| State Rank | County | Net Generation (Past Year) | Power Plants |
| #59 | Delaware County, NY | 861.0 MWh | 2 |
| #58 | Otsego County, NY | 3.0 GWh | 3 |
| #57 | Chemung County, NY | 19.7 GWh | 7 |
| #56 | Chenango County, NY | 20.7 GWh | 6 |
| #55 | Schuyler County, NY | 23.3 GWh | 8 |
| #54 | Orleans County, NY | 40.4 GWh | 12 |
| #53 | Cayuga County, NY | 52.8 GWh | 16 |
| #52 | Columbia County, NY | 58.7 GWh | 13 |
| #51 | Cortland County, NY | 73.0 GWh | 8 |
| #50 | Schenectady County, NY | 85.6 GWh | 16 |
| #49 | Seneca County, NY | 87.9 GWh | 8 |
| #48 | Tioga County, NY | 94.6 GWh | 16 |
| #47 | Allegany County, NY | 96.9 GWh | 19 |
| #46 | Cattaraugus County, NY | 102.8 GWh | 14 |
| #45 | Fulton County, NY | 106.9 GWh | 22 |
| #44 | Ontario County, NY | 111.7 GWh | 20 |
| #43 | Genesee County, NY | 112.3 GWh | 25 |
| #42 | Washington County, NY | 133.6 GWh | 15 |
| #41 | Ulster County, NY | 140.8 GWh | 23 |
| #40 | Madison County, NY | 181.7 GWh | 16 |
| #39 | Warren County, NY | 186.3 GWh | 5 |
| #38 | Sullivan County, NY | 230.9 GWh | 25 |
| #37 | Essex County, NY | 247.1 GWh | 9 |
| #36 | Erie County, NY | 260.6 GWh | 35 |
| #35 | Tompkins County, NY | 277.4 GWh | 17 |
| #34 | Montgomery County, NY | 284.1 GWh | 18 |
| #33 | Livingston County, NY | 334.3 GWh | 12 |
| #32 | Herkimer County, NY | 338.2 GWh | 21 |
| #31 | Oneida County, NY | 357.8 GWh | 38 |
| #30 | Broome County, NY | 406.8 GWh | 16 |
| #29 | Westchester County, NY | 428.7 GWh | 31 |
| #28 | Bronx County, NY | 438.8 GWh | 15 |
| #27 | Franklin County, NY | 462.7 GWh | 15 |
| #26 | Onondaga County, NY | 480.9 GWh | 37 |
| #25 | Jefferson County, NY | 529.0 GWh | 38 |
| #24 | Monroe County, NY | 580.6 GWh | 41 |
| #23 | Yates County, NY | 713.2 GWh | 6 |
| #22 | Chautauqua County, NY | 875.5 GWh | 27 |
| #21 | Wyoming County, NY | 906.5 GWh | 15 |
| #20 | Steuben County, NY | 1.1 TWh | 22 |
| #19 | Clinton County, NY | 1.5 TWh | 28 |
| #18 | Lewis County, NY | 1.8 TWh | 28 |
| #17 | Rockland County, NY | 2.0 TWh | 10 |
| #16 | Saratoga County, NY | 2.0 TWh | 37 |
| #15 | Kings County, NY | 2.2 TWh | 31 |
| #14 | Richmond County, NY | 2.3 TWh | 19 |
| #13 | New York County, NY | 2.5 TWh | 18 |
| #12 | Nassau County, NY | 2.6 TWh | 24 |
| #11 | Rensselaer County, NY | 3.1 TWh | 22 |
| #10 | Greene County, NY | 3.4 TWh | 13 |
| #9 | Albany County, NY | 4.0 TWh | 30 |
| #8 | Dutchess County, NY | 4.1 TWh | 21 |
| #7 | Wayne County, NY | 4.8 TWh | 12 |
| #6 | Orange County, NY | 5.6 TWh | 53 |
| #5 | St. Lawrence County, NY | 8.0 TWh | 69 |
| #4 | Suffolk County, NY | 8.8 TWh | 67 |
| #3 | Queens County, NY | 14.0 TWh | 22 |
| #2 | Niagara County, NY | 15.0 TWh | 26 |
| #1 | Oswego County, NY | 29.8 TWh | 33 |
Net Generation data is based on the last 12 months since Sep 2025