Nine Mile Point
Nine Mile Point is a natural gas plant in Jefferson Parish, Louisiana, operated by Entergy Louisiana LLC. By nameplate capacity it is the 38th-largest power plant in the United States and the largest in Louisiana. Among the 1,961 natural gas plants in the country it is the ninth-largest. The operator has reported planned retirement dates for 1,790 MW of it, between 2031 and 2033.
Nameplate capacity, 2025
2,440 MW
5 operable units
- Gas steam turbine1,790 MW73%
- Gas combined cycle650 MW27%
Unit by unit, 1951 to 2025
operating in 2025retiredreported planned retirementbar height follows unit size
Unit 1 Gas steam turbine, 69 MW, 1951–2011
Unit 2 Gas steam turbine, 112 MW, 1953–2011
Unit 3 Gas steam turbine, 170 MW, 1955–2016
Unit 6(4) Gas steam turbine, 895 MW, 1971
Unit 5 Gas steam turbine, 895 MW, 1973
Unit 6A Gas combined cycle, 195 MW, 2014
Unit 6B Gas combined cycle, 195 MW, 2014
Unit 6C Gas combined cycle, 260 MW, 2014
Among Louisiana’s plants
Largest plants in the state by nameplate capacity, with the plants ranked next to this one.
- 1Nine Mile Pointthis plant
- 2Big Cajun 21,903 MW
- 3Brame Energy Center1,707 MW
Other rankings
- Natural gas plants in Louisiana
- 1st of 50
- Plants in the MISO (Midcontinent) balancing area
- 3rd of 2,383
- Plants run by Entergy Louisiana LLC
- 1st of 15
- Biggest single unit, among Louisiana’s plants
- 3rd of 97
Operable units
Four units can switch between natural gas and oil.
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| 6(4) | Gas steam turbine | 895 MW | 723 MW | 1971 | Operating, retirement planned for 2031 |
| 5 | Gas steam turbine | 895 MW | 743 MW | 1973 | Operating, retirement planned for 2033 |
| 6A | Gas combined cycle | 195 MW | 168 MW | 2014 | Operating |
| 6B | Gas combined cycle | 195 MW | 168 MW | 2014 | Operating |
| 6C | Gas combined cycle | 260 MW | not reported | 2014 | Operating |
Retired units
Retired capacity here totals 351 MW, mostly natural gas units.
| Unit | Technology | Nameplate | In service |
|---|---|---|---|
| 1 | Gas steam turbine | 69 MW | 1951–2011 |
| 2 | Gas steam turbine | 112 MW | 1953–2011 |
| 3 | Gas steam turbine | 170 MW | 1955–2016 |
Grid and site
- Balancing area
- MISO (Midcontinent)
- Reliability region
- SERC Reliability Corporation
- Highest grid connection voltage
- 230 kV
- Water source
- Mississippi River
- Nearest town on record
- Westwego
- Operator type
- Utility
- Coordinates
- 29.947°N, 90.146°W
Closest plants
| Plant | Runs on | Capacity | Distance |
|---|---|---|---|
| TCI France | Solar | 1.5 MW | 7.4 mi east |
| TCI Alvar | Solar | 1.9 MW | 7.7 mi northeast |
| ENO Paterson Solar | Solar | 1.1 MW | 8.5 mi northeast |
| Domino Sugar Arabi Plant | Natural gas | 14 MW | 8.6 mi east |
| CII Carbon LLC | Other sources | 46 MW | 10.1 mi east |
| Chalmette Refining LLC | Other sources | 5.7 MW | 10.5 mi east |
| Oak Point Cogen | Natural gas | 23.5 MW | 12.5 mi southeast |
| New Orleans Power | Natural gas | 132 MW | 13.2 mi east |