Southold
Main Road, Greenport, NY 11944Plant Summary Information
Southold is ranked #23 out of 78 distillate fuel oil power plants in New York in terms of total annual net electricity generation.
Southold is comprised of 1 generator and generated 60.1 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Southold |
|---|---|
| Utility Name | National Grid Generation LLC |
| Location | Suffolk County, NY |
| Initial Operation Date | August 1964 |
| Last Update | Dec 2025 |
| Annual Generation | 483.0 MWh |
| Annual Consumption | 15.5 k MMBtu |
| Ranked #12,248 out of 13,081 Power Plants Nationwide | |
| Ranked #572 out of 1,233 Distillate Fuel Oil Power Plants Nationwide | |
| Ranked #987 out of 1,045 New York Power Plants | |
| Ranked #23 out of 78 New York Distillate Fuel Oil Power Plants | |
| Fuel Types | Distillate Fuel Oil |
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Monthly Net Generation for Southold
Monthly Plant Fuel Consumption for Southold
Southold Details
| Summary Information | |
|---|---|
| Plant Name | Southold (2520) |
| Plant Address | Main Road, Greenport, NY 11944 |
| Utility | National Grid Generation LLC (56505) |
| Latitude, Longitude | 41.1059, -72.3761 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | August 1964 |
| Annual Generation | 483.0 MWh |
| Fuel Types | Distillate Fuel Oil |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Regulated |
| NERC Region | NPCC |
| Balancing Authority | New York Independent System Operator (NYIS) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | |
| Ash Impoundment | |
| Transmission / Distribution Owner | Long Island Power Authority (11171) NY |
| Grid Voltage | 69.00 kV |
| Energy Storage | No |
Generator 1 Details Operating August 1964
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | 23719 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | 23719 |
| Nameplate Capacity | 14 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 10 MW |
| Winter Capacity | 9 MW |
| Minimum Load | 7.3 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | August 1964 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 1H |
| Multiple Fuels | No |
| Cofire Fuels | No |
Southold Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Distillate Fuel Oil.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #562 | Shawville | Shawville, PA | 1.2 TWh |
| #563 | Bellingham Cogeneration Facility | Bellingham, MA | 367.8 GWh |
| #564 | Yellowstone Energy LP | Billings, MT | 450.2 GWh |
| #565 | Cascade Creek | Rochester, MN | 32.7 GWh |
| #566 | Klawock Power Generation Station | Klawock, AK | 500.0 MWh |
| #567 | Univ Minnesota CHP Plant | Minneapolis, MN | 172.0 GWh |
| #568 | Winston | Lakeland, FL | 497.0 MWh |
| #569 | Water Treatment 1 & 2 | Groton, CT | 494.0 MWh |
| #570 | Clearwater Paper APP CB | Arkansas City, AR | 123.3 GWh |
| #571 | Marshall (NC) | Terrell, NC | 7.5 TWh |
| #573 | Valencia | Nogales, AZ | 6.8 GWh |
| #574 | Paris Energy Center | Paris, TX | 320.9 GWh |
| #575 | Indiana University of Pennsylvania | Indiana, PA | 19.9 GWh |
| #576 | Greenville Electric Generating Station | Greenville, OH | 105.0 GWh |
| #577 | Litchfield | Litchfield, MN | 861.0 MWh |
| #578 | Montpelier | Montpelier, OH | 466.0 MWh |
| #579 | Hallam | Hallam, NE | 547.0 MWh |
| #580 | Sullivan (IL) | Sullivan, IL | 462.0 MWh |
| #581 | Quakertown PA BTM | Quakertown, PA | 461.0 MWh |
| #582 | Central Power Plant | Cranston, RI | 18.6 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Southold.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Antares-GRE 314 East Lyme LLC | East Lyme, CT | 4.2 GWh | 22.7 mi |
| Bridge Street 1 & 2 | Groton, CT | 452.0 MWh | 23.4 mi |
| Calverton | Calverton, NY | 4.4 GWh | 23 mi |
| Calverton Solar Energy Center | Calverton, NY | 41.7 GWh | 23.6 mi |
| Connecticut College | New London, CT | 10.1 GWh | 23.7 mi |
| CP East Hampton I & II Solar | East Hampton, CT | 3.3 GWh | 20.4 mi |
| East Hampton | East Hampton, NY | 10.9 GWh | 13.2 mi |
| Fishers Island 1 | Fisher's Island, NY | 129.0 MWh | 22.1 mi |
| Greenport | Greenport, NY | 11.0 MWh | 0 mi |
| Hawkeye Energy Greenport LLC | Greenport, NY | 24.9 GWh | 0 mi |
| Leavenworth Greenworks LLC | Calverton, NY | 17.7 GWh | 23.7 mi |
| Millstone | Waterford, CT | 17.2 TWh | 17.8 mi |
| Pfizer Groton Fuel Cell | Groton, CT | 30.1 GWh | 22.3 mi |
| Pfizer Groton Plant | Groton, CT | 75.4 GWh | 22 mi |
| Riverhead Solar Farm | Calverton, NY | 33.4 GWh | 23.9 mi |
| South Hampton | Southampton, NY | 181.0 MWh | 14.2 mi |
| Sterlington Greenworks LLC | Calverton, NY | 2.1 GWh | 4.3 mi |
| Sutter Greenworks LLC | Calverton, NY | 8.3 GWh | 24 mi |
| Water Treatment 1 & 2 | Groton, CT | 494.0 MWh | 24.1 mi |
| Yale New Haven - New London | New London, CT | 14.0 GWh | 21.2 mi |