Power plants in Nassau County, New York
12 operating power plants in Nassau County, New York, with 1,443 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Largest power plants in Nassau County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | E F BarrettNatural gas | 669 | 1,170 | 20.0% |
| 2 | Bethpage Power PlantNatural gas | 240 | 819 | 39.0% |
| 3 | Equus Freeport PowerNatural gas | 120 | 60.1 | 5.7% |
| 4 | GlenwoodOil | 110 | 4.6 | 0.5% |
| 5 | Glenwood LandingNatural gas | 106 | 137 | 12.8% |
| 6 | Plant No 2 FreeportNatural gas and oil | 79 | 33.3 | 4.8% |
| 7 | Covanta HempsteadMunicipal solid waste | 79 | 587 | 85.3% |
| 8 | Charles P KellerNatural gas | 29 | 1.0 | 0.4% |
| 9 | Plant No 1 FreeportOil | 6.0 | 0.0 | 0.0% |
| 10 | Bloom-Altice Fuel CellNatural gas | 2.0 | 16.5 | 93.9% |
| 11 | Altice - HicksvilleNatural gas | 2.0 | 15.3 | 87.2% |
| 12 | Cedar Creek PVSolar | 1.8 | 3.0 | 18.9% |
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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Other counties in New York
St Lawrence County66 plants · 1,307 MWSuffolk County55 plants · 4,330 MWOrange County53 plants · 2,745 MWOneida County39 plants · 237 MWSaratoga County37 plants · 556 MWOnondaga County34 plants · 348 MWJefferson County33 plants · 256 MWMonroe County32 plants · 288 MWAlbany County31 plants · 1,505 MW