130 MW Conventional Steam Coal (90 MW) + Natural Gas Fired Combustion Turbine (40 MW) operating in Campbell, WY — Western Area Power Administration - Rocky Mountain Region
130 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Conventional Steam Coal + Natural Gas Fired Combustion Turbine
1995
Operating Since
Coordinates
44.2856, -105.3833
County
Campbell, WY
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Black Hills Power, Inc. | Black Hills Power | — |
| Owner(s) | Black Hills Power, Inc. | Black Hills | — |
| Status | Operating | — | — |
Neil Simpson II is a 130 MW hybrid power plant located in Campbell County, Wyoming. The plant, which began operating in 1995, is owned by Black Hills and operated by Black Hills Power, Inc. It utilizes both conventional steam coal and natural gas-fired combustion turbine technologies. The plant consists of two generators and primarily runs on natural gas.
In the most recent year of reported data, Neil Simpson II generated 660,905 MWh of electricity, achieving a capacity factor of 57.9%. The plant operates within the Western Area Power Administration - Rocky Mountain Region balancing authority and the WECC NERC region. It is ranked as the 4th largest power plant out of 4 in Wyoming, and 857th out of 945 nationally.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
Western Area Power Administration - Rocky Mountain Region
Grid Voltage
69 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
60.9K MWh
Latest Month
660.9K MWh
Annual Generation
57.9%
Capacity Factor
No financial data available for this plant.
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
Last updated 2026-03-26
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