Southwestern Public Service Co operates 8 power plants across 1 country, with a combined installed capacity of 4,744 MW. Its plants with measured data emit a combined 8,128,068 t CO₂/yr.
| Plant | Fuel | Country | MW | t CO₂/yr |
|---|---|---|---|---|
| Tolk | Coal | United States of America | 1,136 | 2,831,312 |
| Harrington | Coal | United States of America | 1,080 | 3,465,957 |
| Jones | Gas | United States of America | 860 | 1,075,623 |
| Cunningham | Gas | United States of America | 519 | — |
| Nichols | Gas | United States of America | 475 | 740,727 |
| Plant X | Gas | United States of America | 434 | — |
| Maddox | Gas | United States of America | 212 | — |
| Quay County | Oil | United States of America | 27 | 14,449 |
Ownership & capacity: WRI Global Power Plant Database (CC BY 4.0). Measured CO₂ where reported to EPA/EU ETS/Climate TRACE.
