United States › Power plants › Coal power plants › Pennsylvania
COAL POWER PLANTSFirstEnergy Armstrong Power Station
FirstEnergy Armstrong Power Station is a 326 MW retired coal power plant in Armstrong County, Pennsylvania, operated by Allegheny Energy Supply Co LLC.
Plant statusClosed
- Planning (completed)
- Consented (completed)
- Construction (completed)
- OperatingApr 1958 (completed)
- ClosedSep 2012 (current stage)
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| 1 | Conventional Steam Coal | 163 MW | Retired |
| 2 | Conventional Steam Coal | 163 MW | Retired |
Plant details
- Operator
- Allegheny Energy Supply Co LLC
- Location
- Armstrong County, Pennsylvania
- Balancing authority
- PJM
- Sector
- IPP Non-CHP
- Capacity
- Retired: 326 MW
- First unit online
- Apr 1958
- EIA plant ID
- 3178
Location
40.9292, -79.4656
Nearby power plants
- Allegheny Hydro No 8Hydroelectric plants · 13.6 MW · 2.4 mi
- Allegheny Hydro No 9Hydroelectric plants · 17.8 MW · 4.8 mi
- Mahoning Creek Hydroelectric ProjectHydroelectric plants · 6.0 MW · 9.6 mi
- Kittanning - PA 0406 (Hoeter B)Solar farms · 3.0 MW · 10.1 mi
- Kittanning - PA 0407 (Hoeter C)Solar farms · 3.0 MW · 10.1 mi
- Kittanning - PA 0383 (Hoeter)Solar farms · 3.0 MW · 10.1 mi
- CVE US PA Dayton 379Solar farms · 3.0 MW · 10.5 mi
- Dayton - PA 0404 (Good East)Solar farms · 2.5 MW · 10.5 mi
- Monroe - PA 0485 (Lawrence)Solar farms · 2.4 MW · 13.0 mi
- Monroe - PA 0486 (Acey)Solar farms · 3.0 MW · 14.0 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