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Citing Benefits of 232 Tariffs, Century Aluminum Announces Restart to Bring Mt. Holly SC Plant to Full Production, Increasing U.S. Aluminum Production by 10%

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Century Aluminum (NASDAQ:CENX) has announced plans to restart over 50,000MT of idled production at its Mt. Holly, South Carolina smelter, representing a 10% increase in U.S. domestic aluminum production. The company will invest $50 million in the initiative, creating over 100 new jobs with an average salary of $100,000.

The facility, currently operating at 75% capacity, will reach full production by June 30, 2026. This restart is directly attributed to the Section 232 tariffs on aluminum imports, which were recently increased to 50%. The project's implementation depends on finalizing agreements with Santee Cooper for power supply through 2031 and confirming economic incentives from local authorities.

Century Aluminum (NASDAQ:CENX) ha annunciato l'intenzione di riavviare oltre 50.000 tonnellate di produzione inattiva presso la sua fonderia di Mt. Holly, South Carolina, rappresentando un aumento del 10% nella produzione domestica di alluminio negli Stati Uniti. L'azienda investirà 50 milioni di dollari in questo progetto, creando oltre 100 nuovi posti di lavoro con uno stipendio medio di 100.000 dollari.

Lo stabilimento, attualmente operativo al 75% della capacità, raggiungerà la piena produzione entro il 30 giugno 2026. Questo riavvio è direttamente collegato ai dazi della Sezione 232 sulle importazioni di alluminio, recentemente aumentati al 50%. L'attuazione del progetto dipende dalla finalizzazione degli accordi con Santee Cooper per la fornitura di energia fino al 2031 e dalla conferma degli incentivi economici da parte delle autorità locali.

Century Aluminum (NASDAQ:CENX) ha anunciado planes para reactivar más de 50,000 toneladas de producción inactiva en su fundición de Mt. Holly, Carolina del Sur, lo que representa un aumento del 10% en la producción nacional de aluminio en EE.UU.. La compañía invertirá 50 millones de dólares en esta iniciativa, generando más de 100 nuevos empleos con un salario promedio de 100,000 dólares.

La planta, que actualmente opera al 75% de su capacidad, alcanzará la producción completa para el 30 de junio de 2026. Esta reactivación se debe directamente a los aranceles de la Sección 232 sobre las importaciones de aluminio, que recientemente se incrementaron al 50%. La implementación del proyecto depende de finalizar acuerdos con Santee Cooper para el suministro eléctrico hasta 2031 y de confirmar incentivos económicos por parte de las autoridades locales.

Century Aluminum (NASDAQ:CENX)는 사우스캐롤라이나주 Mt. Holly 제련소에서 가동 중단된 50,000MT 이상의 생산을 재개할 계획을 발표했으며, 이는 미국 국내 알루미늄 생산량의 10% 증가에 해당합니다. 회사는 이 프로젝트에 5천만 달러를 투자하며, 평균 연봉 10만 달러의 100개 이상의 신규 일자리를 창출할 예정입니다.

현재 75% 용량으로 운영 중인 이 시설은 2026년 6월 30일까지 완전 가동에 이를 예정입니다. 이번 재가동은 최근 50%로 인상된 알루미늄 수입에 대한 232조 관세 때문입니다. 이 프로젝트의 실행은 2031년까지 전력 공급을 위한 Santee Cooper와의 최종 계약 체결 및 지방 당국의 경제적 인센티브 확인에 달려 있습니다.

Century Aluminum (NASDAQ:CENX) a annoncé son projet de relancer plus de 50 000 tonnes de production à l'arrêt dans sa fonderie de Mt. Holly, en Caroline du Sud, ce qui représente une augmentation de 10 % de la production nationale d'aluminium aux États-Unis. L'entreprise investira 50 millions de dollars dans cette initiative, créant plus de 100 nouveaux emplois avec un salaire moyen de 100 000 dollars.

L'installation, actuellement exploitée à 75 % de sa capacité, atteindra sa pleine production d'ici le 30 juin 2026. Cette relance est directement liée aux droits de douane de la Section 232 sur les importations d'aluminium, récemment portés à 50 %. La mise en œuvre du projet dépend de la finalisation des accords avec Santee Cooper pour l'approvisionnement en électricité jusqu'en 2031 et de la confirmation des incitations économiques par les autorités locales.

Century Aluminum (NASDAQ:CENX) hat Pläne angekündigt, über 50.000 MT stillgelegte Produktion in seinem Werk in Mt. Holly, South Carolina, wieder anzufahren, was eine 10%ige Steigerung der inländischen Aluminiumproduktion in den USA darstellt. Das Unternehmen wird 50 Millionen US-Dollar in dieses Vorhaben investieren und über 100 neue Arbeitsplätze mit einem durchschnittlichen Gehalt von 100.000 US-Dollar schaffen.

Die Anlage, die derzeit mit 75 % Kapazität arbeitet, wird bis zum 30. Juni 2026 die volle Produktion erreichen. Dieser Neustart ist direkt auf die Section-232-Zölle auf Aluminiumimporte zurückzuführen, die kürzlich auf 50 % erhöht wurden. Die Umsetzung des Projekts hängt vom Abschluss von Vereinbarungen mit Santee Cooper zur Stromversorgung bis 2031 und der Bestätigung wirtschaftlicher Anreize durch lokale Behörden ab.

Positive
  • Investment of $50 million to restart idled production capacity
  • Creation of 100+ new high-paying jobs with average salary of $100,000
  • 10% boost to U.S. domestic aluminum production capacity
  • Economic impact of $890 million annually in South Carolina at full capacity
  • Power supply agreement extension through 2031 with Santee Cooper
Negative
  • Full restart contingent on finalizing agreements and economic incentives
  • Significant dependence on continuation of protective tariffs for operational viability
  • Extended timeline to reach full production (June 2026)

Insights

Century's Mt. Holly restart adds 10% to US aluminum capacity, driven by 50% tariffs - major win for domestic production amid protective trade policies.

Century Aluminum's decision to restart idled capacity at its Mt. Holly smelter represents a significant shift in the US aluminum landscape. The company will invest $50 million to bring the facility to full production capacity for the first time since 2015, adding over 50,000 metric tons of domestic aluminum production—equivalent to almost 10% of current US primary aluminum output.

The restart is directly attributed to the Section 232 tariffs, specifically the recent increase to 50% on aluminum imports without exemptions. This protective trade policy creates a price environment where previously uneconomical domestic production becomes viable again. For context, primary aluminum smelting is extremely energy-intensive and historically struggled to compete with production from regions with lower electricity costs or government subsidies.

The economics are compelling beyond the production metrics. The facility will create over 100 new jobs with an average salary of $100,000—significantly above typical manufacturing wages. According to cited research, at full capacity, the Mt. Holly operation will generate an $890 million annual economic impact in South Carolina.

Critically, the announcement highlights the power supply agreement with Santee Cooper through 2031. Electricity typically represents 30-40% of aluminum production costs, so securing favorable long-term power rates is essential for sustainable operations. The planned June 2026 timeline for reaching full capacity reflects the technical complexity of restarting potlines, which cannot simply be switched on but require significant preparation and ramp-up periods.

This development signals a meaningful reversal in the decades-long decline of US primary aluminum capacity, which had fallen by over 75% since 2000 due to global competition. The restart demonstrates how trade policy can effectively reshape industrial production economics, though the long-term sustainability remains contingent on continuation of these protective measures.

CHICAGO, Aug. 07, 2025 (GLOBE NEWSWIRE) -- Century Aluminum Company (NASDAQ:CENX) has announced plans to restart over 50,000MT of idled production at its Mt. Holly, SC smelter. Century will invest approximately $50 million in the effort, create over 100 new jobs and boost U.S. domestic aluminum production by almost 10 percent. The restart will enable the plant, currently operating at 75 percent capacity, to achieve full production by June 30, 2026, a level not seen since 2015.

The restart comes as a direct result of President Trump’s application of Section 232 tariffs for primary aluminum, most recently increasing the tariffs to 50% on aluminum imports without exceptions or exemptions.

“Today’s announcement was made possible by President Trump’s commitment to onshoring manufacturing of critical metals, protecting America’s national security, and to protecting American workers in our industry whose expertise is needed to ensure future generations do not have to rely on foreign supplies to build our communities and grow our economy,” said CEO Jesse Gary. “Our team stands ready to continue leading the resurgence of domestic primary aluminum, starting with bringing our Mt. Holly smelter back to full production.”

At full capacity Mt. Holly smelter has an economic impact of over $890 million annually in the state of South Carolina, driven in part by the average wage of $100,000 for jobs directly supported by Century Aluminum, according to University of South Carolina study released in 2024.

The restart was made possible with the help of South Carolina Public Service Authority (Santee Cooper), Mt. Holly’s power supplier. The parties worked cooperatively to reach an agreement in principle to extend the current contract through 2031 to purchase the additional power necessary for the restart. The final details of the restart will be subject to a definitive agreement with Santee Cooper, along with confirmation of economic incentives provided by Berkeley County and the state of South Carolina.

About Century Aluminum

Century Aluminum is an integrated producer of bauxite, alumina, and primary aluminum products. Century is the largest producer of primary aluminum in the United States, and operates production facilities in Iceland, the Netherlands and Jamaica. Visit www.centuryaluminum.com for more information.

Cautionary Statement

This press release and statements made by Century Aluminum Company management on the quarterly conference call contain "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995, which are subject to the "safe harbor" created by section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). Forward-looking statements are statements about future events and are based on our current expectations. These forward-looking statements may be identified by the words "believe," "expect," "hope," "target," "anticipate," "intend," "plan," "seek," "estimate," "potential," "project," "scheduled," "forecast" or words of similar meaning, or future or conditional verbs such as "will," "would," "should," "could," "might," or "may."

Where we express an expectation or belief as to future events or results, such expectation or belief is expressed in good faith and believed to have a reasonable basis. However, our forward-looking statements are based on current expectations and assumptions that are subject to risks and uncertainties which may cause actual results to differ materially from future results expressed, projected, or implied by those forward-looking statements. Important factors that could cause actual results and events to differ from those described in such forward-looking statements can be found in the risk factors and forward-looking statements cautionary language contained in our Annual Report on Form 10-K, our Quarterly Reports on Form 10-Q and in other filings made with the Securities and Exchange Commission. Although we have attempted to identify those material factors that could cause actual results or events to differ from those described in such forward-looking statements, there may be other factors that could cause actual results or events to differ from those anticipated, estimated or intended. Many of these factors are beyond our ability to control or predict. Given these uncertainties, the reader is cautioned not to place undue reliance on our forward-looking statements. We undertake no obligation to update or revise publicly any forward-looking statements, whether as a result of new information, future events, or otherwise.

INVESTOR CONTACT
Ryan Crawford
investorrelations@centuryaluminum.com
(312) 696-3132

MEDIA CONTACT
Tawn Earnest
614-698-6351
communications@centuryaluminum.com 


FAQ

What is Century Aluminum's plan for the Mt. Holly SC plant restart in 2025?

Century Aluminum plans to invest $50 million to restart over 50,000MT of idled production, bringing the plant to full capacity by June 2026 and creating over 100 new jobs.

How will CENX's Mt. Holly restart impact U.S. aluminum production?

The restart will increase U.S. domestic aluminum production by 10% and generate an economic impact of $890 million annually in South Carolina.

What is the average salary for new jobs at Century Aluminum's Mt. Holly facility?

The average wage for jobs directly supported by Century Aluminum at Mt. Holly is $100,000, according to a 2024 University of South Carolina study.

When will Century Aluminum's Mt. Holly plant reach full production capacity?

The Mt. Holly plant is expected to reach full production capacity by June 30, 2026, a level not seen since 2015.

How do aluminum tariffs affect Century Aluminum's Mt. Holly restart?

The restart is directly enabled by Section 232 tariffs, which were increased to 50% on aluminum imports without exceptions or exemptions.
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