| # | Facility | Type | Country | t CO₂e/yr |
|---|---|---|---|---|
| 1 | BlueScope New Zealand Steel Glenbrook | Steel Plant | New Zealand | 814,187 |
| 2 | Tiwai Point aluminium plant | Aluminium Smelter | New Zealand | 707,542 |
| 3 | Motunui Methanol Complex | Chemical Plant | New Zealand | 500,625 |
| 4 | Portland Cement Plant | Cement Plant | New Zealand | 371,744 |
| 5 | Oji Fibre Solutions (NZ) Ltd - Kinleith Mill | Pulp & Paper Mill | New Zealand | 143,212 |
| 6 | Oji Fibre Solutions (NZ) Ltd - Tasman Mill | Pulp & Paper Mill | New Zealand | 134,825 |
| 7 | WPI Winstone Pulp International Ltd - Karioi Pulpmill Pulp Mill | Pulp & Paper Mill | New Zealand | 118,893 |
Method: ranked from open data — capacity and CO₂e from Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0). Sorted server-side; company-level data only.
