Company: CENX
Filing Date: 2025-03-03
Form Type: 10-K
Source: 0000949157-25-000024
Chunk: 1

Company: CENTURY ALUMINUM CO
Filing Date: 2025-03-03
Form: 10-K
Item: Item 1
Chunk 1
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moditizing our product line will enable us to deliver profitable long-term growth and differentiate us from overseas competitors with longer supply lines into the markets we serve.

We conduct our business with a focus on sustainability, including the health and safety of our people and the communities in which we operate. Through our Natur-AlTM product line, we are able to provide our customers with world-class, low-carbon aluminum products that demonstrate our commitment to sustainability.

We operate our business through one reportable segment, primary aluminum. Additional information about our segment reporting and certain geographic information is available in Note 19. Business Segments to the consolidated financial statements included herein.

Century Aluminum Company is a Delaware corporation with our principal executive offices located at One South Wacker Drive, Suite 1000, Chicago, Illinois 60606.

Primary Aluminum Facilities

Overview of Facilities

We operate three U.S. aluminum smelters, in Hawesville, Kentucky ("Hawesville"), currently curtailed, Robards, Kentucky ("Sebree") and Goose Creek, South Carolina ("Mt. Holly"), and one aluminum smelter in Grundartangi, Iceland ("Grundartangi"). 

1

Our primary aluminum smelters and their respective primary aluminum capacities are shown in the following table:

FacilityOwnership PercentageOperationalAnnual Production Capacity (tpy) (1)Actual 2024   Annual Production (tpy)Grundartangi, Iceland100%1998320,000309,000Hawesville, Kentucky, USA100%1970250,000—Sebree, Kentucky, USA 100%1973220,000216,000Mt. Holly, South Carolina, USA100%1980230,000165,0001,020,000690,000

(1)The tonnes per year (tpy) figures in this column reflect an estimate of the facility's total production capacity based on plant design, historical operating results and operating efficiencies and does not necessarily represent each facility’s maximum production capability.

Grundartangi

The Grundartangi facility, located in Grundartangi, Iceland, is a primary aluminum smelter owned and operated by our wholly-owned subsidiary, Nordural Grundartangi ehf. Grundartangi is our most modern facility with a current production capacity of approximately 320,000 tonnes. Grundartangi produces standard-grade aluminum ingot and a value-added product called primary foundry alloy, which is sold at a premium to standard-grade aluminum.

In 2024, Century completed construction of a new bil