ALLETE Inc. operates 20 power plants across 1 country, with a combined installed capacity of 1,950 MW. Its plants with measured data emit a combined 5,286,205 t CO₂/yr.
| Plant | Fuel | Country | MW | t CO₂/yr |
|---|---|---|---|---|
| Clay Boswell | Coal | United States of America | 923 | 5,196,646 |
| Bison 4 Wind Energy Center | Wind | United States of America | 205 | — |
| Taconite Harbor Energy Center | Coal | United States of America | 168 | — |
| Syl Laskin | Gas | United States of America | 116 | 76,457 |
| Bison 2 Wind Energy Center | Wind | United States of America | 105 | — |
| Bison 3 Wind Energy Center | Wind | United States of America | 105 | — |
| Bison I Wind Energy Center | Wind | United States of America | 82 | — |
| M L Hibbard | Waste | United States of America | 73 | 13,102 |
| Thomson | Hydro | United States of America | 73 | — |
| Rapids Energy Center | Coal | United States of America | 28 | — |
| Taconite Ridge 1 Wind Energy Center | Wind | United States of America | 25 | — |
| Blanchard | Hydro | United States of America | 18 | — |
| Fond Du Lac | Hydro | United States of America | 12 | — |
| Little Falls (MN) | Hydro | United States of America | 5 | — |
| Winton | Hydro | United States of America | 4 | — |
| Knife Falls | Hydro | United States of America | 2 | — |
| Sylvan | Hydro | United States of America | 2 | — |
| Pillager | Hydro | United States of America | 2 | — |
| Scanlon | Hydro | United States of America | 2 | — |
| Prairie River | Hydro | United States of America | 1 | — |
Ownership & capacity: WRI Global Power Plant Database (CC BY 4.0). Measured CO₂ where reported to EPA/EU ETS/Climate TRACE.
