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GAS POWER PLANTSAtlantic Alumina, Gramercy Operations
Atlantic Alumina, Gramercy Operations is a 85.3 MW operating gas power plant in St James County, Louisiana, operated by Atalco Gramercy LLC.
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| GT4 | Natural Gas Fired Combustion Turbine | 25 MW | |
| ST1 | Natural Gas Steam Turbine | 19 MW | |
| ST2 | Natural Gas Steam Turbine | 19 MW | |
| GT3 | Natural Gas Fired Combustion Turbine | 16 MW | |
| ST3 | Natural Gas Steam Turbine | 7.2 MW | |
| GT1 | Natural Gas Fired Combustion Turbine | 16 MW | Retired |
| GT2 | Natural Gas Fired Combustion Turbine | 16 MW | Retired |
Plant details
- Operator
- Atalco Gramercy LLC
- Location
- St James County, Louisiana
- Balancing authority
- MISO
- Sector
- Industrial CHP
- Capacity
- Operating: 85.3 MW
Retired: 32.0 MW - First unit online
- Feb 1958
- EIA plant ID
- 50846
Location
30.0540, -90.6693
Nearby power plants
- Louisiana Sugar RefiningGas power plants · 6.7 MW · 0.9 mi
- St. James Solar (LA)Solar farms · 20.0 MW · 6.8 mi
- Mosaic Phosphates Uncle SamOther power plants · 26.0 MW · 9.6 mi
- Waterford 5Gas power plants · 820 MW · 11.9 mi
- Waterford 6Gas power plants · 820 MW · 11.9 mi
- Waterford 1 & 2Gas power plants, Oil-fired power plants · 487 MW · 12.1 mi
- Waterford 3Nuclear power plants · 1,200 MW · 12.5 mi
- St. Charles Power Station (LA)Gas power plants · 1,000 MW · 12.8 mi
- Little GypsyGas power plants · 1,003 MW · 12.9 mi
- Taft Cogeneration FacilityGas power plants · 894 MW · 13.3 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