Climate Change Data

Century Aluminum Company

Climate Impact & Sustainability Data (2021, 2022)

Reporting Period: 2021

Environmental Metrics

Renewable Energy Share:100% at Norðurál; increasing percentage at U.S. smelters
Total Energy Consumption:12.5 TWh
Water Consumption:1,038,720 m³

ESG Focus Areas

  • Climate Change
  • Safety
  • Employee Well-being
  • Diversity, Equality, and Inclusion
  • Responsible Aluminum Production
  • Governance

Environmental Achievements

  • Produced and sold record volumes of low-carbon aluminum product Natur-Al™ with direct CO₂ levels below two tonnes CO₂ per tonne of aluminum.
  • Norðurál smelter sources 100% of its energy from renewable resources.
  • Implemented various energy efficiency improvements at U.S. smelters (e.g., workflow analysis, improved cleaning processes).
  • Partnership with Qair to explore CO₂ capture for eFuel production.
  • Increased scrap recycling in billet casthouses.

Social Achievements

  • Established Incident Review Board (IRB) to review HSE incidents.
  • Conducted Safety Leadership Training at all U.S. plants.
  • Implemented a new 5-5-3 workday schedule in Sebree, improving employee satisfaction.
  • Hosted 12 free COVID-19 vaccination clinics in the U.S.
  • Implemented heat stress programs at U.S. smelters.

Governance Achievements

  • Published Human Rights Policy.
  • Introduced training on Human Rights Policy.
  • Appointed Ms. Jennifer Bush to the Board of Directors.
  • All salaried employees received regular, mandatory training on the Code of Ethics.

Climate Goals & Targets

Medium-term Goals:
  • Norðurál targets 40% reduction in GHG emissions and waste by 2030 (2015 baseline).
Short-term Goals:
  • Further reduce carbon footprint per tonne of aluminum.
  • Achieve ISO 14001 certification for U.S. facilities.

Environmental Challenges

  • COVID-19 interruptions.
  • Securing competitively priced and low-carbon electricity for U.S. operations.
  • Managing spent pot lining (SPL) as hazardous waste.
Mitigation Strategies
  • Adapted strategies to limit COVID-19 cases among employees.
  • Actively pursuing opportunities to add renewable power sources and exploring direct purchases or virtual PPAs.
  • Recycling and reusing SPL in accordance with applicable laws and internal practices.

Supply Chain Management

Responsible Procurement
  • Code of Ethics for Suppliers and Business Partners

Climate-Related Risks & Opportunities

Opportunities
  • Increased demand for low-carbon aluminum.

Reporting Standards

Frameworks Used: SASB Metals & Mining Standards, GRI Standards

Certifications: ISO 14001 (Norðurál), ISO 45001 (Norðurál), Aluminum Stewardship Initiative (ASI) Performance Standard (Norðurál)

Sustainable Products & Innovation

  • Natur-Al™ (low-carbon aluminum)
  • Natur-Al™ ZERO (carbon-neutral aluminum)

Reporting Period: 2022

Environmental Metrics

Total Carbon Emissions:Not disclosed
Scope 1 Emissions:Not disclosed
Scope 2 Emissions:Not disclosed
Scope 3 Emissions:Not disclosed
Renewable Energy Share:100% at Norðurál, increasing share at US plants
Total Energy Consumption:11,925,108 MWh/year
Water Consumption:1,382,901 m3/year
Waste Generated:Not disclosed
Carbon Intensity:Not disclosed

ESG Focus Areas

  • Climate Change
  • Safety
  • Health
  • Well-being
  • Diversity
  • Equality
  • Inclusion
  • Human Rights
  • Governance
  • Environmental Stewardship

Environmental Achievements

  • Norðurál was named Iceland’s Environmental Company of the Year.
  • Mt. Holly smelter restart project completed.
  • Billet casthouse project in Iceland ongoing (using 100% renewable energy).
  • Partnership with Ocean GeoLoop for carbon capture at Norðurál.
  • Increased scrap recycling.
  • Working towards ISO and ASI certifications at US plants.

Social Achievements

  • Norðurál received the Gender Equality Award for the second consecutive year.
  • Implemented heat stress safety and monitoring programs at US smelters.
  • Initiatives to attract and retain a more diverse workforce.
  • Various training and education programs for employees.
  • Health screenings and well-being services for employees.

Governance Achievements

  • Strong corporate governance practices.
  • Code of Ethics and Anti-Corruption Policy implemented.
  • Regular training on Code of Ethics for all salaried employees.
  • Independent third-party reporting system (Ethical Advocate) for concerns.

Climate Goals & Targets

Long-term Goals:
  • Achieve carbon-neutral aluminum production by 2050.
Medium-term Goals:
  • Reduce carbon emissions from aluminum production by 30% by 2030.
Short-term Goals:
  • Not disclosed

Environmental Challenges

  • Unprecedented increases in energy prices in the US leading to temporary idling of Hawesville smelter.
  • Managing waste materials from aluminum production.
  • Balancing the need for reliable energy with the goal of reducing carbon emissions.
Mitigation Strategies
  • Exploring options for the future of Hawesville operations.
  • Implementing ambitious recycling programs.
  • Investing in renewable energy sources and exploring carbon capture technologies.
  • Improving operational efficiency to reduce emissions.

Supply Chain Management

Supplier Audits: Not disclosed

Responsible Procurement
  • Code of Ethics for Suppliers and Business Partners

Climate-Related Risks & Opportunities

Physical Risks
  • Not disclosed
Transition Risks
  • Changes in energy prices and availability.
Opportunities
  • Development of energy-efficient products and processes; increased demand for low-carbon aluminum.

Reporting Standards

Frameworks Used: GRI, Aluminium Stewardship Initiative (ASI)

Certifications: ISO 9001 (Norðurál), ISO 14001 (Norðurál), ISO 45001 (Norðurál), ASI (Norðurál and Century Aluminum headquarters)

Third-party Assurance: Not disclosed

UN Sustainable Development Goals

  • Not disclosed

Not disclosed

Sustainable Products & Innovation

  • Natur-Al™ (low-carbon aluminum)

Awards & Recognition

  • Iceland’s Environmental Company of the Year (Norðurál)
  • Gender Equality Award (Norðurál)