| Plant | Fuel | Country | MW | t CO₂/yr |
|---|---|---|---|---|
| Shin Toyone | Hydro | Japan | 1,125 | — |
| Okukiyotsu | Hydro | Japan | 1,000 | — |
| Shimogo | Hydro | Japan | 1,000 | — |
| Numappara | Hydro | Japan | 675 | — |
| Okutadami | Hydro | Japan | 560 | — |
| Tagokura | Hydro | Japan | 395 | — |
| Ikehara | Hydro | Japan | 350 | — |
| Sakuma | Hydro | Japan | 350 | — |
| Tedorigawa Daiichi | Hydro | Japan | 250 | — |
| Nagano | Hydro | Japan | 220 | — |
| Miboro | Hydro | Japan | 215 | — |
| Otori | Hydro | Japan | 182 | — |
Ownership & capacity: WRI Global Power Plant Database (CC BY 4.0). Measured CO₂ where reported to EPA/EU ETS/Climate TRACE.
