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SOLAR FARMSMammoth South Solar Project
Mammoth South Solar Project is a 300 MW under construction solar farm in Pulaski County, Indiana, operated by Mammoth South LLC.
Plant statusUnder construction
- Planning (completed)
- Consented (completed)
- Construction (current stage)
- OperatingTarget Oct 2026 (not yet reached)
- Closed (not yet reached)
Planned start of operation reported to EIA: Oct 2026.
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| MMTHS | Solar Photovoltaic | 300 MW | Under construction (over 50%) |
Plant details
- Operator
- Mammoth South LLC
- Location
- Pulaski County, Indiana
- Balancing authority
- PJM
- Sector
- IPP Non-CHP
- Capacity
- Under construction: 300 MW
- EIA plant ID
- 66545
Location
41.0953, -86.6916
Nearby power plants
- Mammoth Central II Solar FacilitySolar farms · 300 MW · 0.4 mi
- Mammoth Central Solar ProjectSolar farms · 300 MW · 1.1 mi
- Mayapple Solar 1Solar farms · 224 MW · 3.0 mi
- IMPA Winamac Solar ParkSolar farms · 3.3 MW · 6.6 mi
- Mammoth North SolarSolar farms · 400 MW · 7.8 mi
- Liberty I & II LFGTEBioenergy plants, Gas power plants · 12.8 MW · 14.5 mi
- Cavalry Solar HybridSolar farms, Battery storage · 245 MW · 15.1 mi
- Dunns Bridge II SolarSolar farms, Battery storage · 491 MW · 15.9 mi
- Dunns Bridge I SolarSolar farms · 265 MW · 17.3 mi
- R M SchahferCoal power plants, Gas power plants · 1,553 MW · 19.3 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