Nine Mile Point Nuclear Station
PO Box 63, Lycoming, NY 13093Plant Summary Information
Nine Mile Point Nuclear Station is ranked #29 out of 13,081 power plants nationwide in terms of total annual net electricity generation.
Nine Mile Point Nuclear Station is comprised of 2 generators and generated 3.3 TWh during the 3-month period between February 2026 to May 2026.
| Plant Name | Nine Mile Point Nuclear Station |
|---|---|
| Utility Name | Constellation Nuclear |
| Location | Oswego County, NY |
| Initial Operation Date | December 1969 |
| Last Update | May 2026 |
| Annual Generation | 15.6 TWh |
| Annual Consumption | 177.3 M MMBtu |
| Ranked #29 out of 13,081 Power Plants Nationwide | |
| Ranked #22 out of 54 Nuclear Power Plants Nationwide | |
| Ranked #1 out of 1,045 New York Power Plants | |
| Ranked #1 out of 3 New York Nuclear Power Plants | |
| Fuel Types | Nuclear |
| Previous Operators |
Nine Mile Point Nuclear Sta LLC (2013 to 2014) Exelon Nuclear (2015 to 2021) Constellation Nuclear (2022 to 2025) |
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Monthly Net Generation for Nine Mile Point Nuclear Station
Monthly Plant Fuel Consumption for Nine Mile Point Nuclear Station
Nine Mile Point Nuclear Station Details
| Summary Information | |
|---|---|
| Plant Name | Nine Mile Point Nuclear Station (2589) |
| Plant Address | PO Box 63, Lycoming, NY 13093 |
| Utility | Constellation Nuclear (55951) |
| Latitude, Longitude | 43.5211, -76.41 |
| Generation Dates on File | Jan 2001 to May 2026 |
| Initial Operation Date | December 1969 |
| Annual Generation | 15.6 TWh |
| Fuel Types | Nuclear |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | Yes |
| FERC Exempt Wholesale Generator Docket Number | 02-14-000 |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | NPCC |
| Balancing Authority | New York Independent System Operator (NYIS) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | Lake Ontario |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Niagara Mohawk Power Corp. (13573) NY |
| Grid Voltage | 345.00 kV |
| Energy Storage | No |
Generator 1 Details Operating December 1969
| Technology | Nuclear |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 641.8 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 619.7 MW |
| Winter Capacity | 634.4 MW |
| Minimum Load | 105 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | December 1969 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Nuclear |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | OVER |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
Generator 2 Details Operating July 1987
| Technology | Nuclear |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Jointly Owned |
| Nameplate Capacity | 1259.3 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 1283.4 MW |
| Winter Capacity | 1291.8 MW |
| Minimum Load | 75 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | July 1987 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Nuclear |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | OVER |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
Nine Mile Point Nuclear Station Plant Owners
| Owner Name | Address | Generator | Ownership |
|---|---|---|---|
| Long Island Power Authority | 333 Earle Ovington Boulevard, Uniondale, NY 11553 | Generator 2 | 18.00% |
| Constellation Nuclear | 4300 Winfield Road, Warrenville, IL 60555 | Generator 2 | 82.00% |
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Nuclear.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #12 | TalenEnergy Susquehanna | Berwick, PA | 19.3 TWh |
| #13 | PSEG Salem Generating Station | Hancocks Bridge, NJ | 19.3 TWh |
| #14 | McGuire | Huntersville, NC | 19.0 TWh |
| #15 | Donald C Cook | Bridgman, MI | 18.5 TWh |
| #16 | LaSalle Generating Station | Marseilles, IL | 18.5 TWh |
| #17 | Diablo Canyon | Avila Beach, CA | 18.4 TWh |
| #18 | Catawba | York, SC | 18.3 TWh |
| #19 | Millstone | Waterford, CT | 17.2 TWh |
| #20 | Sequoyah | Soddy Daisy, TN | 17.1 TWh |
| #21 | North Anna | Mineral, VA | 15.8 TWh |
| #23 | St Lucie | Jensen Beach, FL | 15.4 TWh |
| #24 | Brunswick Nuclear | Southport, NC | 15.3 TWh |
| #25 | Quad Cities Generating Station | Cordova, IL | 15.2 TWh |
| #26 | Dresden Generating Station | Morris, IL | 15.1 TWh |
| #27 | Calvert Cliffs Nuclear Power Plant | Lusby, MD | 14.9 TWh |
| #28 | Joseph M Farley | Columbia, AL | 14.7 TWh |
| #29 | Beaver Valley | Shippingport, PA | 14.5 TWh |
| #30 | Arkansas Nuclear One | Russellville, AR | 14.1 TWh |
| #31 | Edwin I Hatch | Baxley, GA | 13.9 TWh |
| #32 | Turkey Point | Homestead, FL | 19.8 TWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Nine Mile Point Nuclear Station.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| ASA Volney NY Solar I LLC | Fulton, NY | 5.6 GWh | 13.6 mi |
| Fulton Hydro | Fulton, NY | 5.0 GWh | 13.6 mi |
| High Dam | Oswego, NY | 19.1 GWh | 6.9 mi |
| Indeck Oswego Energy Center | Oswego, NY | 117.8 GWh | 5.4 mi |
| James A Fitzpatrick | Lycoming, NY | 7.4 TWh | 0.1 mi |
| Minetto | Minetto, NY | 30.8 GWh | 8.9 mi |
| Onondaga County- Clearwater | Oswego, NY | 2.5 GWh | 8.3 mi |
| Oswego | Oswego, NY | 7.3 GWh | 4.8 mi |
| Oswego County - Fulton Solar | Fulton, NY | 1.5 GWh | 12.8 mi |
| Oswego County Energy Recovery | Fulton, NY | 5.6 GWh | 11.9 mi |
| Oswego Harbor Power | Oswego, NY | 130.8 GWh | 7.5 mi |
| OYA Pulaski | Pulaski, NY | 6.9 GWh | 12.3 mi |
| Richland North | Richland, NY | 5.8 GWh | 12.6 mi |
| Richland South | Richland, NY | 3.9 GWh | 12.7 mi |
| Sithe Independence Station | Oswego, NY | 6.8 TWh | 2.7 mi |
| SSC Oswego II LLC | Oswego, NY | 6.6 GWh | 4.7 mi |
| Summit - Oswego | Oswego, NY | 3.7 GWh | 10.8 mi |
| Summit - Scriba CSG | Scriba, NY | 6.3 GWh | 5 mi |
| Varick | Oswego, NY | 19.9 GWh | 6.9 mi |
| Volney II | Fulton, NY | 4.3 GWh | 12.8 mi |