USUS Grid ExplorerInfrastructure intelligence
Preliminary 2025 facility recordOperating

Port Jefferson, NY · EIA plant 2517

Port Jefferson

Port Jefferson is a oil & gas power facility in Port Jefferson, NY, with 498 MW of operating capacity.

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Operating capacity498 MW5 operating generators
Proposed capacity0 MW0 proposed generators
UtilityNational Grid Generation LLCEIA-reported operator
Balancing authorityNYISNew York Independent System Operator

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Oil & gas498 MW
ProposedNo proposed capacity reported
Reported technologiesNatural Gas Fired Combustion TurbineNatural Gas Steam TurbinePetroleum Liquids

Nearby in NY

Related facilities

NY · 3.5 miStony Brook Cogen Plant47 MW →NY · 9.2 miHoltsville567 MW →NY · 9.3 miRichard M Flynn170 MW →NY · 10.0 miShoreham Solar Commons25 MW →

Source quality

Preliminary facility data

This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.

Read methodologyEIA-860 source