Power Plants in Wyoming

Bywatts lists 63 power plants in Wyoming.

63Plants
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8.8 GWTotal capacity

View Wyoming on the map

Plants by fuel type
Wyoming plants by fuelWind18Hydro14Unknown10Coal10Natural Gas7Other2Oil2

Weather peril risk for Wyoming projects

23 Wyoming counties carry a FEMA National Risk Index hazard profile. Earthquake is the leading peril in 7 of them, and Weston County ranks highest for modeled catastrophe exposure at 4.9 of 5.

23Counties assessed
Weston County, 4.9 of 5Highest scoring county
EarthquakeLeading peril
6Counties in the worst national hail quintile

Wyoming counties ranked by modeled catastrophe exposure

CountyExposure scoreBandLeading perilFEMA ratingInsurability signal
Weston County4.9 of 5CriticalHailRelatively ModerateDifficult
Campbell County4.9 of 5CriticalHailRelatively HighDifficult
Crook County4.9 of 5CriticalWinter weatherRelatively ModerateDifficult
Goshen County4.9 of 5CriticalHailRelatively ModerateDifficult
Platte County4.2 of 5CriticalWildfireRelatively LowConstrained
Laramie County4.1 of 5HighWildfireRelatively ModerateConstrained
Johnson County4.0 of 5HighRiverine floodingRelatively LowConstrained
Niobrara County3.7 of 5HighWinter weatherRelatively LowConstrained
Sheridan County3.6 of 5HighRiverine floodingRelatively ModerateConstrained
Converse County3.1 of 5ElevatedWildfireRelatively ModerateStandard

What this means for insurance placement in Wyoming

9 of 23 assessed Wyoming counties flag as Constrained or Difficult on the modeled insurability signal, which is where percentage hail and named windstorm deductibles, and any sublimit discussion, tend to start. The signal is a screening output, not a carrier decision.

Score a Wyoming county for hail, wind and flood exposure in the weather risk calculator

Data source and vintage

Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level. The solar vulnerability layer that turns FEMA building loss into modeled solar loss was derived by Bywatts and revised on physical reasoning. It has not been reviewed by a practising underwriter.

PlantFuelCapacity (MW)Operator
JIM BRIDGERCoal2,318PACIFICORP
LARAMIE RIVER STATIONUnknown1,710BASIN ELECTRIC POWER COOP
DAVE JOHNSTONCoal817PACIFICORP
NAUGHTONCoal707PACIFICORP
DRY FORK STATIONUnknown390BASIN ELECTRIC POWER COOP
WYODAKCoal362PACIFICORP
TOP OF THE WORLD WINDPOWER PROJECTUnknown200DUKE ENERGY TOP OF THE WORLD WINDPOWER
GLENROCKWind144PACIFICORP
WYOMING WIND ENERGY CENTERWind144FPL ENERGY WYOMING WIND LLC
SEVEN MILE HILLWind124PACIFICORP
NEIL SIMPSON IICoal120BLACK HILLS POWER INC
WYGEN IIIUnknown116BLACK HILLS POWER INC
DUNLAPUnknown116PACIFICORP
SHUTE CREEK FACILITYNatural Gas108EXXON MOBIL PRODUCTION CO
HIGH PLAINSWind103PACIFICORP
ROLLING HILLSWind103PACIFICORP
CAMPBELL HILL WINDPOWERWind99DUKE ENERGY DEGS CAMPBELL HILL
WYGEN 2Coal95BLACK HILLS POWER INC
WYGEN 1Coal88BLACK HILLS POWER INC
MOUNTAIN WIND POWER II LLCWind80EDISON MISSION ENERGY
FREMONT CANYONHydro67U S BUREAU OF RECLAMATION
MOUNTAIN WIND POWER LLCWind61EDISON MISSION ENERGY
SEMINOEHydro52U S BUREAU OF RECLAMATION
ROCK RIVER I LLCWind50AES WIND GENERATION INC
SILVER SAGE WINDPOWERWind42DUKE ENERGY DEGS SILVER SAGE WNDPWR LLC
ALCOVAHydro41U S BUREAU OF RECLAMATION
FOOTE CREEK IWind41AES WIND GENERATION INC
FMC WESTVACOUnknown41FMC WESTVACO
NEIL SIMPSON GAS TURBINE #2Natural Gas40BLACK HILLS POWER INC
GLENDOHydro38U S BUREAU OF RECLAMATION
KORTESHydro36U S BUREAU OF RECLAMATION
OSAGECoal35BLACK HILLS POWER INC
GENERAL CHEMICALCoal30TATA CHEMICALS PARTNERS
MCFADDEN RIDGEWind30PACIFICORP
HAPPY JACK WINDPOWER PROJECTWind29DUKE ENERGY DEGS HAPPY JACK
FOOTE CREEK IIIWind25TERRA-GEN OPERATING CO LLC
ARVADANatural Gas23BASIN ELECTRIC POWER COOP
BARBER CREEKNatural Gas23BASIN ELECTRIC POWER COOP
HARTZOGNatural Gas23BASIN ELECTRIC POWER COOP
NEIL SIMPSONCoal22BLACK HILLS POWER INC
BUFFALO BILLHydro18U S BUREAU OF RECLAMATION
CASPER WIND FARMWind17CHEVRON USA
FOOTE CREEK IVWind17AES WIND GENERATION INC
BOYSENHydro15U S BUREAU OF RECLAMATION
SIMPLOT PHOSPHATESOther12SIMPLOT PHOSPHATES LLC
FONTENELLEHydro10U S BUREAU OF RECLAMATION
SINCLAIR OIL REFINERYNatural Gas7SINCLAIR OIL CORP
GUERNSEYHydro6U S BUREAU OF RECLAMATION
MEDICINE BOWWind6PLATTE RIVER POWER AUTHORITY
BEAVER CREEK GAS PLANTNatural Gas5DEVON ENERGY PRODUCTION CO
HEART MOUNTAINHydro5U S BUREAU OF RECLAMATION
SPIRIT MOUNTAINHydro5U S BUREAU OF RECLAMATION
SHOSHONEHydro3U S BUREAU OF RECLAMATION
GARLAND CANAL POWER PLANTUnknown3SHOSHONE IRRIGATION DISTRICT
LAKEOil3NORTHWESTERN ENERGY
ELK BASIN GASOLINE PLANTOther2ENCORE ENERGY PARTNERS OPERATING LLC
OLD FAITHFULOil2NORTHWESTERN ENERGY
WESTERN SUGAR COOP - TORRINGTONUnknown2WESTERN SUGAR COOPERATIVE
FOOTE CREEK IIWind2TERRA-GEN OPERATING CO LLC
SWIFT CREEKUnknown2LOWER VALLEY ENERGY INC
PILOT BUTTEHydro2U S BUREAU OF RECLAMATION
STRAWBERRY CREEKHydro2LOWER VALLEY ENERGY INC
MEDICINE BOW FUEL & POWER LLCUnknown·MEDICINE BOW FUEL & POWER LLC