Power plants in Wyoming
68 operating power projects with 12,716 MW of nameplate capacity, from EIA-860M for August 2026.
Projects
68
Nameplate capacity
12,716 MW
Counties with a plant
13
Operators
30
Capacity by fuel
Coal · 5,520 MW · 11Wind · 4,707 MW · 28Natural gas · 1,931 MW · 11Hydro · 302 MW · 15Solar · 242 MW · 2Other fuels · 13 MW · 1
MW is nameplate from operating generators and batteries. Plant counts use each project's primary fuel, so a coal and gas plant counts once.
Largest power plants in Wyoming
Top 50 · All 68 plants| Plant | Primary fuel | MW | County | Operator |
|---|---|---|---|---|
| Jim Bridger | Natural gas and coal | 2,326 | Sweetwater | PacifiCorp |
| Laramie River Station | Coal | 1,863 | Platte | Basin Electric Power Coop |
| Dave Johnston | Coal | 817 | Converse | PacifiCorp |
| Naughton | Coal and natural gas | 707 | Lincoln | PacifiCorp |
| Rock Creek Wind | Wind | 590 | Carbon | PacifiCorp |
| TB Flats | Wind | 503 | Carbon | PacifiCorp |
| Dry Fork Station | Coal | 484 | Campbell | Basin Electric Power Coop |
| Cedar Springs Wind IV | Wind | 390 | Converse | Cedar Springs Wind IV, LLC |
| Wyodak | Coal | 362 | Campbell | PacifiCorp |
| Boswell Wind | Wind | 330 | Albany | Boswell Wind, LLC |
Wyoming power plants by fuel
Newest plants in Wyoming
Ordered by the month the first generator began operating.
Rock Creek WindWind · 590 MW · Carbon County · September 2025Cedar Springs Wind IVWind · 390.4 MW · Converse County · January 2025Boswell WindWind · 329.8 MW · Albany County · December 2024Foote Creek RimWind · 134.8 MW · Carbon County · December 2024Anticline WindWind · 124.3 MW · Natrona County · December 2024South Cheyenne SolarSolar · 150 MW · Laramie County · April 2024
Counties with the most capacity
Largest operators in Wyoming
PacifiCorp15 plants · 6,605 MW
Basin Electric Power Coop5 plants · 2,407 MW
Cedar Springs Wind IV, LLC1 plant · 390 MW
Black Hills Power, Inc.4 plants · 381 MW
Deriva Energy4 plants · 370 MW
Grouped by EIA operator name. Parent companies are not merged.
All 68 plants in Wyoming, by county
Albany County 3 plants
- Boswell Wind Wind · 329.8 MW
- High Plains Wind · 122.1 MW
- McFadden Ridge Wind · 35.2 MW
Campbell County 9 plants
- Dry Fork Station Coal · 483.7 MW
- Wyodak Coal · 362.1 MW
- Neil Simpson II Coal · 130 MW
- Wygen III Coal · 116 MW
- Wygen 2 Coal · 95 MW
- Wygen 1 Coal · 90 MW
- Neil Simpson Gas Turbine #2 Natural gas · 40 MW
- Hartzog Natural gas · 22.5 MW
- Barber Creek Natural gas · 22.5 MW
Carbon County 9 plants
- Rock Creek Wind Wind · 590 MW
- TB Flats Wind · 503.2 MW
- Ekola Flats Wind · 250.9 MW
- Seven Mile Hill Wind · 146.2 MW
- Foote Creek Rim Wind · 134.8 MW
- Dunlap Wind · 129.5 MW
- Seminoe Hydro · 51.6 MW
- Kortes Hydro · 36 MW
- Sinclair Oil Refinery Natural gas · 2.6 MW
Converse County 10 plants
- Dave Johnston Coal · 816.7 MW
- Cedar Springs Wind IV Wind · 390.4 MW
- Top of the World Windpower Project Wind · 200 MW
- Cedar Springs I Wind · 200 MW
- Cedar Springs II Wind · 200 MW
- Glenrock Wind · 165.6 MW
- Cedar Springs III Wind · 133 MW
- Rolling Hills Wind · 115.8 MW
- Campbell Hill Windpower Wind · 99 MW
- Pioneer Wind Park, LLC Wind · 80 MW
Fremont County 3 plants
- Boysen Hydro · 15 MW
- Big Sand Draw Plant Natural gas · 8 MW
- Beaver Creek Gas Plant Natural gas · 6.8 MW
Laramie County 7 plants
- Roundhouse Wind Energy Project Wind · 226 MW
- South Cheyenne Solar Solar · 150 MW
- Cheyenne Prairie Generating Station Natural gas · 140 MW
- Roundhouse Renewable Energy II Wind · 105.7 MW
- Corriedale Wind Energy Wind · 52.5 MW
- Silver Sage Windpower Wind · 42 MW
- Happy Jack Windpower Project Wind · 29.4 MW
Lincoln County 5 plants
- Naughton Coal · 707.2 MW
- Shute Creek Facility Natural gas · 144 MW
- Fontenelle Hydro · 10 MW
- Swift Creek Hydro · 1.7 MW
- Strawberry Creek Hydro · 1.5 MW
Natrona County 4 plants
- Anticline Wind Wind · 124.3 MW
- Fremont Canyon Hydro · 66.8 MW
- Alcova Hydro · 41.4 MW
- Casper Wind Farm Wind · 17 MW
Park County 6 plants
- Buffalo Bill Hydro · 18 MW
- Heart Mountain Hydro · 5 MW
- Spirit Mountain Hydro · 4.5 MW
- Shoshone (WY) Hydro · 3 MW
- Garland Canal Power Plant Hydro · 2.9 MW
- Elk Basin Gasoline Plant Natural gas · 1 MW
Platte County 3 plants
- Laramie River Station Coal · 1,863 MW
- Glendo Hydro · 38 MW
- Guernsey Hydro · 6.4 MW
Sheridan County 1 plant
- Arvada Natural gas · 15 MW
Sweetwater County 5 plants
- Jim Bridger Natural gas · 2,326 MW
- Sweetwater Solar Solar · 92 MW
- WE Soda Alkalai LLC Coal · 31 MW
- General Chemical Coal · 30 MW
- Simplot Phosphates Other fuels · 11.5 MW
Uinta County 3 plants
- TransAlta Wyoming Wind Wind · 144 MW
- Mountain Wind Power II LLC Wind · 80 MW
- Mountain Wind Power LLC Wind · 61 MW
Questions about power plants in Wyoming
How many power plants are in Wyoming?
EIA-860M for August 2026 lists 68 operating power projects in Wyoming, with 12,716 MW of nameplate capacity including batteries.
What is the largest power plant in Wyoming?
Jim Bridger in Sweetwater County, with 2,326 MW of nameplate capacity. The next largest is Laramie River Station, with 1,863 MW.
How much of Wyoming's capacity is wind?
4,707 MW, about 37% of nameplate capacity. 28 projects have wind as their primary fuel.
Source: EIA-860M August 2026, published 2026-09-24. Page updated 2026-10-04. Data sources