infrastructure is becoming increasingly important.
Europe has established targets for domestic extraction, processing and recycling, but those ambitions depend on physical industrial assets that already exist across the continent. The danger is that Europe invests heavily in securing new mining projects while allowing its own copper, zinc, lead and aluminium processing infrastructure to decline under pressure from high electricity prices, carbon costs, weak refining margins and international competition.
Smelters Are Becoming Strategic Industrial Assets
The importance of Europe’s smelting sector extends far beyond traditional metals production. Copper, zinc, lead and aluminium form the backbone of modern industrial economies, supporting everything from electric vehicles and power transmission networks to buildings, electronics, defence equipment and renewable energy systems.
Smelters also play a crucial role in recovering valuable by-product metals that are rarely mined independently. Materials such as indium, germanium, antimony, tellurium, selenium, silver and gold are often extracted during the processing of copper, zinc and lead ores. These smaller-volume metals have become increasingly important because supply chains are highly concentrated and vulnerable to export restrictions, geopolitical tensions and rising demand from strategic industries.
A mine without domestic processing capacity still leaves a country dependent on foreign refineries. A recycling system without advanced metallurgy simply exports valuable materials in waste streams. A defence industry without secure access to metals such as lead, antimony and germanium remains exposed to external supply disruptions. Europe’s smelters should therefore be viewed not as outdated industrial facilities, but as essential components of future economic and security infrastructure.
European Smelting Capacity Under Pressure
The decline of Europe’s metal-processing sector has become increasingly visible. According to Trafigura, almost one-third of Europe’s base-metal smelting capacity has been closed or reduced over the past decade. The problem is not simply caused by temporary market cycles. European smelters face structural disadvantages.
Energy-intensive operations are particularly vulnerable because electricity can represent up to 60% of production costs. When energy prices rise, grid charges increase, carbon costs expand and international competitors benefit from government support, European producers struggle to remain competitive. Unlike many commodity producers, European smelters cannot easily pass higher costs on to customers because global metal prices are largely determined by international markets. The result is a growing disconnect: Europe considers metals strategically important, yet many of the companies producing those metals face purely commercial market conditions.
Critical Raw Materials Act Requires More Than Mining
The European Union’s Critical Raw Materials Act recognizes the need to strengthen domestic supply chains across mining, processing and recycling. One of the key objectives is increasing Europe’s processing capacity for strategic raw materials. Building new mines alone will not solve supply vulnerabilities. The real industrial bottleneck is often processing.
A copper deposit, lithium project or rare earth mine does not automatically create supply security unless Europe has the ability to refine those materials into products required by manufacturers.
Existing smelters and refineries are therefore strategic infrastructure. They provide:
- established industrial sites,
- skilled metallurgical workers,
- logistics connections,
- customer relationships,
- recycling capabilities,
- and the ability to recover valuable secondary metals.
Replacing these capabilities after they disappear would require years of investment and significantly higher costs.
Zinc Processing Shows the Value of By-Product Recovery
Europe’s zinc industry demonstrates why smelting capacity matters beyond headline production volumes. The European network of Nyrstar facilities, including operations in Belgium, France and the Netherlands, illustrates how modern smelters can provide access to critical secondary metals. Facilities such as the company’s Auby operation in France are not only focused on zinc production but also include indium recovery capabilities.
Indium is essential for advanced applications including:
- transparent conductive coatings,
- flat-panel displays,
- solar technologies,
- semiconductors,
- and high-tech electronics.
The strategic importance of such materials is far greater than their production volumes suggest. However, investment in additional recovery capacity can be difficult because markets for minor metals are often smaller, more volatile and less predictable.
Germanium and Other Critical Metals Need Policy Support
The same challenge applies to germanium, a metal used in fibre optics, infrared technologies, semiconductor applications and advanced electronics. Expanding germanium recovery capabilities at European processing facilities could require investments of around €100 million per site, according to industry estimates.
From a strategic perspective, such investments are relatively small compared with the potential consequences of supply shortages. However, private companies must still consider uncertain prices, limited markets, changing regulations and competition from producers supported by state-backed investment. Without mechanisms such as long-term supply agreements, public-private partnerships or strategic procurement guarantees, projects with clear national importance may struggle to attract capital.
Europe Needs a New Industrial Support Model
A stronger European metals strategy requires more targeted policies. Broad funding programmes and strategic labels alone are unlikely to protect critical processing capacity.
Smelters need a stable investment environment based on:
- competitive electricity prices,
- predictable carbon-cost policies,
- support for industrial electrification,
- incentives for by-product recovery,
- strategic procurement agreements,
- and long-term market certainty.
The debate over price guarantees remains politically sensitive, but the alternative could be far more expensive.
Europe has already experienced the consequences of losing strategic capacity in energy markets. Rebuilding industrial capabilities after a crisis is typically much more expensive than maintaining them before disruption occurs.
Copper Processing Is Central to Europe’s Energy Transition
The importance of domestic processing is particularly clear in the copper sector. Companies such as Aurubis have developed major European capabilities in copper smelting, refining and recycling. Copper production assets across Europe support supply chains for:
- electricity networks,
- renewable energy infrastructure,
- electric vehicles,
- data centres,
- industrial equipment,
- and defence technologies.
Europe’s future grid expansion will require enormous amounts of copper. Supply security is not only about access to copper mines in regions such as Latin America, Africa or the Balkans. It also depends on whether Europe can process concentrates, recycled materials and industrial residues into refined copper products within its own industrial system.
Recycling Depends on Metallurgical Infrastructure
Europe’s ambitions for a circular economy also depend heavily on smelting and refining capacity.
Collecting scrap is only the first step. Strategic recycling requires:
- sorting,
- processing,
- smelting,
- refining,
- certification,
- and reintegration into manufacturing supply chains.
Without advanced metallurgical facilities, Europe risks exporting valuable recyclable materials and importing refined metals from external suppliers. That approach does not create genuine resource independence.
Modernisation Offers a Better Path Than Closure
Recent industrial investments show that existing European assets can still become competitive. The expansion of Boliden’s Odda zinc facility in Norway demonstrates the potential of upgrading established operations. The project increased zinc production capacity from approximately 200,000 tonnes to 350,000 tonnes annually while improving resource efficiency and reducing carbon intensity.
The lesson is clear: Europe does not necessarily need to build an entirely new metals industry. It must modernise and strengthen the infrastructure it already has. Facilities operated by companies involved in zinc, copper, aluminium, nickel and precious-metals processing should be viewed alongside new lithium, graphite and rare earth projects as part of one integrated strategic supply chain.
Defence and Technology Depend on Minor Metals
The defence dimension of Europe’s metals strategy is often underestimated.
Materials such as:
- germanium,
- gallium,
- indium,
- antimony,
- and lead
play important roles in defence systems, electronics, communications, optics and semiconductor technologies. These markets are small compared with copper or aluminium, but their strategic importance is significant. Supply disruptions in these materials can have outsized consequences.
China’s dominance in many critical mineral supply chains demonstrates that control of processing capacity can be as important as control of geological resources. Europe’s challenge is not only finding new mineral sources but ensuring it has the industrial capability to transform those resources into usable products.
A Broader Role for Southeast Europe
The discussion also has implications for Southeast Europe, where countries such as Serbia, Montenegro, Bosnia and Herzegovina, North Macedonia, Bulgaria and Romania are connected to mining, metallurgy, energy infrastructure and industrial supply chains.
The region has potential roles in Europe’s future metals strategy through:
- copper production,
- zinc-lead resources,
- energy-linked industrial projects,
- recycling facilities,
- and transport connections.
The key question is whether Europe will integrate neighbouring economies into a broader processing network or continue relying primarily on external raw-material suppliers.
Investors Increasingly View Smelters as Strategic Assets
For investors, Europe’s smelters represent more than current profitability.
Their strategic value increases during periods of:
- geopolitical instability,
- export restrictions,
- supply disruptions,
- defence mobilisation,
- energy transitions,
- and commodity shortages.
Traditional financial models often fail to capture this option value. Governments must therefore bridge the gap between private investment returns and wider economic security benefits.
The goal should be selective modernisation — supporting facilities that can:
- recover critical by-products,
- expand recycling,
- reduce emissions,
- support defence and clean-energy supply chains,
- and maintain industrial expertise.
Processing Capacity Will Determine Europe’s Mineral Independence
The window for action is narrowing. Developing new mines and building new smelters requires years of permitting, investment, construction and workforce development. Existing facilities already possess the infrastructure, expertise and industrial connections needed to support Europe’s future.
The debate around critical minerals security has moved beyond whether resources exist. The key question is where value will be captured and where industrial resilience will physically exist. Mines are important. International partnerships are important. Recycling is important.
But without smelters and processing facilities, Europe cannot convert mineral resources into secure industrial supply. Trafigura’s warning therefore represents more than a concern from the commodities sector. It is a strategic challenge for European policymakers: protect and modernise the continent’s metal-processing foundation before the furnaces go cold.
