Wygen 1 — Plant Summary
- EIA Plant ID
- 55479
- Capacity
- 90 MW
- Primary Fuel
- Coal
- Technology
- Conventional Steam Coal
- Status
- Operating
- Location
- Campbell, WY
- Operating Since
- 2003
- Generators
- 1
- Operator
- Black Hills Ontario LLC
- Parent Company
- —
- Annual Generation
- 539,116 MWh
- Capacity Factor
- 68.4%
- Balancing Authority
- Western Area Power Administration - Rocky Mountain Region
- ISO/RTO
- —
- NERC Region
- WECC
Wygen 1
OperatingSub. Coal
Ranked #9 of 10 Sub. Coal plants in WY#90 of 103 nationally
90 MW Sub. Coal operating in Campbell, WY — Western Area Power Administration - Rocky Mountain Region
EIAWD
90 MW
Nameplate Capacity
1
Generators
unit
Conventional Steam Coal
Technology
2003
Operating Since
Location
Coordinates
44.2858, -105.3833
County
Campbell, WY
Nearby Plants
- Neil Simpson IINatural Gas130 MW · 0.0 km
- Neil Simpson Gas Turbine #2Natural Gas40 MW · 0.4 km
- WyodakSub. Coal362.1 MW · 0.5 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Black Hills Ontario LLC | — | — |
| Owner(s) | Black Hills Wyoming Inc, Municipal Energy Agency of NE | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Wygen 1 is a 90 MW coal-fired power plant located in Campbell County, Wyoming. The plant began operating in 2003 and utilizes conventional steam coal technology with subbituminous coal (SUB) as its primary fuel. It consists of a single generator. The plant is owned and operated by Black Hills Ontario LLC. Wygen 1 operates within the Western Area Power Administration - Rocky Mountain Region balancing authority and the WECC NERC region.
In the most recent year of reported data, Wygen 1 generated 539,116 MWh of electricity, achieving a capacity factor of 68.4%. The plant is ranked as the 8th largest out of 9 power plants in Wyoming, and 77th out of 89 coal plants nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Western Area Power Administration - Rocky Mountain Region
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
—
Sector
IPP Non-CHP
Generation
45.8K MWh
Latest Month
539.1K MWh
Annual Generation
68.4%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
General
Wygen III power plant begins commercial operations in Wyoming
Black Hills Corporation on April 1 announced that Wygen III, Black Hills Power's 110-megawatt coal-fired generation facility near Gillette,...
Reliable Plant·11 months ago
Industry·corporate
Column: Here are the 32 coal plants still powering the American West
Over the last two decades, 21 coal-fired power plants have shut down across the Western U.S.. Twenty-one down, 32 to go.
Los Angeles Times·1 years ago
General
Despite staggering costs and logistic challenges, carbon capture studies at Wyoming coal plants advance
Rocky Mountain Power and Black Hills Energy already tap Wyoming ratepayers to pay for state-mandated studies, and will look to government subsidies to defray...
WyoFile·1 years ago
Industry·corporate
Despite staggering costs and logistic challenges, carbon capture studies at Wyoming coal plants advance
Rocky Mountain Power and Black Hills Energy already tap Wyoming ratepayers to pay for state-mandated studies, and will look to government subsidies to defray...
Rocky Mountain Power (operator)Black Hills Energy (operator)
WyoFile·1 years ago
Last updated 2026-03-26
View all 10 articles