United States › Power plants › Hydroelectric plants › Washington
HYDROELECTRIC PLANTSPEC Headworks
PEC Headworks is a 6.6 MW retired hydroelectric plant in Grant County, Washington, operated by Columbia Basin Hydropower.
Plant statusClosed
- Planning (completed)
- Consented (completed)
- Construction (completed)
- OperatingSep 1990 (completed)
- ClosedDec 2025 (current stage)
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| 1 | Conventional Hydroelectric | 6.6 MW | Retired |
Plant details
- Operator
- Columbia Basin Hydropower
- Location
- Grant County, Washington
- Balancing authority
- GCPD
- Sector
- Electric Utility
- Capacity
- Retired: 6.6 MW
- First unit online
- Sep 1990
- EIA plant ID
- 7113
Location
47.1596, -119.8963
Nearby power plants
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- WanapumHydroelectric plants · 1,220 MW · 20.1 mi
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- Penstemon Solar ProjectSolar farms · 5.0 MW · 32.0 mi
- Camas Solar ProjectSolar farms · 5.0 MW · 32.0 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