ISO New England
Balancing Authority Summary Information
ISO New England is ranked #15 out of 65 balancing authorities in terms of total annual electricity generation.
| Balancing Authority | ISO New England |
|---|---|
| States | Connecticut Maine Massachusetts New Hampshire New York Rhode Island Vermont |
| Last Update | Nov 2024 |
| Annual Generation | 102.8 TWh |
| Power Plants | 1,487 |
| Utilities | 782 |
| Ranked #15 out of 65 in terms of net annual generation | |
| Ranked #11 out of 53 in terms of annual generation from natural gas | |
| Power Plant Types | Natural Gas | 57.6% Nuclear | 25% Water | 7.7% Other Fuel | 4.6% Wind | 3.3% Solar | 1.2% Coal | 0.1% |
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Daily Net Generation for ISO New England for the past 3 Years
| Plant Name | Utility | Location | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|
| CPV Towantic Energy Center | CPV Towantic, LLC | Oxford, CT | 5 TWh | Apr 2018 | Aug 2024 | Natural Gas |
| Lake Road Generating Plant | Lake Road Generating Co LP | Dayville, CT | 6 TWh | Feb 2002 | Aug 2024 | Natural Gas |
| Seabrook | NextEra Energy Seabrook LLC | Seabrook, NH | 11 TWh | Jul 1990 | Aug 2024 | Nuclear |
| Millstone | Dominion Energy Nuclear Conn Inc | Waterford, CT | 16 TWh | Nov 1975 | Aug 2024 | Nuclear |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #61 | Alcoa Power Generating, Inc. - Yadkin Division | 894.0 GWh | 4 |
| #25 | Dominion Energy South Carolina, Inc. | 26.0 TWh | 85 |
| #13 | Duke Energy Carolinas | 110.9 TWh | 556 |
| #17 | Duke Energy Progress East | 63.3 TWh | 554 |
| #51 | Duke Energy Progress West | 4.1 TWh | 10 |
| #24 | Louisville Gas and Electric Company and Kentucky Utilities Company | 33.2 TWh | 20 |
| #12 | New York Independent System Operator | 130.0 TWh | 1,100 |
| #1 | PJM Interconnection, LLC | 843.8 TWh | 2,305 |
| #31 | South Carolina Public Service Authority | 17.9 TWh | 33 |
| #60 | Southeastern Power Administration | 1.6 TWh | 11 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #7 | California Independent System Operator | 191.5 TWh | 1,943 |
| #9 | Tennessee Valley Authority | 157.5 TWh | 170 |
| #10 | Florida Power & Light Co. | 147.7 TWh | 159 |
| #12 | New York Independent System Operator | 130.0 TWh | 1,100 |
| #13 | Duke Energy Carolinas | 110.9 TWh | 556 |
| #15 | ISO New England | 102.8 TWh | 1,487 |
| #16 | Bonneville Power Administration | 80.0 TWh | 158 |
| #17 | Duke Energy Progress East | 63.3 TWh | 554 |
| #18 | Salt River Project Agricultural Improvement and Power District | 59.0 TWh | 45 |
| #19 | PacifiCorp East | 52.6 TWh | 204 |