9 oil refineries in South Korea, ranked by reported capacity and CO₂ — from open data.
| # | Facility | BBL per day | t CO₂e/yr |
|---|---|---|---|
| 1 | SK Ulsan Refinery | 781,000 | 7,295,436 |
| 2 | GS-Caltex Yeosu Refinery | 744,000 | 8,882,869 |
| 3 | S-Oil Onsan Refinery | 519,000 | 6,196,517 |
| 4 | Hyundai Oilbank Daesan Refinery | 484,000 | 5,778,641 |
| 5 | SK Incheon Oil Refinery | 256,000 | 1,451,565 |
| 6 | Hanwha Total Condensate Splitter | 167,000 | 946,920 |
| 7 | Hyundai Lotte Daesan Condensate Splitter | 158,000 | 895,888 |
| 8 | SK Incheon Condensate Splitter | 93,000 | 527,326 |
| 9 | S-Oil Onsan Condensate Splitter | 83,000 | 470,625 |
Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).
