| # | Plant | Fuel | Country | MW |
|---|---|---|---|---|
| 1 | Colstrip | Coal | United States of America | 2,363 |
| 2 | Colstrip Steam Plant | Coal | United States of America | 2,273 |
| 3 | Crow Nation CFB | Coal | United States of America | 2,000 |
| 4 | Libby | Hydro | United States of America | 525 |
| 5 | Noxon Rapids | Hydro | United States of America | 488 |
| 6 | Hungry Horse | Hydro | United States of America | 428 |
| 7 | Yellowtail | Hydro | United States of America | 278 |
| 8 | Selis Ksanka Qlispe | Hydro | United States of America | 228 |
| 9 | Yellowstone County Generating Station | Gas | United States of America | 207 |
| 10 | Dave Gates Generating Station | Gas | United States of America | 204 |
| 11 | NaturEner Rim Rock Energy | Wind | United States of America | 189 |
| 12 | Fort Peck | Hydro | United States of America | 180 |
| 13 | J E Corette Plant | Coal | United States of America | 173 |
| 14 | Judith Gap Wind Energy Center | Wind | United States of America | 135 |
| 15 | Hardin Generator Project | Coal | United States of America | 116 |
| 16 | Hardin Generating Station | Coal | United States of America | 116 |
| 17 | NaturEner Glacier Wind Energy 1 | Wind | United States of America | 106 |
| 18 | NaturEner Glacier Wind Energy 2 | Wind | United States of America | 104 |
| 19 | Thompson Falls | Hydro | United States of America | 98 |
| 20 | Culbertson Generation Station | Gas | United States of America | 91 |
| 21 | Glendive GT | Gas | United States of America | 84 |
| 22 | Stillwater Wind LLC | Wind | United States of America | 80 |
| 23 | Lewis & Clark | Coal | United States of America | 69 |
| 24 | Yellowstone Energy LP | Petcoke | United States of America | 68 |
| 25 | Morony | Hydro | United States of America | 63 |
| 26 | Cochrane | Hydro | United States of America | 60 |
| 27 | Rainbow (MT) | Hydro | United States of America | 59 |
| 28 | Holter | Hydro | United States of America | 55 |
| 29 | Ryan | Hydro | United States of America | 55 |
| 30 | Basin Creek Plant | Gas | United States of America | 55 |
| 31 | Canyon Ferry | Hydro | United States of America | 52 |
| 32 | Lewis & Clark Station | Coal | United States of America | 50 |
| 33 | Colstrip Energy LP | Coal | United States of America | 46 |
| 34 | Highwood Generating Station | Gas | United States of America | 43 |
| 35 | Rosebud Power Plant | Coal | United States of America | 42 |
| 36 | Spion Kop Wind Farm | Wind | United States of America | 40 |
| 37 | OREG 1 Inc | Cogeneration | United States of America | 30 |
| 38 | OREG 2 Inc | Cogeneration | United States of America | 30 |
| 39 | Diamond Willow Wind Facility | Wind | United States of America | 28 |
| 40 | Big Timber Wind Farm | Wind | United States of America | 25 |
| 41 | Greenfield Wind - MT | Wind | United States of America | 25 |
| 42 | Black Eagle | Hydro | United States of America | 24 |
| 43 | Miles City GT | Gas | United States of America | 23 |
| 44 | Gordon Butte Wind LLC | Wind | United States of America | 18 |
| 45 | Hauser | Hydro | United States of America | 18 |
| 46 | Turnbull Hydro | Hydro | United States of America | 13 |
| 47 | Mystic | Hydro | United States of America | 12 |
| 48 | Fairfield Wind | Wind | United States of America | 10 |
| 49 | Musselshell Wind Project | Wind | United States of America | 10 |
| 50 | Musselshell Wind Project Two LLC | Wind | United States of America | 10 |
| 51 | Broadwater Power Project | Hydro | United States of America | 10 |
| 52 | Two Dot Wind Farm | Wind | United States of America | 10 |
| 53 | Horseshoe Bend Wind Park | Wind | United States of America | 9 |
| 54 | Madison Dam | Hydro | United States of America | 9 |
| 55 | Tiber Dam Hydroelectric Plant | Hydro | United States of America | 8 |
| 56 | Big Fork | Hydro | United States of America | 4 |
| 57 | Sidney MT Plant | Coal | United States of America | 4 |
| 58 | Black Eagle Solar LLC | Solar | United States of America | 3 |
| 59 | Great Divide Solar LLC | Solar | United States of America | 3 |
| 60 | Green Meadow Solar LLC | Solar | United States of America | 3 |
| 61 | Magpie Solar LLC | Solar | United States of America | 3 |
| 62 | South Mills Solar LLC | Solar | United States of America | 3 |
| 63 | Stoltze CoGen1 | Waste | United States of America | 3 |
| 64 | Lake (WY) | Oil | United States of America | 3 |
| 65 | Flint Creek Hydroelectric LLC | Hydro | United States of America | 2 |
| 66 | Old Faithful | Oil | United States of America | 2 |
| 67 | River Bend Solar LLC | Solar | United States of America | 2 |
| 68 | South Dry Creek Hydro | Hydro | United States of America | 2 |
| 69 | Phillips 66 Billings Refinery | Gas | United States of America | 2 |
| 70 | Western Sugar Cooperative - Billings | Coal | United States of America | 2 |
Method: ranked from open data — capacity & fuel from WRI Global Power Plant Database (CC BY 4.0); CO₂ measured for US EPA GHGRP / EU ETS records and modelled for Climate TRACE records. Sorted server-side; click any column to re-sort. Company-level data only.
Colstrip (United States of America) ranks #1 with 2,363 mw.
This ranking covers 70 power plants in in Montana, United States of America.
1. Colstrip (2,363); 2. Colstrip Steam Plant (2,273); 3. Crow Nation CFB (2,000).