| # | Facility | Type | Country | t CO₂e/yr |
|---|---|---|---|---|
| 1 | Fjardaal aluminium plant | Aluminium Smelter | Iceland | 759,122 |
| 2 | Grundartangi aluminium plant | Aluminium Smelter | Iceland | 692,077 |
| 3 | Norðurál Grundartangi ehf. | Metals Plant | Iceland | 469,201 |
| 4 | Straumsvik aluminium plant | Aluminium Smelter | Iceland | 432,548 |
| 5 | Rio Tinto á Íslandi hf. | Metals Plant | Iceland | 292,395 |
| 6 | Alcoa Fjarðaál | Metals Plant | Iceland | 536 |
Method: ranked from open data — capacity & CO₂e from Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0). Sorted server-side; click any column to re-sort. Company-level data only.
