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116 MW Sub. Coal operating in Campbell, WY — Western Area Power Administration - Rocky Mountain Region
116 MW
Nameplate Capacity
1
Generators
unit
Conventional Steam Coal
Technology
2010
Operating Since
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Black Hills Power, Inc. | Montana-Dakota Utilities | — |
| Owner(s) | Black Hills Power, Inc., City Of Gillette, Montana-Dakota Utilities Co | small shareholder(s) | — |
| Status | Operating | — | — |
Wygen III is a 116 MW coal-fired power plant located in Campbell County, Wyoming. The plant began operating in 2010 and utilizes conventional steam coal technology with subbituminous coal (SUB) as its primary fuel. It consists of a single generator. Black Hills Power, Inc. is the plant's operator, though ownership is attributed to small shareholder(s). Wygen III ranks 6th out of 6 coal plants in Wyoming based on capacity, and 73rd out of 75 nationally.
The plant's latest annual generation was 670,650 MWh, resulting in a capacity factor of 65.7%. The plant operates within the Western Area Power Administration - Rocky Mountain Region balancing authority and the WECC NERC region. Financial data indicates an installed cost of $1253.27 per kW, based on 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
65.8K MWh
Latest Month
670.6K MWh
Annual Generation
65.7%
Capacity Factor
CO₂ Intensity
2408 lb/MWh
NOx
0.511 lb/MWh
SO₂
Steam turbine · Black Hills Power, Inc. · Data from 2015–2024
$1,439/kW
Installed Cost
$17/kW
Annual CapEx
$34.3/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
Last updated 2026-03-14
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ask pi about Wygen IIIWestern Area Power Administration - Rocky Mountain Region (WACM)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
0.459 lb/MWh
CH₄
0.279 lb/MWh
N₂O
0.041 lb/MWh
Capacity Factor
78.2%
Annual Net Gen
795 GWh
CO₂eq
2426 lb/MWh
Subregion
WECC Rockies