United States › Power plants › Battery storage › Oklahoma
BATTERY STORAGEWillow Creek Energy Storage
Willow Creek Energy Storage is a 200 MW under construction battery storage site in Pawnee County, Oklahoma, operated by Willow Creek Energy Storage, LLC.
Plant statusUnder construction
- Planning (completed)
- Consented (completed)
- Construction (current stage)
- OperatingTarget Dec 2026 (not yet reached)
- Closed (not yet reached)
Planned start of operation reported to EIA: Dec 2026.
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| WCB | Batteries | 200 MW | Under construction (up to 50%) |
Plant details
- Operator
- Willow Creek Energy Storage, LLC
- Location
- Pawnee County, Oklahoma
- Balancing authority
- SPA
- Sector
- IPP Non-CHP
- Capacity
- Under construction: 200 MW
- EIA plant ID
- 70408
Location
36.3896, -97.0278
Nearby power plants
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- Willow Creek Wind (OK)Wind farms · 220 MW · 10.8 mi
- Thunder Ranch Wind ProjectWind farms · 298 MW · 11.2 mi
- Stillwater Energy CenterGas power plants · 56.4 MW · 15.7 mi
- Ripley Energy CenterGas power plants · 419 MW · 20.2 mi
- Kaw HydroHydroelectric plants · 37.0 MW · 22.1 mi
- Ponca CityGas power plants · 134 MW · 23.0 mi
- King Plains Wind ProjectWind farms · 248 MW · 25.0 mi
- Osage Wind, LLCWind farms · 150 MW · 28.5 mi
- Charles D. Lamb Energy CenterGas power plants · 122 MW · 29.8 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