Montana-Dakota Utilities Co operates 10 power plants across 1 country, with a combined installed capacity of 593 MW. Its plants with measured data emit a combined 155,474 t CO₂/yr.
| Plant | Fuel | Country | MW | t CO₂/yr |
|---|---|---|---|---|
| R M Heskett | Coal | United States of America | 203 | — |
| Thunder Spirit Wind LLC | Wind | United States of America | 156 | — |
| Glendive GT | Gas | United States of America | 84 | 121,618 |
| Lewis & Clark | Coal | United States of America | 69 | — |
| Diamond Willow Wind Facility | Wind | United States of America | 30 | — |
| Miles City GT | Gas | United States of America | 23 | 33,856 |
| Cedar Hills Wind Farm | Wind | United States of America | 20 | — |
| Glen Ullin Station 6 | Cogeneration | United States of America | 5 | — |
| Portable Generator 2 | Oil | United States of America | 2 | — |
| Portable Generator 3 | Oil | United States of America | 2 | — |
Ownership & capacity: WRI Global Power Plant Database (CC BY 4.0). Measured CO₂ where reported to EPA/EU ETS/Climate TRACE.
