| Facility | Type | Country | t CO₂e/yr |
|---|---|---|---|
| Sao Luis Alumina Refinery and Aluminum Smelter | Aluminium Smelter | Brazil | 6,392,925 |
| Pinjarra Alcoa Alumina Refinery | Aluminium Smelter | Australia | 5,593,000 |
| Wagerup Alumina Refinery | Aluminium Smelter | Australia | 3,804,075 |
| Kwinana Alumina Refinery | Aluminium Smelter | Australia | 2,885,850 |
| San Ciprian alumina refinery | Aluminium Smelter | Spain | 1,860,213 |
| Fjardaal aluminium plant | Aluminium Smelter | Iceland | 759,122 |
| Massena aluminium plant | Aluminium Smelter | United States | 276,268 |
| Evansville aluminium plant | Aluminium Smelter | United States | 227,390 |
Ownership, capacity & CO₂: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).
