Montana operates 83 power plants totaling 7,403 MW of nameplate capacity. Hydroelectric dominates the mix at 36%, followed by Wind (26%) and Coal (24%). The largest plant is Colstrip at 1,647 MW.
| Plant | City | Fuel | Capacity |
|---|---|---|---|
| Colstrip | Colstrip | Coal | 1,647 MW |
| Libby | Libby | Hydroelectric | 525 MW |
| Noxon Rapids | Noxon | Hydroelectric | 488 MW |
| Hungry Horse | Columbia Falls | Hydroelectric | 428 MW |
| Clearwater Wind I | Miles City | Wind | 366 MW |
| Yellowtail | Hardin | Hydroelectric | 278 MW |
| Pryor Mountain Wind | Bridger | Wind | 240 MW |
| Selis Ksanka Qlispe | Polson | Hydroelectric | 228 MW |
| Clearwater Wind East | Miles City | Wind | 208 MW |
| Yellowstone County Generating Station | Laurel | Natural Gas | 207 MW |
| Dave Gates Generating Station | Anaconda | Natural Gas | 203 MW |
| Naturener Rim Rock Energy | Kevin | Wind | 189 MW |
| Fort Peck | Fort Peck | Hydroelectric | 180 MW |
| Judith Gap Wind Energy Center | Harlowton | Wind | 135 MW |
| Hardin Generator Project | Hardin | Coal | 116 MW |
| Culbertson Generation Station | Culbertson | Natural Gas | 108 MW |
| Naturener Glacier Wind Energy 1 | Ethridge | Wind | 107 MW |
| Naturener Glacier Wind Energy 2 | Ethridge | Wind | 104 MW |
| Clearwater Wind Ii | Miles City | Wind | 103 MW |
| Clearwater Wind Iii | Miles City | Wind | 100 MW |
| Thompson Falls | Thompson Falls | Hydroelectric | 98.1 MW |
| Glendive Gt | Glendive | Natural Gas | 83.7 MW |
| South Peak Wind | Geyser | Wind | 80.0 MW |
| Mtsun | Billings | Solar | 80.0 MW |
| Apex Solar | Dillon | Solar | 80.0 MW |
| Stillwater Wind, Llc | Reed Point | Wind | 79.7 MW |
| Yellowstone Energy Lp | Billings | Oil | 68.0 MW |
| Morony | Great Falls | Hydroelectric | 63.0 MW |
| Cochrane | Great Falls | Hydroelectric | 60.4 MW |
| Rainbow (Mt) | Great Falls | Hydroelectric | 59.0 MW |
| Holter | Wolf Creek | Hydroelectric | 56.8 MW |
| Ryan | Great Falls | Hydroelectric | 55.2 MW |
| Basin Creek Plant | Butte | Natural Gas | 54.9 MW |
| Canyon Ferry | Helena | Hydroelectric | 52.4 MW |
| Colstrip Energy Lp | Colstrip | Coal | 46.1 MW |
| Spion Kop Wind Farm | Geyser | Wind | 40.0 MW |
| Diamond Willow Wind Facility | Baker | Wind | 30.0 MW |
| Oreg 1 Inc | Culbertson | Other Fossil | 30.0 MW |
| Oreg 2 Inc | Culbertson | Other Fossil | 30.0 MW |
| Greenfield Wind - Mt | Fairfield | Wind | 25.0 MW |
| Big Timber Wind Farm | Big Timber | Wind | 25.0 MW |
| Black Eagle | Great Falls | Hydroelectric | 24.0 MW |
| Miles City Gt | Miles City | Natural Gas | 23.3 MW |
| Hauser | Helena | Hydroelectric | 19.1 MW |
| Lewis & Clark | Richland | Natural Gas | 18.6 MW |
| Gordon Butte Wind Llc | Martinsdale | Wind | 17.7 MW |
| Madison Dam | Ennis | Hydroelectric | 16.4 MW |
| Turnbull Hydro | Fairfield | Hydroelectric | 13.0 MW |
| Mystic | Fishtail | Hydroelectric | 12.0 MW |
| Musselshell Wind Project | Shawmut | Wind | 10.0 MW |