Explore the largest nuclear power plants in California and see all the utility-scale nuclear projects in California on a map.
Last updated: May 2026
On this page, you can explore our real-time database of nuclear power plants in California. Each month, we track nuclear projects and update our list of the largest nuclear power plants in California.
As of May 2026, there are 1 utility-scale nuclear power plants in California, according to Cleanview's project tracker. Their total operating capacity is 2,323 MW.
Total Nuclear Power Plants
1
Total Capacity
2,323 MW
Built in 2025
0
Map of nuclear power plants in California. Marker size reflects capacity — only facilities with reported capacity data are shown.