Directory of Power Plants in New York
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| OBP Cogen | OBP Cogen LLC | New York, NY | New York Independent System Operator (NYIS) | 30.7 GWh | May 2010 | Dec 2022 | Natural Gas |
| Off Airport Road - West | Off Airport Road - West, LLC | Accord, NY | New York Independent System Operator (NYIS) | 6.5 GWh | Nov 2019 | Dec 2022 | Solar |
| Ogdensburg | Ampersand Ogdensburg Hydro, LLC | Ogdensburg, NY | New York Independent System Operator (NYIS) | 8.5 GWh | Nov 1987 | Dec 2022 | Water |
| Oneida County- DPW | Tesla Inc. | Oriskany, NY | ISO New England (ISNE) | 2.1 GWh | Sep 2017 | Dec 2022 | Solar |
| Oneida Herkimer | WM Renewable Energy LLC | Boonville, NY | New York Independent System Operator (NYIS) | 28.7 GWh | Mar 2012 | Dec 2022 | Landfill Gas |
| Oneida - South | Oneida DG Solar, LLC | Whitestown, NY | New York Independent System Operator (NYIS) | 2.6 GWh | Nov 2015 | Dec 2022 | Solar |
| Oneida - West | Oneida DG Solar, LLC | Whitestown, NY | New York Independent System Operator (NYIS) | 2.6 GWh | Nov 2015 | Dec 2022 | Solar |
| Onondaga County- Clearwater | Tesla Inc. | Oswego, NY | ISO New England (ISNE) | 2.8 GWh | Jun 2017 | Dec 2022 | Solar |
| Onondaga County- Jamesville | Tesla Inc. | Jamesville, NY | New York Independent System Operator (NYIS) | 2.6 GWh | Feb 2018 | Dec 2022 | Solar |
| Onondaga County - Metro Water Board | Tesla Inc. | Clay, NY | New York Independent System Operator (NYIS) | 1.3 GWh | Jan 2016 | Dec 2022 | Solar |
| Onondaga County - Oak Orchard WWTP | Tesla Inc. | Clay, NY | New York Independent System Operator (NYIS) | 2.3 GWh | Oct 2017 | Dec 2022 | Solar |
| Onondaga County Resource Recovery | Covanta Onondega LP | Jamesville, NY | New York Independent System Operator (NYIS) | 237.8 GWh | Oct 1994 | Mar 2024 | Non-biogenic Municipal Solid Waste : 54.8% Biogenic Municipal Solid Waste : 44.8% |
| Ontario LFGTE | Seneca Energy II | Stanley, NY | New York Independent System Operator (NYIS) | 84.4 GWh | Oct 2003 | Dec 2022 | Landfill Gas |
| Onyx - Lamphear Road CSG | Onyx Asset Services Group | Rome, NY | New York Independent System Operator (NYIS) | 2.9 GWh | Sep 2016 | Dec 2022 | Solar |
| Onyx - Saratoga Springs Landfill Solar CSG | Onyx Asset Services Group | Saratoga Springs, NY | New York Independent System Operator (NYIS) | 2.7 GWh | Oct 2017 | Dec 2022 | Solar |
| Orange County Solar Farm (NY) | Tesla Inc. | Goshen, NY | ISO New England (ISNE) | 2.6 GWh | Apr 2017 | Dec 2022 | Solar |
| Orbit Bloom Fuel Cell | DG Fuel Cell, LLC | Medford, NY | New York Independent System Operator (NYIS) | 53.0 GWh | Jul 2020 | Dec 2022 | Natural Gas |
| Oswegatchie | Erie Boulevard Hydropower LP | Edwards, NY | New York Independent System Operator (NYIS) | 8.2 GWh | Jul 2002 | Dec 2022 | Water |
| Oswego County Energy Recovery | Oswego County | Fulton, NY | New York Independent System Operator (NYIS) | 7.4 GWh | Jan 1986 | Dec 2022 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Oswego County - Fulton Solar | Tesla Inc. | Fulton, NY | New York Independent System Operator (NYIS) | 2.6 GWh | May 2018 | Dec 2022 | Solar |
| Oswego Falls East | Erie Boulevard Hydropower LP | Fulton, NY | New York Independent System Operator (NYIS) | 24.3 GWh | Dec 1913 | Dec 2022 | Water |
| Oswego Falls West | Erie Boulevard Hydropower LP | Fulton, NY | New York Independent System Operator (NYIS) | 4.1 GWh | Dec 1913 | Dec 2022 | Water |
| Oswego Harbor Power | Oswego Harbor Power | Oswego, NY | New York Independent System Operator (NYIS) | 50.7 GWh | May 1975 | Mar 2024 | Residual Fuel Oil |
| Owens Corning at Bethlehem | Luminace Solar Holding, LLC | Bethlehem, NY | New York Independent System Operator (NYIS) | 3.7 GWh | Sep 2013 | Dec 2022 | Solar |
| Owlville Creek Solar 2, LLC | Owlville Creek Solar 2, LLC | Canastota, NY | New York Independent System Operator (NYIS) | 6.5 GWh | Nov 2020 | Dec 2022 | Solar |
| Owlville Creek Solar, LLC | Owlville Creek Solar, LLC | Canastota, NY | New York Independent System Operator (NYIS) | 5.8 GWh | Nov 2020 | Dec 2022 | Solar |
| OYA Pulaski | OYA Pulaski LLC | Pulaski, NY | New York Independent System Operator (NYIS) | 264.0 MWh | Oct 2022 | Dec 2022 | Solar |
| OYA Robinson Road | OYA Robinson Road, LLC | Orleans, NY | New York Independent System Operator (NYIS) | 3.3 GWh | May 2022 | Dec 2022 | Solar |
| OYA State Route 122 | OYA State Route 122, LLC | Constable, NY | New York Independent System Operator (NYIS) | 7.7 GWh | Nov 2021 | Dec 2022 | Solar |
| OYA Wayside Drive | OYA Wayside Drive LLC | Watertown, NY | New York Independent System Operator (NYIS) | 354.0 MWh | Sep 2022 | Dec 2022 | Solar |