| # | Plant | Region | MW |
|---|---|---|---|
| 1 | KOBE STEEL KAKOGAWA | Hyogo | 594 |
| 2 | Shimonoseki power station | Yamaguchi | 575 |
| 3 | Karita power station | Fukuoka | 435 |
| 4 | JFE KEIHIN WORKS | Kanagawa | 270 |
| 5 | OSAKA REFINERY POWER | Osaka | 169 |
| 6 | OITA REFINERY | Oita | 164 |
| 7 | Marusumi Paper Ohe Mill power station | Ehime | 132 |
| 8 | MITSUI CHEMICALS OMUTA | Fukuoka | 122 |
| 9 | NPI SHIRAOI MILL | Hokkaido | 119 |
| 10 | SENDAI REFINERY | Miyagi | 119 |
| 11 | MITSUI CHEMICALS OSAKA | Osaka | 108 |
| 12 | Nihonkaisui Ako power station | Hyogo | 55 |
| 13 | Shinkoto power station | Tokyo | 50 |
| 14 | Nebio Kakuda power station | Miyagi | 43 |
WRI Global Power Plant Database (CC BY 4.0).