SHOREHAM

Operating

Oil power plant

Capacity
72 MW
Primary fuel
Oil
County
Suffolk County
Operator
NATIONAL GRID GENERATION LLC
Status
Operating
Commissioned
1966
EIA plant ID
2518
Generators
2
Technology
Petroleum Liquids
Net generation (2024)
0.353 GWh
Capacity factor (2024, EIA nameplate)
under 0.1%
Data vintage
EIA-860 2024 final; EIA-923 2022-2024 final
Coordinates
40.9616, -72.8650

See it on the map

SHOREHAM, a 72 MW Oil power plant in Suffolk County, New York. Operated by NATIONAL GRID GENERATION LLC, commissioned 1966.

How SHOREHAM compares

With 72 MW of capacity, SHOREHAM ranks 71st among the 320 operating power plants Bywatts maps in New York and 6th of the 20 operating Oil plants in the state. It accounts for about 1.6% of New York's operating Oil capacity and 0.2% of all operating capacity in the state. Nationally it is the 51st-largest of the 544 operating Oil plants in the database. Commissioned in 1966, it is older than 64% of the 312 operating New York plants with a recorded commissioning year. Its operator, NATIONAL GRID GENERATION LLC, runs 12 operating plants in New York totaling 3,945 MW. It shares Suffolk County with 24 other operating plants, including NORTHPORT and HOLTSVILLE.

EIA-860 lists 2 generators at the site with 72 MW of nameplate capacity, all petroleum liquids technology. Net generation was 0.353 GWh in 2024 (a capacity factor under 0.1%). Its generators came online between 1966 and 1971.

Grid neighborhood

The nearest named substation is WOODMONT, about 20.6 miles away; the closest transmission line found within 10 miles is a 138 kV line owned by LONG ISLAND POWER AUTHORITY, under 0.1 miles away. Another 20 operating power plants totaling 4,918 MW sit within 25 miles; the largest is NEW HAVEN HARBOR (642 MW, Oil). Within 50 miles are 4 mapped data centers; the nearest is Crown Castle Brentwood (1650 Islip) in Brentwood, about 22.2 miles away.

Computed by Bywatts from HIFLD power plant, substation and transmission line records, EIA-860/923 survey data and PeeringDB data center locations; distances are straight-line. Sources and methodology

Weather peril exposure

SHOREHAM is a 72 MW oil power plant in Suffolk County, NY, operated by NATIONAL GRID GENERATION LLC, commissioned in 1966. Suffolk County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.6 of 5 at the 15th national percentile. Coastal flooding is the leading peril, rated Very High by FEMA at the 86th percentile.

The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to an oil plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.

1.6 of 5Modeled catastrophe exposure
LowExposure band
Coastal floodingLeading peril
Relatively HighFEMA county risk rating

Suffolk County hazard ratings

PerilFEMA ratingNational percentilePeril scoreEvents per year
Coastal floodingVery High86th4.4 of 53.8
HurricaneRelatively High78th4.1 of 50.20
EarthquakeRelatively Moderate65th3.6 of 5<0.01
WildfireRelatively Low34th2.3 of 5<0.01
Ice stormVery High28th2.1 of 50.67
Winter weatherVery High19th1.7 of 510.3
TornadoRelatively Moderate12th1.5 of 50.47
LightningVery High9th1.4 of 523.8
Riverine floodingRelatively High9th1.4 of 53.5
Strong windRelatively High9th1.3 of 53.2
Heat waveRelatively Moderate6th1.3 of 53.9
HailRelatively Low3rd1.1 of 51.3

Model hail, wind and flood exposure for Suffolk County in the weather risk calculator

Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.

Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.