Oswego Harbor Power
261 Washington Blvd., Oswego, NY 13126Plant Summary Information
Oswego Harbor Power is ranked #8 out of 52 residual fuel oil power plants nationwide in terms of total annual net electricity generation.
Oswego Harbor Power is comprised of 2 generators and generated 68.1 GWh during the 3-month period between May 2025 to August 2025.
| Plant Name | Oswego Harbor Power |
|---|---|
| Utility Name | Oswego Harbor Power |
| Location | Oswego County, NY |
| Initial Operation Date | June 1975 |
| Last Update | Aug 2025 |
| Annual Generation | 91.0 GWh |
| Annual Consumption | 1.2 M MMBtu |
| Ranked #3,489 out of 12,539 Power Plants Nationwide | |
| Ranked #8 out of 52 Residual Fuel Oil Power Plants Nationwide | |
| Ranked #93 out of 944 New York Power Plants | |
| Ranked #2 out of 8 New York Residual Fuel Oil Power Plants | |
| Fuel Types | Residual Fuel Oil : 99.5% |
| Previous Operator |
NRG Oswego Harbor Power Operations Inc (2013 to 2020) Oswego Harbor Power (2021 to 2024) |
Map of Oswego Harbor Power
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Oswego Harbor Power.
Monthly Net Generation for Oswego Harbor Power
Oswego Harbor Power Details
| Summary Information | |
|---|---|
| Plant Name | Oswego Harbor Power (2594) |
| Plant Address | 261 Washington Blvd., Oswego, NY 13126 |
| Utility | Oswego Harbor Power (64701) |
| Latitude, Longitude | 43.4586, -76.5319 |
| Generation Dates on File | Jan 2001 to Aug 2025 |
| Initial Operation Date | June 1975 |
| Annual Generation | 91.0 GWh |
| Fuel Types | Residual Fuel Oil : 99.5% |
| 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 | 00-11-000 |
| 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 |
| Natural Gas Information | |
| Local Distribution Company (LDC) | NIAGARA MOHAWK DBA NATIONAL GRID |
| Natural Gas Storage | No |
Generator ST5 Details Operating June 1975
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Wholly Owned by Other Entity |
| Nameplate Capacity | 901.8 MW |
| Nameplate Power Factor | 0.925 |
| Summer Capacity | 820.1 MW |
| Winter Capacity | 818.5 MW |
| Minimum Load | 150 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | June 1975 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Residual Fuel Oil |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | OVER |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator ST6 Details Operating December 1979
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Wholly Owned by Other Entity |
| Nameplate Capacity | 901.8 MW |
| Nameplate Power Factor | 0.925 |
| Summer Capacity | 790.5 MW |
| Winter Capacity | 814.5 MW |
| Minimum Load | 150 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | December 1979 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Residual Fuel Oil / Natural Gas |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | OVER |
| Multiple Fuels | Yes |
| Cofire Fuels | Yes |
| Switch Between Oil And Natural Gas | Yes |
| Multifuel Details | |
| Cofire Energy Source | RFO / NG |
|---|---|
| Switch When Operating | Yes |
| Net Summer Capacity With Natural Gas | 180 MW |
| Net Winter Capacity With Natural Gas | 180 MW |
| Net Summer Capacity With Oil | 850 MW |
| Net Winter Capacity With Oil | 850 MW |
| Time To Switch From Gas To Oil | 6H |
| Time To Switch From Oil To Gas | UNK |
| Factors That Limit Switching | Yes |
| Air Permit Limits | Yes |
Oswego Harbor Power Plant Owners
| Owner Name | Address | Generator | Ownership |
|---|---|---|---|
| ArcLight Capital Partners LLC | 460 North Gulph Road, King of Prussia, PA 19406 | Generator 3 | 100.00% |
| ArcLight Capital Partners LLC | 460 North Gulph Road, King of Prussia, PA 19406 | Generator ST5 | 100.00% |
| ArcLight Capital Partners LLC | 460 North Gulph Road, King of Prussia, PA 19406 | Generator ST6 | 100.00% |
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Residual Fuel Oil.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #1 | Kahe | Kapolei, HI | 2.9 TWh |
| #2 | Kalaeloa Cogen Plant | Kapolei, HI | 1.4 TWh |
| #3 | Waiau | Pearl City, HI | 858.9 GWh |
| #4 | Northport | Northport, NY | 3.9 TWh |
| #5 | Kahului | Kahului, HI | 157.1 GWh |
| #6 | Canal | Sandwich, MA | 351.9 GWh |
| #7 | W H Hill | Hilo, HI | 105.6 GWh |
| #9 | William F Wyman Hybrid | Yarmouth, ME | 65.9 GWh |
| #10 | Roseton Generating Facility | Newsburgh, NY | 457.4 GWh |
| #11 | TalenEnergy Martins Creek | Bangor, PA | 2.4 TWh |
| #12 | Puna | Keaau, HI | 105.9 GWh |
| #13 | Newington | Newington, NH | 95.2 GWh |
| #14 | Bowline Point | West Haverstraw, NY | 1.9 TWh |
| #15 | Port Jefferson | Port Jefferson, NY | 246.5 GWh |
| #16 | Middletown | Middletown, CT | 33.0 GWh |
| #17 | Georgia-Pacific Cedar Springs | Cedar Springs, GA | 468.1 GWh |
| #18 | Edge Moor | Wilmington, DE | 327.6 GWh |
| #19 | New Haven Harbor | New Haven, CT | 92.5 GWh |
| #20 | Somerset Plant | Skowhegan, ME | 573.0 GWh |
| #21 | Rumford Cogeneration | Rumford, ME | 429.0 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Oswego Harbor Power.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| ASA Volney NY Solar I LLC | Fulton, NY | 6.5 GWh | 12.5 mi |
| Fulton Hydro | Fulton, NY | 5.6 GWh | 10.9 mi |
| Granby | Fulton, NY | 35.6 GWh | 10.9 mi |
| High Dam | Oswego, NY | 25.6 GWh | 2.1 mi |
| Indeck Oswego Energy Center | Oswego, NY | 49.8 GWh | 2.1 mi |
| James A Fitzpatrick | Lycoming, NY | 7.4 TWh | 7.6 mi |
| Minetto | Minetto, NY | 32.6 GWh | 5 mi |
| Nine Mile Point Nuclear Station | Lycoming, NY | 15.9 TWh | 7.5 mi |
| Onondaga County- Clearwater | Oswego, NY | 2.8 GWh | 2.2 mi |
| Oswego | Oswego, NY | 7.1 GWh | 9.6 mi |
| Oswego County - Fulton Solar | Fulton, NY | 2.2 GWh | 12.4 mi |
| Oswego County Energy Recovery | Fulton, NY | 8.1 GWh | 9.3 mi |
| Oswego Falls East | Fulton, NY | 23.1 GWh | 11.5 mi |
| Oswego Falls West | Fulton, NY | 8.1 GWh | 11.4 mi |
| Sithe Independence Station | Oswego, NY | 6.1 TWh | 4.8 mi |
| SSC Oswego II LLC | Oswego, NY | 4.4 GWh | 3.1 mi |
| Summit - Oswego | Oswego, NY | 4.0 GWh | 7 mi |
| Summit - Scriba CSG | Scriba, NY | 7.7 GWh | 3.4 mi |
| Varick | Oswego, NY | 22.2 GWh | 1.5 mi |
| Volney II | Fulton, NY | 4.6 GWh | 12.1 mi |