United States βΊ Power plants βΊ Hydroelectric plants βΊ North Dakota
HYDROELECTRIC PLANTSGarrison
Garrison is a 583 MW operating hydroelectric plant in Mercer County, North Dakota, operated by USACE-Omaha.
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Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| 1 | Conventional Hydroelectric | 122 MW | |
| 2 | Conventional Hydroelectric | 122 MW | |
| 3 | Conventional Hydroelectric | 122 MW | |
| 4 | Conventional Hydroelectric | 109 MW | |
| 5 | Conventional Hydroelectric | 109 MW |
Plant details
- Operator
- USACE-Omaha
- Location
- Mercer County, North Dakota
- Balancing authority
- SWPP
- Sector
- Electric Utility
- Capacity
- Operating: 583 MW
- First unit online
- Jan 1956
- EIA plant ID
- 2815
Location
47.4945, -101.4115
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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