Summary of Electricity Activity in Nassau County, NY
Summary of Nassau County, NY Generation
Nassau County, NY is ranked #442 out of 2,164 U.S. counties nationwide and #12 out of 59 New York counties in terms of total annual net electricity generation.
| Annual Generation | 2.6 TWh |
|---|---|
| Annual Consumption | 34.6 M MMBtu |
| Last Update | Sep 2025 |
| Power Plants | 24 |
| Companies on File | 20 |
Map of Top Producing Plants in Nassau County, NY
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Annual Net Generation From natural gas power
1.9 TWh
National Rank in Terms of natural gas Net Electricity Generation
#256 /929 U.S. Counties
State Rank in Terms of natural gas Net Electricity Generation
#13 /36 New York Counties
Monthly Net Generation for Nassau County, NY
Net Generation by Fuel Source
Net Generation by Fuel Source Breakdown
| State Rank | National Rank | Generation | Fuel Consumption | |
|---|---|---|---|---|
| All | #12 / 59 | #442 / 2164 | 2.57 TWh | 34.62 M MMBtu |
| Natural Gas | #13 / 36 | #256 / 929 | 1.93 TWh | 23.04 M MMBtu |
| NON-Biogenic Municipal Solid Waste | #1 / 8 | #4 / 50 | 325.76 GWh | 6.10 M MMBtu |
| Biogenic Municipal Solid Waste | #1 / 8 | #4 / 50 | 266.53 GWh | 4.99 M MMBtu |
| Distillate Fuel Oil | #4 / 17 | #53 / 737 | 26.37 GWh | 353.80 k MMBtu |
| Residual Fuel Oil | #5 / 7 | #19 / 48 | 11.81 GWh | 128.00 k MMBtu |
| Kerosene | #3 / 5 | #4 / 18 | 6.95 GWh | 6.35 k MMBtu |
| Solar | #55 / 57 | #1099 / 1233 | 2.78 GWh | 9.72 k MMBtu |
Power Plants in Nassau County, NY
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| E F Barrett | National Grid Generation LLC | 1.2 TWh | 15.4 M MMBtu | Natural Gas : 98.8% Residual Fuel Oil : 1.0% |
| Covanta Hempstead | Covanta Hempstead Company | 593.5 GWh | 11.1 M MMBtu | Non-biogenic Municipal Solid Waste : 54.9% Biogenic Municipal Solid Waste : 44.9% |
| Bethpage Power Plant | Calpine Eastern Corp | 573.5 GWh | 5.8 M MMBtu | Natural Gas |
| Glenwood Landing | National Grid Generation LLC | 129.2 GWh | 1.7 M MMBtu | Natural Gas : 84.2% Distillate Fuel Oil : 15.8% |
| Equus Freeport Power | Equus Power I, L.P. | 45.4 GWh | 88.1 k MMBtu | Natural Gas : 84.9% Kerosene : 15.1% |
| Plant No 2 Freeport | Village of Freeport - (NY) | 31.1 GWh | 327.3 k MMBtu | Natural Gas : 99.7% |
| Altice - Hicksville | Bloom Energy | 16.0 GWh | 123.1 k MMBtu | Natural Gas |
| Bloom-Altice Fuel Cell | AEP Onsite Partners, LLC | 15.6 GWh | 119.2 k MMBtu | Natural Gas |
| Cedar Creek PV | AES Distributed Energy | 2.8 GWh | 9.7 k MMBtu | Solar |
| Glenwood | National Grid Generation LLC | 2.6 GWh | 46.6 k MMBtu | Distillate Fuel Oil |
| Charles P Keller | Village of Rockville Centre - (NY) | 123.0 MWh | 3.7 k MMBtu | Natural Gas : 81.4% Distillate Fuel Oil : 18.6% |
| Plant No 1 Freeport | Village of Freeport - (NY) | 17.0 MWh | 238 MMBtu | Distillate Fuel Oil |
| Mount Sinai South Nassau Hospital | Mount Sinai South Nassau Hospital | 10.8 MWh | 289 MMBtu | Distillate Fuel Oil |
| SUNY Old Westbury College | SUNY Old Westbury College | 0.0 Wh | 0 MMBtu | No Information Available |
| Clermont | Hecate Grid Clermont 1 LLC | 0.0 Wh | 0 MMBtu | No Information Available |
| Farmingdale Fuel Cell | Farmingdale Fuel Cell, LLC | 0.0 Wh | 0 MMBtu | No Information Available |
| Hecate Grid Intrepid | Hecate Grid Intrepid 1 LLC | 0.0 Wh | 0 MMBtu | No Information Available |
| Hofstra University | Hofstra University | 0.0 Wh | 0 MMBtu | No Information Available |
| LIRR Malverne Wayside Energy Storage Sys | Electrical Power worX Corp | 0.0 Wh | 0 MMBtu | No Information Available |
| Mercy Medical Center | Mercy Medical Center | 0.0 Wh | 0 MMBtu | No Information Available |
| Nassau Energy Corp | Nassau Energy Corp | 0.0 Wh | 0 MMBtu | No Information Available |
| North Shore Towers | North Shore Towers Apts Inc | 0.0 Wh | 0 MMBtu | No Information Available |
| Oceanside Energy | Zapco Energy Tactics Corp | 0.0 Wh | 0 MMBtu | No Information Available |
| Oyster Bay Energy Partners LP | Zapco Energy Tactics Corp | 0.0 Wh | 0 MMBtu | No Information Available |
Electricity Generation for Neighboring Counties
| National Rank | County | Net Generation | # Power Plants |
|---|---|---|---|
| #403 | Bergen County | 3.0 TWh | 11 |
| #1024 | Bronx County | 438.8 GWh | 15 |
| #380 | Essex County | 3.3 TWh | 27 |
| #674 | Hudson County | 1.1 TWh | 27 |
| #480 | Kings County | 2.2 TWh | 31 |
| #454 | New York County | 2.5 TWh | 18 |
| #55 | Queens County | 14.0 TWh | 22 |
| #472 | Richmond County | 2.3 TWh | 19 |
| #502 | Rockland County | 2.0 TWh | 10 |
| #1044 | Westchester County | 428.7 GWh | 31 |
* Net Generation data is based on the last 12 months since Sep 2025
Electricity Generation for Cities Located in Nassau County, NY
| State Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #289 | Baldwin, NY | 5.7 GWh | 2 |
| #181 | Bethpage, NY | 15.6 GWh | 1 |
| #136 | Freeport, NY | 31.1 GWh | 2 |
| #66 | Glenwood Landing, NY | 131.8 GWh | 2 |
| #366 | Harbor Hills, NY | 1.2 GWh | 3 |
| #21 | Hicksville, NY | 589.5 GWh | 2 |
| #25 | Inwood, NY | 465.6 GWh | 5 |
| #16 | Island Park, NY | 1.2 TWh | 1 |
| #114 | Merrick, NY | 45.4 GWh | 1 |
| #389 | Oceanside, NY | 10.8 MWh | 3 |
| #377 | Rockville Centre, NY | 123.0 MWh | 2 |
| #339 | Seaford, NY | 2.8 GWh | 1 |
| #20 | Westbury, NY | 593.5 GWh | 1 |
* Net Generation data is based on the last 12 months since Sep 2025