11 petrochemical plants in South Korea, ranked by listed capacity and estimated CO₂ — from open data.
| # | Facility | t of ethylene | t CO₂e/yr |
|---|---|---|---|
| 1 | Yeochon NCC, Yeochun | 2,285,000 | 3,098,945 |
| 2 | LG Petrochemical Yeosu, Yeochun | — | 2,712,425 |
| 3 | Hanwha TotalEnergies Petrochemical, Daesan | 1,525,000 | 2,068,224 |
| 4 | LG Petrochemical Daesan, Daesan | 1,300,000 | 1,763,076 |
| 5 | Lotte Petrochemical Yeosu, Yeochun | 1,230,000 | 1,668,141 |
| 6 | Lotte Petrochemical Daesan, Daesan | — | 1,491,834 |
| 7 | KPIC Onsan Plant, Ulsan | 900,000 | 1,220,591 |
| 8 | SK geo centric, Ulsan | 860,000 | 1,166,343 |
| 9 | Hyundai Chemical, Daesan | 850,000 | 1,152,780 |
| 10 | GS Caltex Yeosu, Yeochun | 750,000 | 1,017,159 |
| 11 | S-Oil Ulsan, Ulsan | — | — |
Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).
