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COAL POWER PLANTS · OIL-FIRED POWER PLANTSW H Sammis
W H Sammis is a 2,468 MW retired power plant in Jefferson County, Ohio, operated by Energy Harbor Generation LLC.
Plant statusClosed
- Planning (completed)
- Consented (completed)
- Construction (completed)
- OperatingAug 1959 (completed)
- ClosedJun 2023 (current stage)
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| 6 | Conventional Steam Coal | 680 MW | Retired |
| 7 | Conventional Steam Coal | 680 MW | Retired |
| 5 | Conventional Steam Coal | 334 MW | Retired |
| 1 | Conventional Steam Coal | 190 MW | Retired |
| 2 | Conventional Steam Coal | 190 MW | Retired |
| 3 | Conventional Steam Coal | 190 MW | Retired |
| 4 | Conventional Steam Coal | 190 MW | Retired |
| A1 | Petroleum Liquids | 2.5 MW | Retired |
| B1 | Petroleum Liquids | 2.5 MW | Retired |
| B2 | Petroleum Liquids | 2.5 MW | Retired |
| B3 | Petroleum Liquids | 2.5 MW | Retired |
| B4 | Petroleum Liquids | 2.5 MW | Retired |
Plant details
- Operator
- Energy Harbor Generation LLC
- Location
- Jefferson County, Ohio
- Balancing authority
- PJM
- Sector
- IPP Non-CHP
- Capacity
- Retired: 2,468 MW
- First unit online
- Aug 1959
- EIA plant ID
- 2866
Location
40.5317, -80.6319
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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