New York Independent System Operator
Balancing Authority Summary Information
New York Independent System Operator is ranked #12 out of 64 balancing authorities in terms of total annual electricity generation.
| Balancing Authority | New York Independent System Operator |
|---|---|
| States | New Jersey New York |
| Last Update | Oct 2026 |
| Annual Generation | 134.1 TWh |
| Power Plants | 1,334 |
| Utilities | 620 |
| Ranked #12 out of 64 in terms of net annual generation | |
| Ranked #9 out of 53 in terms of annual generation from natural gas | |
| Power Plant Types | Natural Gas | 54.2% Nuclear | 19.4% Water | 18.3% Wind | 5.2% Other Fuel | 2.9% |
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Daily Net Generation for New York Independent System Operator for the past 3 Years
| Plant Name | Utility | Location | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|
| Montefiore - Westchester Square | Montefiore-Westchester Square | Bronx, NY | 13 MWh | Jun 1983 | Dec 2025 | Distillate Fuel Oil |
| JLL-One Rockwood Road | JLL-One Rockwood Road | Sleppy Hollow, NY | 13 MWh | Dec 2002 | Dec 2025 | Distillate Fuel Oil |
| Greenport | Village of Greenport - (NY) | Greenport, NY | 11 MWh | May 1957 | Dec 2025 | Distillate Fuel Oil |
| The Allen Hospital | The Allen Hospital | New York, NY | 10 MWh | Dec 2008 | Dec 2025 | Distillate Fuel Oil |
| St. Joseph Hospital | St. Joseph Hospital (NY) | Yonkers, NY | 10 MWh | Dec 1959 | Dec 2025 | Distillate Fuel Oil |
| Route 19N | Generate Capital | Le Roy, NY | 7 MWh | Nov 2025 | Dec 2025 | Solar |
| Fordham University | Fordham University | Bronx, NY | 6 MWh | Dec 1998 | Dec 2025 | Distillate Fuel Oil |
| Brooklyn Hospital Center | Brooklyn Hospital Center | Brooklyn, NY | 5 MWh | Dec 1974 | Dec 2025 | Distillate Fuel Oil |
| New Hartford | 38DN Asset Management LLC | New Hartford, NY | 3 MWh | Sep 2025 | Dec 2025 | Solar |
| Route 19W | Generate Capital | Le Roy, NY | 3 MWh | Nov 2025 | Dec 2025 | Solar |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #61 | Alcoa Power Generating, Inc. - Yadkin Division | 433.0 GWh | 4 |
| #24 | Dominion Energy South Carolina, Inc. | 26.1 TWh | 83 |
| #13 | Duke Energy Carolinas | 113.4 TWh | 578 |
| #17 | Duke Energy Progress East | 66.2 TWh | 574 |
| #50 | Duke Energy Progress West | 4.6 TWh | 15 |
| #15 | ISO New England | 112.2 TWh | 1,667 |
| #23 | Louisville Gas and Electric Company and Kentucky Utilities Company | 34.2 TWh | 25 |
| #1 | PJM Interconnection, LLC | 890.9 TWh | 2,806 |
| #28 | South Carolina Public Service Authority | 19.6 TWh | 35 |
| #59 | Southeastern Power Administration | 1.2 TWh | 11 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #6 | Southern Company Services, Inc. - Trans | 259.3 TWh | 423 |
| #7 | California Independent System Operator | 168.7 TWh | 2,170 |
| #9 | Tennessee Valley Authority | 166.2 TWh | 209 |
| #10 | Florida Power & Light Co. | 153.0 TWh | 188 |
| #12 | New York Independent System Operator | 134.1 TWh | 1,334 |
| #13 | Duke Energy Carolinas | 113.4 TWh | 578 |
| #15 | ISO New England | 112.2 TWh | 1,667 |
| #16 | Bonneville Power Administration | 91.1 TWh | 170 |
| #17 | Duke Energy Progress East | 66.2 TWh | 574 |
| #18 | PacifiCorp East | 61.4 TWh | 223 |