Kansai operates 21 power plants across 1 country, with a combined installed capacity of 32,181 MW. Its plants with measured data emit a combined 21,883,680 t CO₂/yr.
| Plant | Fuel | Country | MW | t CO₂/yr |
|---|---|---|---|---|
| Ohi | Nuclear | Japan | 4,710 | — |
| Takahama | Nuclear | Japan | 3,392 | — |
| Kainan | Oil | Japan | 2,100 | — |
| Sakaiko | Gas | Japan | 2,000 | — |
| Sakai Port power station | Gas | Japan | 2,000 | 2,974,700 |
| Okutataragi | Hydro | Japan | 1,932 | — |
| Gobo | Oil | Japan | 1,800 | 662,260 |
| Maizuru power station | Coal | Japan | 1,800 | 5,759,600 |
| Nanko | Gas | Japan | 1,800 | 4,283,700 |
| Himeji Daini | Gas | Japan | 1,650 | 4,341,700 |
| Himeji Daiichi | Gas | Japan | 1,442 | 1,891,000 |
| Okawachi | Hydro | Japan | 1,280 | — |
| Okuyoshino | Hydro | Japan | 1,206 | — |
| Ako | Oil | Japan | 1,200 | 662,260 |
| Tanagawa Daini | Oil | Japan | 1,200 | — |
| Aioi | Oil | Japan | 1,125 | 892,440 |
| Mihama | Nuclear | Japan | 826 | — |
| Kisenyama | Hydro | Japan | 466 | — |
| Kansai Sendai power station | Coal | Japan | 112 | 416,020 |
| Fukushima Iwaki Biomass power station | Biomass | Japan | 112 | — |
| Sakai Solar Power Plant | Solar | Japan | 28 | — |
Ownership & capacity: WRI Global Power Plant Database (CC BY 4.0). Measured CO₂ where reported to EPA/EU ETS/Climate TRACE.
