Largest power plants in Wyoming
The 50 largest power plants in Wyoming by nameplate capacity, from EIA-860M for August 2026, with 2025 net generation from EIA-923.
Top 50 by nameplate capacity
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Jim BridgerSweetwater County · Natural gas and coal | 2,326 | 7,597 | 37.3% |
| 2 | Laramie River StationPlatte County · Coal | 1,863 | 9,072 | 55.6% |
| 3 | Dave JohnstonConverse County · Coal | 817 | 4,273 | 59.7% |
| 4 | NaughtonLincoln County · Coal and natural gas | 707 | 2,281 | 36.8% |
| 5 | Rock Creek WindCarbon County · Wind | 590 | 212* | – |
| 6 | TB FlatsCarbon County · Wind | 503 | 1,362 | 30.9% |
| 7 | Dry Fork StationCampbell County · Coal | 484 | 2,292 | 54.1% |
| 8 | Cedar Springs Wind IVConverse County · Wind | 390 | 1,056 | – |
| 9 | WyodakCampbell County · Coal | 362 | 2,092 | 66.0% |
| 10 | Boswell WindAlbany County · Wind | 330 | 1,185 | 41.0% |
| 11 | Ekola FlatsCarbon County · Wind | 251 | 736 | 33.5% |
| 12 | Roundhouse Wind Energy ProjectLaramie County · Wind | 226 | 826 | 41.7% |
| 13 | Top of the World Windpower ProjectConverse County · Wind | 200 | 496 | 28.3% |
| 14 | Cedar Springs IConverse County · Wind | 200 | 700 | 39.9% |
| 15 | Cedar Springs IIConverse County · Wind | 200 | 652 | 37.2% |
| 16 | GlenrockConverse County · Wind | 166 | 469 | 32.3% |
| 17 | South Cheyenne SolarLaramie County · Solar | 150 | 323 | 24.6% |
| 18 | Seven Mile HillCarbon County · Wind | 146 | 458 | 35.8% |
| 19 | TransAlta Wyoming WindUinta County · Wind | 144 | 321 | 25.5% |
| 20 | Shute Creek FacilityLincoln County · Natural gas | 144 | 871 | 69.0% |
| 21 | Cheyenne Prairie Generating StationLaramie County · Natural gas | 140 | 502 | 40.9% |
| 22 | Foote Creek RimCarbon County · Wind | 135 | 636 | 53.9% |
| 23 | Cedar Springs IIIConverse County · Wind | 133 | 475 | 40.8% |
| 24 | Neil Simpson IICampbell County · Coal and natural gas | 130 | 642 | 56.4% |
| 25 | DunlapCarbon County · Wind | 130 | 417 | 36.7% |
| 26 | Anticline WindNatrona County · Wind | 124 | 387 | 35.5% |
| 27 | High PlainsAlbany County · Wind | 122 | 341 | 31.9% |
| 28 | Wygen IIICampbell County · Coal | 116 | 95.0 | 9.4% |
| 29 | Rolling HillsConverse County · Wind | 116 | 295 | 29.1% |
| 30 | Roundhouse Renewable Energy IILaramie County · Wind | 106 | 376 | 40.6% |
| 31 | Campbell Hill WindpowerConverse County · Wind | 99 | 254 | 29.3% |
| 32 | Wygen 2Campbell County · Coal | 95 | 596 | 71.6% |
| 33 | Sweetwater SolarSweetwater County · Solar | 92 | 173 | 21.5% |
| 34 | Wygen 1Campbell County · Coal | 90 | 539 | 68.3% |
| 35 | Mountain Wind Power II LLCUinta County · Wind | 80 | 188 | 26.8% |
| 36 | Pioneer Wind Park, LLCConverse County · Wind | 80 | 253 | 36.0% |
| 37 | Fremont CanyonNatrona County · Hydro | 67 | 234 | 39.9% |
| 38 | Mountain Wind Power LLCUinta County · Wind | 61 | 151 | 28.3% |
| 39 | Corriedale Wind EnergyLaramie County · Wind | 53 | 214 | 46.6% |
| 40 | SeminoeCarbon County · Hydro | 52 | 84.5 | 18.7% |
| 41 | Silver Sage WindpowerLaramie County · Wind | 42 | 100 | 27.2% |
| 42 | AlcovaNatrona County · Hydro | 41 | 107 | 29.5% |
| 43 | Neil Simpson Gas Turbine #2Campbell County · Natural gas | 40 | 36.5 | 10.4% |
| 44 | GlendoPlatte County · Hydro | 38 | 67.3 | 20.2% |
| 45 | KortesCarbon County · Hydro | 36 | 106 | 33.5% |
| 46 | McFadden RidgeAlbany County · Wind | 35 | 105 | 34.0% |
| 47 | WE Soda Alkalai LLCSweetwater County · Coal | 31 | 269 | 74.9% |
| 48 | General ChemicalSweetwater County · Coal | 30 | 215 | 81.9% |
| 49 | Happy Jack Windpower ProjectLaramie County · Wind | 29 | 58.7 | 22.8% |
| 50 | HartzogCampbell County · Natural gas | 23 | 0.1 | 0.1% |
* Fewer than 12 months of 2025 reported, so the total is partial.
MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources