46 gas power plants in South Korea, totalling 38,423 MW of installed capacity — ranked by size, from open data.
| # | Plant | Region | MW |
|---|---|---|---|
| 1 | Incheon | Incheon | 3,052 |
| 2 | KOMIPO Incheon | Incheon | 1,960 |
| 3 | Dongducheon | Gyeonggi-do | 1,900 |
| 4 | Boryeong (CC) | Chungcheongnam-do | 1,800 |
| 5 | Busan (pusan) | Busan | 1,800 |
| 6 | Seoincheon | Incheon | 1,800 |
| 7 | Shinincheon | Incheon | 1,800 |
| 8 | Pocheon | Gyeonggi-do | 1,560 |
| 9 | Bugok | Chungcheongnam-do | 1,503 |
| 10 | Yulchon | Jeollanam-do | 1,475 |
| 11 | Pyeongtaek | Gyeonggi-do | 1,348 |
| 12 | Ulsan GPS power station | Ulsan | 1,122 |
| 13 | Kwangyang | Jeollanam-do | 1,071 |
| 14 | Bundang | Gyeonggi-do | 922 |
| 15 | Dangjin Hyundai Green Power power plant | Chungcheongnam-do | 920 |
| 16 | Ilsan | Gyeonggi-do | 900 |
| 17 | Yeongwol | Gangwon-do | 848 |
| 18 | Ansan Project | Gyeonggi-do | 834 |
| 19 | Gwangyang Works | Jeollanam-do | 830 |
| 20 | Oseong | Gyeonggi-do | 830 |
| 21 | Dongtan CHP power station | Gyeonggi-do | 800 |
| 22 | Gunsan | Jeollabuk-do | 719 |
| 23 | Shinsejong power station | Daejeon | 630 |
| 24 | Smart Energy Center (Icheon) power station | Gyeonggi-do | 570 |
| 25 | Sejong City | Chungcheongnam-do | 550 |
| 26 | Paju | Gyeonggi-do | 515 |
| 27 | Hwasung KDHC | Chungcheongnam-do | 510 |
| 28 | Gwangyang POSCO | Jeollanam-do | 500 |
| 29 | Gimpo CHP power station | Gyeonggi-do | 500 |
| 30 | Anyang CHP | Gyeonggi-do | 493 |
| 31 | Bucheon Power | Gyeonggi-do | 473 |
| 32 | Chuncheon CHP power station | Gangwon-do | 470 |
| 33 | Andong power station | Gyeongsangbuk-do | 417 |
| 34 | Daegu Innovation City | Gyeongsangbuk-do | 415 |
| 35 | Daegu CHP power station | Gyeongsangbuk-do | 415 |
| 36 | Wirye CHP power station | Gyeonggi-do | 412 |
| 37 | Pohang Works | Gyeongsangbuk-do | 345 |
| 38 | POSCO OFFGAS | Jeollanam-do | 284 |
| 39 | Hannan Daegu CHP power station | Daegu | 270 |
| 40 | Song-do | Incheon | 211 |
| 41 | FINEX | Gyeongsangbuk-do | 146 |
| 42 | Daesan Works | Chungcheongnam-do | 131 |
| 43 | Suwan Energy | Gwangju | 118 |
| 44 | Asan Baebang CHP | Chungcheongnam-do | 114 |
| 45 | Yoesu Lotte | Jeollanam-do | 80 |
| 46 | Ansan Urban Development CHP power station | Gyeonggi-do | 60 |
WRI Global Power Plant Database (CC BY 4.0).
