6 steel plants in United Kingdom, ranked by listed capacity and estimated CO₂ — from open data.
| # | Facility | t of steel | t CO₂e/yr |
|---|---|---|---|
| 1 | British Steel Scunthorpe plant | 3,201,000 | 2,460,320 |
| 2 | Tata Steel Port Talbot steel plant | 2,486,339 | 2,871,723 |
| 3 | GFG Liberty Steel Newport plant | — | 132,478 |
| 4 | GFG Liberty Steel Rotherham plant | 1,220,000 | 60,877 |
| 5 | Se.ven GI Cardiff plant | — | 38,019 |
| 6 | Marcegaglia Sheffield steel plant | — | 53,597 |
Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).
