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180 MW Natural Gas Fired Combined Cycle (100 MW) + Natural Gas Fired Combustion Turbine (80 MW) operating in Laramie, WY
180 MW
Nameplate Capacity
5
Generators
units
Hybrid (2)
Technology
Natural Gas Fired Combined Cycle + Natural Gas Fired Combustion Turbine
2014
Operating Since
Coordinates
41.1228, -104.7213
County
Laramie, WY
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Black Hills Service Company LLC | Cheyenne Light Fuel & Power | — |
| Owner(s) | Black Hills Power, Inc., Black Hills Service Company LLC, Cheyenne Light Fuel & Power | Black Hills | — |
| Status | Operating | — | — |
Cheyenne Prairie Generating Station is a 140 MW natural gas-fired hybrid power plant located in Laramie County, Wyoming. The plant, which began operating in 2014, is owned by Black Hills and operated by Black Hills Service Company LLC. It consists of four generators utilizing both natural gas-fired combined cycle and natural gas-fired combustion turbine technologies. The plant operates within the Western Area Power Administration - Rocky Mountain Region balancing authority and the WECC NERC region. It is ranked as the 3rd largest of 4 power plants in Wyoming, and 842nd nationally out of 945 plants.
The plant's latest annual generation was 501,703 MWh, resulting in a capacity factor of 40.9%. Financial data indicates an installed cost of $910.81 per kW, according to FERC filings.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
Bilateral Market
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Western Area Power Administration - Rocky Mountain Region (WACM)
Grid Voltage
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
Independent Power Producer
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
54.2K MWh
Latest Month
501.7K MWh
Annual Generation
40.9%
Capacity Factor
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CO₂ Intensity
930 lb/MWh
NOx
0.065 lb/MWh
SO₂
0.005 lb/MWh
CH₄
0.017 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
34.4%
Annual Net Gen
422 GWh
CO₂eq
931 lb/MWh
Subregion
WECC Rockies
Combined cycle · Black Hills Power, Inc. · Data from 2015–2024
$1,162/kW
Installed Cost
$-33/kW
Annual CapEx
$31.0/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-05-31
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