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HYDROELECTRIC PLANTSHaiwee Pumped Storage Project
Haiwee Pumped Storage Project is a 1,000 MW planned hydroelectric plant in Inyo County, California, operated by Premium Energy Holdings.
Plant statusIn planning
- Planning (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget Jul 2028 (not yet reached)
- Closed (not yet reached)
Planned start of operation reported to EIA: Jul 2028.
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| HL001 | Hydroelectric Pumped Storage | 250 MW | Planned, approvals not yet sought |
| HL002 | Hydroelectric Pumped Storage | 250 MW | Planned, approvals not yet sought |
| HL003 | Hydroelectric Pumped Storage | 250 MW | Planned, approvals not yet sought |
| HL004 | Hydroelectric Pumped Storage | 250 MW | Planned, approvals not yet sought |
Plant details
- Operator
- Premium Energy Holdings
- Location
- Inyo County, California
- Balancing authority
- LDWP
- Sector
- IPP Non-CHP
- Capacity
- Planned: 1,000 MW
- EIA plant ID
- 66686
Location
36.2331, -117.9625
Nearby power plants
- Munro Valley SolarSolar farms · 4.0 MW · 2.9 mi
- Owens Valley Solar Project 11Solar farms · 1.0 MW · 4.0 mi
- HaiweeHydroelectric plants · 5.6 MW · 8.5 mi
- CottonwoodHydroelectric plants · 1.6 MW · 15.2 mi
- Coso Finance PartnersGeothermal plants · 92.2 MW · 16.4 mi
- Mordor ES2Battery storage · 20.0 MW · 17.6 mi
- Coso Power DevelopersGeothermal plants · 90.0 MW · 17.6 mi
- Mordor ES1Battery storage · 25.0 MW · 17.6 mi
- Coso Battery StorageBattery storage · 60.0 MW · 17.8 mi
- Coso Energy DevelopersGeothermal plants · 90.0 MW · 18.7 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