United States › Power plants › Coal power plants › Wyoming
COAL POWER PLANTSNeil Simpson
Neil Simpson is a 21.7 MW retired coal power plant in Campbell County, Wyoming, operated by Black Hills Power, Inc..
Plant statusClosed
- Planning (completed)
- Consented (completed)
- Construction (completed)
- OperatingMay 1959 (completed)
- ClosedMar 2014 (current stage)
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| 5 | Conventional Steam Coal | 22 MW | Retired |
Plant details
- Operator
- Black Hills Power, Inc.
- Location
- Campbell County, Wyoming
- Balancing authority
- WACM
- Sector
- Electric Utility
- Capacity
- Retired: 21.7 MW
- First unit online
- May 1959
- EIA plant ID
- 4150
Location
44.2872, -105.3878
Nearby power plants
- Wygen 1Coal power plants · 90.0 MW · 0.2 mi
- Neil Simpson IICoal power plants, Gas power plants · 130 MW · 0.2 mi
- WyodakCoal power plants · 362 MW · 0.4 mi
- Wygen 2Coal power plants · 95.0 MW · 0.5 mi
- Neil Simpson Gas Turbine #2Gas power plants · 40.0 MW · 0.5 mi
- Wygen IIICoal power plants · 116 MW · 0.5 mi
- Dry Fork StationCoal power plants · 484 MW · 7.9 mi
- HartzogGas power plants · 22.5 MW · 32.4 mi
- Barber CreekGas power plants · 22.5 MW · 43.4 mi
- ArvadaGas power plants · 15.0 MW · 45.2 mi
Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem