Century Aluminum to inaugurate Mt. Holly expansion, lifting US primary aluminium output by 10%

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Century Aluminum will officially mark the expansion of its Mt. Holly aluminium smelter in South Carolina on July 27, a project that is expected to increase total US primary aluminium production by around 10 per cent and expand the plant's workforce to more than 600 employees.

The ribbon-cutting ceremony will be attended by US Secretary of Commerce Howard Lutnick, US Senator Tim Scott, South Carolina Governor Henry McMaster, and Century Aluminum President and CEO Jesse Gary.

According to the company, the expansion has been supported by the Section 232 aluminium tariffs introduced by the Trump administration, which are intended to strengthen domestic aluminium production on national security grounds.

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Company executives and government officials are expected to address the event, which will also include media interactions following the ceremony.

Century Aluminum is the largest primary aluminium producer in the United States and the second largest in Iceland. Their aluminium is supplied to industries including defence, infrastructure, transportation, aerospace and consumer goods. The inauguration event is scheduled for July 27, 2026, at the Century Aluminum Mt. Holly Smelter in Goose Creek, South Carolina.