6 oil refineries in United Kingdom, ranked by reported capacity and CO₂ — from open data.
| # | Facility | BBL per day | t CO₂e/yr |
|---|---|---|---|
| 1 | Valero Pembroke Refinery | 270,000 | 2,477,577 |
| 2 | Esso Fawley Southampton Refinery | 262,000 | 2,404,168 |
| 3 | Phillips 66 Humber Refinery | 221,000 | 2,607,645 |
| 4 | Essar Stanlow Refinery | 201,000 | 1,844,419 |
| 5 | INEOS Grangemouth Refinery | 150,000 | 1,376,432 |
| 6 | Prax Group Lindsey Oil Refinery | 113,000 | 1,036,912 |
Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).
