Tohoku operates 15 power plants across 1 country, with a combined installed capacity of 15,642 MW. Its plants with measured data emit a combined 31,192,110 t CO₂/yr.
| Plant | Fuel | Country | MW | t CO₂/yr |
|---|---|---|---|---|
| Higashi Niigata | Gas | Japan | 4,810 | 6,455,600 |
| Onagawa | Nuclear | Japan | 2,174 | — |
| Haramachi power station | Coal | Japan | 2,000 | 11,118,700 |
| Akita | Oil | Japan | 1,300 | — |
| Noshiro power station | Coal | Japan | 1,200 | 10,006,400 |
| Higashi-Dori | Nuclear | Japan | 1,100 | — |
| Shin Sendai thermal power station | Other | Japan | 1,046 | 1,555,800 |
| Joetsu power station | Gas | Japan | 572 | 850,790 |
| Sendai Tohoku power station | Other | Japan | 468 | 696,080 |
| Daini Numazawa | Hydro | Japan | 460 | — |
| Hachinohe thermal power station | Other | Japan | 394 | 508,740 |
| Mori | Geothermal | Japan | 50 | — |
| Yamagawa | Geothermal | Japan | 30 | — |
| Matsukawa Geothermal | Geothermal | Japan | 24 | — |
| Onikobe | Geothermal | Japan | 15 | — |
Ownership & capacity: WRI Global Power Plant Database (CC BY 4.0). Measured CO₂ where reported to EPA/EU ETS/Climate TRACE.
