How much power plant capacity does Wyoming have?

Wyoming has 12.7 GW of operating utility-scale capacity as of August 2026.

What is the largest power plant in Wyoming?

Jim Bridger is the largest at 2.3 GW of natural gas capacity.

Where does Wyoming get its electricity?

Power plants in Wyoming generated 43.2 TWh in 2023. The mix is shown above. Power also flows between states, so what plants in a state generate is not the same as what its customers use.

Checked Oct 26, 2026

Wyoming Power Plants

Utility-scale generators of 1 megawatt or more in Wyoming, as of August 2026 (EIA-860M).

Operating capacity: 12.7 GW
Largest plant: Jim Bridger; 2.3 GW
Planned through 2028: 1.5 GW
Generation, 2023: 43.2 TWh

Capacity by fuel

Operating nameplate capacity

Coal5.5 GW 43.4%
Wind4.7 GW 37.0%
Natural gas1.9 GW 15.2%
Hydroelectric303 MW 2.4%
Solar242 MW 1.9%
Other16.0 MW 0.1%
Petroleum5.8 MW 0.0%

Electricity generated, 2023

Net generation by fuel from EPA eGRID. CO2 output rate 1,820 lb/MWh

Coal30.8 TWh 71.4%
Wind8.6 TWh 20.0%
Natural gas2.1 TWh 4.9%
Hydroelectric917 GWh 2.1%
Other437 GWh 1.0%
Solar174 GWh 0.4%
Petroleum44 GWh 0.1%

Largest power plants

By operating capacity

Swipe the table sideways to see more columns.

#	Plant	Fuel	Capacity	Since
1	Jim BridgerSweetwater	Natural gas	2.3 GW	1974
2	Laramie River StationPlatte	Coal	1.9 GW	1981
3	Dave JohnstonConverse	Coal	817 MW	1959
4	NaughtonLincoln	Coal	707 MW	1963
5	Rock Creek WindCarbon	Wind	590 MW	2025
6	TB FlatsCarbon	Wind	503 MW	2021
7	Dry Fork StationCampbell	Coal	484 MW	2011
8	Cedar Springs Wind IVConverse	Wind	390 MW	2025
9	WyodakCampbell	Coal	362 MW	1978
10	Boswell WindAlbany	Wind	330 MW	2024
11	Ekola FlatsCarbon	Wind	251 MW	2020
12	Roundhouse Wind Energy ProjectLaramie	Wind	226 MW	2020
13	Top of the World Windpower ProjectConverse	Wind	200 MW	2010
14	Cedar Springs IConverse	Wind	200 MW	2020
15	Cedar Springs IIConverse	Wind	200 MW	2020
16	GlenrockConverse	Wind	166 MW	2008
17	South Cheyenne SolarLaramie	Solar	150 MW	2024
18	Seven Mile HillCarbon	Wind	146 MW	2008
19	TransAlta Wyoming WindUinta	Wind	144 MW	2003
20	Shute Creek FacilityLincoln	Natural gas	144 MW	2005
21	Cheyenne Prairie Generating StationLaramie	Natural gas	140 MW	2014
22	Foote Creek RimCarbon	Wind	135 MW	2024
23	Cedar Springs IIIConverse	Wind	133 MW	2020
24	Neil Simpson IICampbell	Coal	130 MW	1995
25	DunlapCarbon	Wind	130 MW	2010
26	Anticline WindNatrona	Wind	124 MW	2024
27	High PlainsAlbany	Wind	122 MW	2009
28	Wygen IIICampbell	Coal	116 MW	2010
29	Rolling HillsConverse	Wind	116 MW	2009
30	Roundhouse Renewable Energy IILaramie	Wind	106 MW	2023
31	Campbell Hill WindpowerConverse	Wind	99.0 MW	2009
32	Wygen 2Campbell	Coal	95.0 MW	2008
33	Sweetwater SolarSweetwater	Solar	92.0 MW	2018
34	Wygen 1Campbell	Coal	90.0 MW	2003
35	Mountain Wind Power II LLCUinta	Wind	80.0 MW	2008
36	Pioneer Wind Park, LLCConverse	Wind	80.0 MW	2016
37	Fremont CanyonNatrona	Hydroelectric	66.8 MW	1960
38	Mountain Wind Power LLCUinta	Wind	61.0 MW	2008
39	Corriedale Wind EnergyLaramie	Wind	52.5 MW	2020
40	SeminoeCarbon	Hydroelectric	51.6 MW	1939
41	Silver Sage WindpowerLaramie	Wind	42.0 MW	2009
42	AlcovaNatrona	Hydroelectric	41.4 MW	1955
43	We Soda Alkalai LLCSweetwater	Coal	41.0 MW	1953
44	Neil Simpson Gas Turbine #2Campbell	Natural gas	40.0 MW	2001
45	GlendoPlatte	Hydroelectric	38.0 MW	1958
46	KortesCarbon	Hydroelectric	36.0 MW	1950
47	McFadden RidgeAlbany	Wind	35.2 MW	2009
48	General ChemicalSweetwater	Coal	30.0 MW	1968
49	Happy Jack Windpower ProjectLaramie	Wind	29.4 MW	2008
50	HartzogCampbell	Natural gas	22.5 MW	2002
51	Barber CreekCampbell	Natural gas	22.5 MW	2002
52	Buffalo BillPark	Hydroelectric	18.0 MW	1992
53	Casper Wind FarmNatrona	Wind	17.0 MW	2009
54	BoysenFremont	Hydroelectric	15.0 MW	1952
55	ArvadaSheridan	Natural gas	15.0 MW	2002
56	Simplot PhosphatesSweetwater	Other	11.5 MW	1986
57	FontenelleLincoln	Hydroelectric	10.0 MW	1968
58	Big Sand Draw PlantFremont	Natural gas	8.0 MW	2015
59	Beaver Creek Gas PlantFremont	Natural gas	6.8 MW	1983
60	GuernseyPlatte	Hydroelectric	6.4 MW	1927
61	Heart MountainPark	Hydroelectric	5.0 MW	1948
62	Sinclair Oil RefineryCarbon	Natural gas	5.0 MW	1925
63	Spirit MountainPark	Hydroelectric	4.5 MW	1994
64	Shoshone (WY)Park	Hydroelectric	3.0 MW	1922
65	Garland Canal Power PlantPark	Hydroelectric	2.9 MW	1983
66	Lake (WY)Teton	Petroleum	2.7 MW	1967
67	Old FaithfulTeton	Petroleum	2.0 MW	1979
68	Swift CreekLincoln	Hydroelectric	1.7 MW	2009
69	Pilot ButteFremont	Hydroelectric	1.6 MW	1925
70	Strawberry CreekLincoln	Hydroelectric	1.5 MW	1940
71	Elk Basin Gasoline PlantPark	Other	1.0 MW	1948

Show all 71Show fewer

Planned and under construction

Largest planned additions, including expansions of operating plants

Swipe the table sideways to see more columns.

Plant	Planned	Operating now
Chokecherry and Sierra Madre WindCarbon	3.6 GW	None yet
Dutchman Solar generation and BESSConverse	998 MW	None yet
Cowboy Solar ILaramie	800 MW	None yet
Cowboy Solar IILaramie	565 MW	None yet
Rail Tie WindAlbany	504 MW	None yet
Kemmerer Unit 1Lincoln	500 MW	None yet
Goshen SolarGoshen	163 MW	None yet
Cheyenne Prairie Generating StationLaramie	120 MW	140 MW
Two Rivers Wind FacilityCarbon	6.1 MW	None yet

Power plants by county

Operating plants located in each county

Capacity is the nameplate rating of generators that are operating or on standby. Solar capacity is in alternating current (AC). Batteries are counted by power (MW), not by stored energy (MWh).

Frequently asked questions

How much power plant capacity does Wyoming have?: Wyoming has 12.7 GW of operating utility-scale capacity as of August 2026.
What is the largest power plant in Wyoming?: Jim Bridger is the largest at 2.3 GW of natural gas capacity.
Where does Wyoming get its electricity?: Power plants in Wyoming generated 43.2 TWh in 2023. The mix is shown above. Power also flows between states, so what plants in a state generate is not the same as what its customers use.

Source: U.S. Energy Information Administration, Form EIA-860M; U.S. EPA eGRID · Data for August 2026

Data sources

Form EIA-860M Monthly Electric Generator InventoryU.S. Energy Information Administration
Emissions & Generation Resource Integrated Database (eGRID)U.S. Environmental Protection Agency

Data for August 2026

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