Nippon Steel & Sumitomo Metal operates 4 power plants across 1 country, with a combined installed capacity of 783 MW. Its plants with measured data emit a combined 851,180 t CO₂/yr.
| Plant | Fuel | Country | MW | t CO₂/yr |
|---|---|---|---|---|
| Hirohata Works power station | Coal | Japan | 290 | — |
| NSC Muroran Works power station | Coal | Japan | 195 | — |
| Kamaishi Works power station | Coal | Japan | 149 | — |
| Yawata Works power station | Coal | Japan | 149 | 851,180 |
Ownership & capacity: WRI Global Power Plant Database (CC BY 4.0). Measured CO₂ where reported to EPA/EU ETS/Climate TRACE.
