PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/2517
EIA plant 2517
Port Jefferson · Suffolk · NY
Port Jefferson
Operated by National Grid Generation LLC
Published location
Where is Port Jefferson?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
40.949696, -73.078507
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Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 22,712 MWh |
| 2 | 4,341 MWh |
| 3 | 5,943 MWh |
| 4 | 9,221 MWh |
| 5 | 29,918 MWh |
| 6 | 80,838 MWh |
| 7 | 107,353 MWh |
| 8 | 43,306 MWh |
| 9 | 5,699 MWh |
| 10 | 11,981 MWh |
| 11 | 3,678 MWh |
| 12 | 1,994 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| 3 | Natural Gas Steam Turbine | NG | 188 | OP |
| 4 | Natural Gas Steam Turbine | NG | 188 | OP |
| GT2 | Natural Gas Fired Combustion Turbine | NG | 53 | OP |
| GT3 | Natural Gas Fired Combustion Turbine | NG | 53 | OP |
| GT1 | Petroleum Liquids | DFO | 16 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
2517
Sector
Electric Utility
Water source
Long Island Sound
Data edition
2024-final