High Dam
571 West First St., Oswego, NY 13126Plant Summary Information
High Dam is ranked #62 out of 148 hydroelectric power plants in New York in terms of total annual net electricity generation.
High Dam is comprised of 4 generators and generated 2.9 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | High Dam |
|---|---|
| Utility Name | Oswego, City of - (NY) |
| Location | Oswego County, NY |
| Initial Operation Date | August 1928 |
| Last Update | Dec 2025 |
| Annual Generation | 19.1 GWh |
| Annual Consumption | 75.7 k MMBtu |
| Ranked #5,414 out of 13,081 Power Plants Nationwide | |
| Ranked #718 out of 1,311 Water Power Plants Nationwide | |
| Ranked #222 out of 1,045 New York Power Plants | |
| Ranked #62 out of 148 New York Water Power Plants | |
| Fuel Types | Water |
| Previous Operator |
Oswego City of (2013 to 2024) Oswego, City of - (NY) (2025 to 2025) |
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Monthly Net Generation for High Dam
Monthly Plant Fuel Consumption for High Dam
High Dam Details
| Summary Information | |
|---|---|
| Plant Name | High Dam (2574) |
| Plant Address | 571 West First St., Oswego, NY 13126 |
| Utility | Oswego, City of - (NY) (14240) |
| Latitude, Longitude | 43.4436, -76.4961 |
| Generation Dates on File | Jan 2002 to Dec 2025 |
| Initial Operation Date | August 1928 |
| Annual Generation | 19.1 GWh |
| Fuel Types | Water |
| 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 | Oswego River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Niagara Mohawk Power Corp. (13573) NY |
| Grid Voltage | 34.50 kV |
| Energy Storage | No |
Generator 1 Details OA August 1928
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 2.8 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 2.2 MW |
| Winter Capacity | 2.2 MW |
| Minimum Load | 0.7 MW |
| Uprate/Derate Completed | No |
| Status | OA |
|---|---|
| First Operation Date | August 1928 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Generator 2 Details Operating August 1928
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 2.8 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 2.2 MW |
| Winter Capacity | 2.2 MW |
| Minimum Load | 0.7 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | August 1928 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Generator 3 Details Operating August 1928
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 2.8 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 2.2 MW |
| Winter Capacity | 2.2 MW |
| Minimum Load | 0.7 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | August 1928 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Generator 4 Details Operating August 1949
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 3.5 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 2.2 MW |
| Winter Capacity | 2.2 MW |
| Minimum Load | 0.7 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | August 1949 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
High Dam Plant Owners
| Owner Name | Address | Generator | 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 Water.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #708 | Moline | Moline, IL | 20.8 GWh |
| #709 | Nooksack Hydro | Glacier, WA | 20.2 GWh |
| #710 | City of Peru Plank Road Generating Station | Peru, IL | 20.6 GWh |
| #711 | Middle Fork Irrigation District | Parkdale, OR | 20.0 GWh |
| #712 | Varick | Oswego, NY | 19.9 GWh |
| #713 | International Paper Riley Hydro | Jay, ME | 19.7 GWh |
| #714 | Jarvis (Hinckley) | Hinckley, NY | 19.7 GWh |
| #715 | Verdi | Verdi, NV | 19.7 GWh |
| #716 | Buck Hydro | Ivanhoe, VA | 19.6 GWh |
| #717 | Watertown | Watertown, NY | 19.2 GWh |
| #719 | Turnbull Hydro | Fairfield, MT | 19.0 GWh |
| #720 | Siphon Power Project | Bend, OR | 19.0 GWh |
| #721 | South Edwards | Fine, NY | 19.0 GWh |
| #722 | Chatuge | Hayesville, NC | 18.9 GWh |
| #723 | Wainiha Hydro | Hanalei, HI | 18.8 GWh |
| #724 | Lower Saranac Hydroelectric Facility | Plattsburgh, NY | 18.7 GWh |
| #725 | Burton Dam | Clayton, GA | 18.5 GWh |
| #726 | Herrings | Carthage, NY | 18.4 GWh |
| #727 | Spearfish Hydro | Spearfish, SD | 18.4 GWh |
| #728 | Hancock Creek Hydroelectric Project | Snoqualmie, WA | 18.3 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding High Dam.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| ASA Volney NY Solar I LLC | Fulton, NY | 5.6 GWh | 10.5 mi |
| Fulton Hydro | Fulton, NY | 5.0 GWh | 9.1 mi |
| Granby | Fulton, NY | 33.1 GWh | 9.1 mi |
| Indeck Oswego Energy Center | Oswego, NY | 117.8 GWh | 1.9 mi |
| James A Fitzpatrick | Lycoming, NY | 7.4 TWh | 6.9 mi |
| Minetto | Minetto, NY | 30.8 GWh | 3.2 mi |
| Nine Mile Point Nuclear Station | Lycoming, NY | 15.6 TWh | 6.9 mi |
| Onondaga County- Clearwater | Oswego, NY | 2.5 GWh | 1.4 mi |
| Oswego | Oswego, NY | 7.3 GWh | 8 mi |
| Oswego County - Fulton Solar | Fulton, NY | 1.5 GWh | 10.4 mi |
| Oswego County Energy Recovery | Fulton, NY | 5.6 GWh | 7.5 mi |
| Oswego Falls East | Fulton, NY | 22.2 GWh | 9.7 mi |
| Oswego Falls West | Fulton, NY | 3.4 GWh | 9.7 mi |
| Oswego Harbor Power | Oswego, NY | 130.8 GWh | 2.1 mi |
| Sithe Independence Station | Oswego, NY | 6.8 TWh | 4.2 mi |
| SSC Oswego II LLC | Oswego, NY | 6.6 GWh | 2.2 mi |
| Summit - Oswego | Oswego, NY | 3.7 GWh | 5.3 mi |
| Summit - Scriba CSG | Scriba, NY | 6.3 GWh | 1.9 mi |
| Varick | Oswego, NY | 19.9 GWh | 0.6 mi |
| Volney II | Fulton, NY | 4.3 GWh | 10.1 mi |