Southold

Power plant · Oil

Key facts

Power plant · Oil Operating

Commissioned: 1964
Net generation, 2025: 483 MWh
Grid: 69 kV to Long Island Power Authority (NYIS)
Location: Suffolk County, New York
Operated by: National Grid Generation LLCSourceEIA-860M Preliminary Monthly Electric Generator Inventory

Net generation MWh by year, 2001 to 2025

Fuel burned MMBtu by year, 2001 to 2025

No companies named in filings yet.

Interested in this project?

Our team gets you what you need.

Beta: private project space · data room · readiness check

Technology: Oil source: “Petroleum Liquids”
Age: 62 years since 1964
Unused energy: 122 GWh 2025Unused energyA lead, not a guarantee: MW × hours × (1 − capacity factor) for the latest year (EIA-923), gas, coal and oil plants only. Air-permit run-hour caps, heat rate (cost to run) and capacity-market or reliability obligations can rule it out.
Heat rate: 23,284 Btu/kWh 2025

All 6 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory

Attributes
Attribute	Value
Grid	Nerc region NPCC Report year 2025 Grid voltage kv 69 Transmission owner Long Island Power Authority Balancing authority code NYIS Balancing authority name New York Independent System Operator
Fuel burned (MMBtu), 2025	11,246
Capacity factor, 2025	0.004
Heat rate (Btu/kWh), 2025	23,283.6
Net generation (MWh), 2025	483
Balancing authority code	NYIS

3 sources

Sources

EIA-860MOpen license · retrieved Nov 4, 2026
EIAOpen license · retrieved Nov 1, 2026Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
EIA-860M Preliminary Monthly Electric Generator Inventory