Power plants in Suffolk County, New York
55 operating power plants in Suffolk County, New York, with 4,330 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Plants
55
Nameplate capacity
4,330 MW
Net generation, 2025
8.98 TWh
53 of 55 plants reported
Largest power plants in Suffolk County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | NorthportNatural gas | 1,564 | 4,089 | 29.8% |
| 2 | HoltsvilleOil | 567 | 38.7 | 0.8% |
| 3 | Port JeffersonNatural gas | 498 | 338 | 7.7% |
| 4 | Caithness Long Island Energy CenterNatural gas | 349 | 2,388 | 78.1% |
| 5 | Wading RiverOil | 239 | 16.8 | 0.8% |
| 6 | Richard M FlynnNatural gas | 170 | 347 | 23.3% |
| 7 | South Fork WindWind | 130 | 536 | 47.1% |
| 8 | Edgewood Energy LLCNatural gas | 100 | 32.1 | 3.7% |
| 9 | Shoreham Energy LLCOil | 100 | 4.2 | 0.5% |
| 10 | Pinelawn Power LLCNatural gas | 82 | 91.4 | 12.7% |
| 11 | ShorehamOil | 72 | 1.0 | 0.2% |
| 12 | Hawkeye Energy Greenport LLCOil | 54 | 24.9 | 5.3% |
| 13 | BrentwoodNatural gas | 47 | 41.3 | 10.0% |
| 14 | Stony Brook Cogen PlantNatural gas | 47 | 285 | 69.1% |
| 15 | Long Island Solar Farm LLCSolar | 32 | 42.8 | 15.5% |
| 16 | Huntington Resource Recovery FacilityMunicipal solid waste | 28 | 198 | 80.7% |
| 17 | East HamptonOil | 27 | 10.9 | 4.5% |
| 18 | Shoreham Solar CommonsSolar | 25 | 44.1 | 20.2% |
| 19 | Calverton Solar Energy CenterSolar | 23 | 41.7 | 20.8% |
| 20 | Riverhead Solar FarmSolar | 20 | 33.4 | 19.1% |
| 21 | Reworld Babylon IncMunicipal solid waste | 17 | 124 | 83.3% |
| 22 | SoutholdOil | 14 | 0.5 | 0.4% |
| 23 | MacArthur Waste to Energy FacilityMunicipal solid waste | 13 | 54.6 | 49.8% |
| 24 | South HamptonOil | 12 | 0.2 | 0.2% |
| 25 | Leavenworth Greenworks LLCSolar | 9.5 | 17.7 | 21.2% |
| 26 | SL BabylonSolar | 9.0 | 14.1 | 17.8% |
| 27 | SWM Fuel CellNatural gas | 8.4 | 57.1 | 77.6% |
| 28 | GreenportOil | 6.8 | 0.0 | 0.0% |
| 29 | Orbit Bloom Fuel CellNatural gas | 6.0 | 44.4 | 84.4% |
| 30 | Sutter Greenworks LLCSolar | 5.0 | 8.3 | 19.0% |
| 31 | East Hampton Energy Storage CenterBattery storage | 5.0 | −0.4 | – |
| 32 | Montauk Energy Storage CenterBattery storage | 5.0 | −0.7 | – |
| 33 | Brookhaven Landfill Solar Farm 1Solar | 5.0 | 1.2 | – |
| 34 | Kearsarge SouthamptonSolar | 4.5 | – | – |
| 35 | CohalanSolar | 4.0 | 4.9 | 13.9% |
| 36 | CalvertonSolar | 3.0 | 4.4 | 16.8% |
| 37 | Fishers Island 1Oil | 2.6 | 0.1 | 0.6% |
| 38 | William Floyd School DistrictNatural gas | 2.6 | 3.2 | 9.4% |
| 39 | Deer ParkSolar | 2.5 | 3.5 | 16.0% |
| 40 | DennisonSolar | 2.0 | 2.4 | 13.7% |
| 41 | Kings Park Solar ISolar | 2.0 | 2.4 | 13.8% |
| 42 | Kings Park Solar IISolar | 2.0 | 2.5 | 14.3% |
| 43 | Lincoln Ave Solar ProjectSolar | 2.0 | 3.0 | 17.1% |
| 44 | Patchogue ESSBattery storage | 2.0 | −0.0 | – |
| 45 | RiverheadSolar | 1.5 | 1.7 | 13.2% |
| 46 | Blydenburgh Solar ProjectSolar | 1.5 | 2.8 | 21.6% |
| 47 | Four Seasons LI CSGSolar | 1.5 | – | – |
| 48 | Sterlington Greenworks LLCSolar | 1.3 | 2.1 | 18.6% |
| 49 | Calabro Airport North Solar ProjectSolar | 1.3 | 2.2 | 19.5% |
| 50 | Holtsville Solar ProjectSolar | 1.2 | 2.0 | 19.3% |
| 51 | Calabro Airport South Solar ProjectSolar | 1.2 | 2.2 | 20.9% |
| 52 | South Oaks HospitalNatural gas | 1.0 | 7.1 | 81.0% |
| 53 | North CountySolar | 1.0 | 1.2 | 13.2% |
| 54 | ATT JerichoNatural gas | 1.0 | 8.5 | 96.6% |
| 55 | Holtsville Coast Solar ProjectSolar | 1.0 | 0.0 | – |
MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources
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