Explore the largest nuclear power plants in ISO-NE and see all the utility-scale nuclear projects in ISO-NE on a map.
Last updated: May 2026
On this page, you can explore our real-time database of nuclear power plants in ISO-NE. Each month, we track nuclear projects and update our list of the largest nuclear power plants in ISO-NE.
As of May 2026, there are 2 utility-scale nuclear power plants in ISO-NE, according to Cleanview's project tracker. Their total operating capacity is 3,502 MW.
Total Nuclear Power Plants
2
Total Capacity
3,502 MW
Built in 2025
0
Map of nuclear power plants in ISO-NE. Marker size reflects capacity — only facilities with reported capacity data are shown.
Cleanview