USUS Grid ExplorerInfrastructure intelligence
Preliminary 2025 facility recordMixed

Cheyenne, WY · EIA plant 57703

Cheyenne Prairie Generating Station

Cheyenne Prairie Generating Station is a oil & gas power facility in Cheyenne, WY, with 140 MW of operating capacity.

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Operating capacity140 MW4 operating generators
Proposed capacity120 MW3 proposed generators
UtilityBlack Hills Service Company LLCEIA-reported operator
Balancing authorityWACMWestern Area Power Administration - Rocky Mountain Region

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Oil & gas140 MW
Proposed
Oil & gas120 MW
Reported technologiesNatural Gas Fired Combined CycleNatural Gas Fired Combustion Turbine

Nearby in WY

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Source quality

Preliminary facility data

This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.

Read methodologyEIA-860 source