| State Rank | County | Net Generation (Past Year) | Power Plants |
|---|
| #1 | Oswego County, NY | 30.2 TWh | 36 |
| #2 | Niagara County, NY | 15.0 TWh | 26 |
| #3 | Queens County, NY | 13.9 TWh | 23 |
| #4 | Suffolk County, NY | 9.3 TWh | 69 |
| #5 | St. Lawrence County, NY | 7.8 TWh | 69 |
| #6 | Dutchess County, NY | 6.6 TWh | 22 |
| #7 | Orange County, NY | 5.7 TWh | 60 |
| #8 | Wayne County, NY | 4.7 TWh | 13 |
| #9 | Albany County, NY | 4.1 TWh | 33 |
| #10 | Rensselaer County, NY | 3.1 TWh | 23 |
| #11 | Greene County, NY | 2.6 TWh | 14 |
| #12 | New York County, NY | 2.6 TWh | 19 |
| #13 | Kings County, NY | 2.6 TWh | 31 |
| #14 | Nassau County, NY | 2.4 TWh | 24 |
| #15 | Rockland County, NY | 2.1 TWh | 10 |
| #16 | Richmond County, NY | 1.8 TWh | 19 |
| #17 | Saratoga County, NY | 1.7 TWh | 43 |
| #18 | Lewis County, NY | 1.6 TWh | 28 |
| #19 | Clinton County, NY | 1.6 TWh | 26 |
| #20 | Steuben County, NY | 1.1 TWh | 22 |
| #21 | Wyoming County, NY | 1.1 TWh | 15 |
| #22 | Chautauqua County, NY | 863.4 GWh | 36 |
| #23 | Yates County, NY | 663.1 GWh | 6 |
| #24 | Onondaga County, NY | 622.8 GWh | 46 |
| #25 | Monroe County, NY | 586.4 GWh | 42 |
| #26 | Bronx County, NY | 456.6 GWh | 15 |
| #27 | Westchester County, NY | 437.8 GWh | 32 |
| #28 | Franklin County, NY | 421.3 GWh | 17 |
| #29 | Jefferson County, NY | 404.0 GWh | 38 |
| #30 | Broome County, NY | 400.2 GWh | 18 |
| #31 | Oneida County, NY | 353.0 GWh | 43 |
| #32 | Livingston County, NY | 350.0 GWh | 14 |
| #33 | Herkimer County, NY | 331.3 GWh | 22 |
| #34 | Tompkins County, NY | 326.7 GWh | 20 |
| #35 | Erie County, NY | 316.4 GWh | 37 |
| #36 | Montgomery County, NY | 285.4 GWh | 19 |
| #37 | Essex County, NY | 262.8 GWh | 9 |
| #38 | Madison County, NY | 219.6 GWh | 17 |
| #39 | Sullivan County, NY | 213.4 GWh | 26 |
| #40 | Warren County, NY | 179.2 GWh | 6 |
| #41 | Genesee County, NY | 154.2 GWh | 29 |
| #42 | Allegany County, NY | 152.5 GWh | 21 |
| #43 | Cattaraugus County, NY | 150.2 GWh | 16 |
| #44 | Ulster County, NY | 149.3 GWh | 25 |
| #45 | Ontario County, NY | 140.6 GWh | 24 |
| #46 | Fulton County, NY | 137.9 GWh | 22 |
| #47 | Tioga County, NY | 117.0 GWh | 16 |
| #48 | Washington County, NY | 115.4 GWh | 16 |
| #49 | Schenectady County, NY | 111.3 GWh | 16 |
| #50 | Cortland County, NY | 86.2 GWh | 11 |
| #51 | Columbia County, NY | 73.0 GWh | 12 |
| #52 | Cayuga County, NY | 66.8 GWh | 16 |
| #53 | Orleans County, NY | 57.1 GWh | 14 |
| #54 | Seneca County, NY | 54.5 GWh | 8 |
| #55 | Chemung County, NY | 34.3 GWh | 8 |
| #56 | Chenango County, NY | 27.9 GWh | 6 |
| #57 | Schuyler County, NY | 26.1 GWh | 10 |
| #58 | Otsego County, NY | 6.0 GWh | 5 |
| #59 | Delaware County, NY | 2.0 GWh | 2 |
Net Generation data is based on the last 12 months since Dec 2025
