Power plant · New York, United States
Port Jefferson
Port Jefferson is a power plant in New York, United States, with 498 MW of capacity, owned by National Grid Generation LLC.
Facts
Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.
| Fact | Value | Source |
|---|---|---|
| Location | New York | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Status | Operating | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Start year | 1958 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | National Grid Generation LLC | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Operator | National Grid Generation LLC | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Capacity | 498 MW | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Technology | Natural Gas Steam Turbine | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Coordinates | 40.9497, -73.0785 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
Research on this power plant and its owner.Who owns it up to the parent company, its grid connection and planning status, and an introduction to the owner.
Request researchHow it compares
Port Jefferson is the 28th-largest of 29 power plants in New York and the 735th-largest of 800 in the United States by capacity; its 498 MW is <0.1% of the 839,036 MW we hold for the United States. Ranks and totals cover the power plants in our data that report their capacity, not every one in existence. Power plants planned, permitted or under construction are ranked apart.
| Within | Rank | Total | Share |
|---|---|---|---|
| New York | 28th of 29 | 29,378 MW | 1.7% |
| United States | 735th of 800 | 839,036 MW | <0.1% |
| All power plants in our data | 843rd of 12,032 | 1,190,447 MW | <0.1% |
Nearby
Within 50 km of this power plant: 4 data centers and 3 mines (2 operating), measured from the coordinates in the facts above. The table shows the nearest 6, up to 3 per kind.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Cable & Wireless Cable Landing Station | Data center | — | — | 20 km |
| K P Edwards Materials | Mine | — | Closed | 27 km |
| CyrusOne data center, Norwalk | Data center | — | — | 32 km |
| Digital Realty New York HVN10 | Data center | — | — | 33 km |
| Huntington Ready Mix | Mine | — | Operating | 34 km |
| North Branford Quarry | Mine | — | Operating | 49 km |
Owner, operator and place
More from National Grid Generation LLC
- Northport1,564 MW
- E F Barrett669 MW
- Holtsville567 MW
Other power plants in New York
- Robert Moses Niagara2,429 MW
- Ravenswood2,096 MW
- Nine Mile Point Nuclear Station1,901 MW
- Oswego Harbor Power1,804 MW
- Northport1,564 MW
- Cricket Valley Energy1,313 MW
- Bowline Point1,242 MW
- Roseton Generating Facility1,242 MW
Data on this page
- Contains public sector information licensed under the Open Government Licence v3.0. DESNZ Renewable Energy Planning Database (REPD), Open Government Licence v3.0.
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- JRC Open Power Plants Database (JRC-PPDB-OPEN), European Commission, Joint Research Centre. JRC Open Power Plants Database (JRC-PPDB-OPEN), CC BY 4.0.
- Bundesnetzagentur, Marktstammdatenregister. Marktstammdatenregister, DL-DE-BY-2.0.
- MSHA Mines Data Set. MSHA Mines Data Set, Public domain.
- Dutch power station owners' and operators' pages. Dutch power station owners' and operators' pages, Facts only, each linked to its page.
- © OpenStreetMap contributors. OpenStreetMap data centers, ODbL 1.0.
- Contains public sector information licensed under the Open Government Licence v3.0. Planning Inspectorate: National Infrastructure Projects, Open Government Licence v3.0.
- RVO SDE(+)(+) projecten in beheer and SDE viewer. RVO SDE(+)(+) projecten in beheer and SDE viewer, Free reuse, no attribution required.