United States › Power plants › Solar farms › Oklahoma
SOLAR FARMSTwelvemile Solar 3
Twelvemile Solar 3 is a 200 MW under construction solar farm in Mayes County, Oklahoma, operated by Leeward Asset Management, 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 |
|---|---|---|---|
| TS03 | Solar Photovoltaic | 200 MW | Under construction (over 50%) |
Plant details
- Operator
- Leeward Asset Management, LLC
- Location
- Mayes County, Oklahoma
- Balancing authority
- SWPP
- Sector
- IPP Non-CHP
- Capacity
- Under construction: 200 MW
- EIA plant ID
- 68089
Location
36.3316, -95.2293
Nearby power plants
- Saltbranch Solar 1Solar farms · 73.0 MW · 0.0 mi
- Saltbranch 2Solar farms · 73.0 MW · 0.0 mi
- Twelvemile Solar 1Solar farms · 152 MW · 0.0 mi
- Twelvemile Solar 2Solar farms · 52.2 MW · 0.0 mi
- MarkhamHydroelectric plants · 128 MW · 7.4 mi
- ChouteauGas power plants · 1,070 MW · 8.0 mi
- SalinaHydroelectric plants · 259 MW · 8.4 mi
- GRECCoal power plants, Gas power plants · 1,788 MW · 10.3 mi
- Huckleberry SolarSolar farms · 125 MW · 10.8 mi
- Mayes County SolarSolar farms · 102 MW · 11.3 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