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US Imposes Copper Tariffs Amidst Growing Demand and Refining Bottleneck

The US faces a refining bottleneck in its copper supply chain. Tariffs aim to boost domestic production, but a phased implementation may not immediately address the challenge.

In this image there is a big tanker with iron ladder and fence at the top.
In this image there is a big tanker with iron ladder and fence at the top.

US Imposes Copper Tariffs Amidst Growing Demand and Refining Bottleneck

The US administration has introduced copper tariffs, citing national security concerns due to foreign dependence. The move comes as the USA imported $10 billion worth of refined copper in 2024, a 5% increase from the previous year, reflecting strong domestic demand that outpaces domestic production and refinery capacity.

The US refining landscape is limited, with only three significant facilities, creating a widening supply gap. The White House has implemented a two-pronged approach: immediate 50% tariffs on semi-finished copper products from August 2025, followed by a phased implementation for refined copper, starting with 15% tariffs in 2027 and increasing to 30% in 2028.

However, the phased implementation may not provide sufficient near-term motivation for investors to build new smelting capacity. Copper is crucial for renewable energy technologies, electric vehicles, and grid infrastructure, with demand projected to increase by 50% by 2035. China dominates global copper production, operating 97% of world capacity and adding 80% of new global capacity since 2019. The USA faces a structural challenge in achieving copper supply chain independence, with the refining bottleneck representing a critical vulnerability. To address this, expanded recycling infrastructure and public-private partnerships are potential solutions.

The US administration's copper tariffs aim to bolster national security by reducing foreign dependence. However, the phased implementation may not immediately address the refining bottleneck, which is a critical vulnerability in the USA copper supply chain. As demand for copper continues to grow, driven by the energy transition, finding innovative solutions to strengthen the US copper sector remains a pressing challenge.

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