Preliminary 2025 facility recordOperating

Yaphank, NY · EIA plant 56234

Caithness Long Island Energy Center

Caithness Long Island Energy Center is a oil & gas power facility in Yaphank, NY, with 349 MW of operating capacity.

Operating capacity349 MW2 operating generators
Proposed capacity0 MW0 proposed generators
UtilityCaithness Long Island, LLCEIA-reported operator
Balancing authorityNYISNew York Independent System Operator

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Oil & gas349 MW
ProposedNo proposed capacity reported
Reported technologiesNatural Gas Fired Combined Cycle

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