Nuclear power plants,
mapped.
The catalog has 170 operating nuclear power plants, 401,341 MW in all. It also marks 118 nuclear plants as Retired, with 105,943 MW of capacity. Nuclear ranks 6th by operating capacity and represents 4.6% of all operating capacity in the catalog. United States leads with 102,475 MW of operating nuclear capacity, followed by France and China. The largest operating nuclear facility in the catalog is Bruce Nuclear Power Plant (6,944 MW, Canada, recorded start year 1977).
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Largest nuclear plants
Largest operating facilities by installed capacity in the catalog.
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Most nuclear capacity by country
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Newest nuclear plants
This table includes 1 of the 3 operating plants with a recorded start year of 2018, largest first. The catalog records years, not full commissioning dates.
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Frequently asked questions
How many nuclear power plants are tracked in nrgmap?
The catalog tracks 170 operating nuclear power plants with 401,341 MW in all, representing 4.6% of operating capacity. It also marks 118 plants as Retired, with 105,943 MW of capacity.
What is the largest tracked nuclear plant in the world?
The largest operating nuclear plant in the catalog is Bruce Nuclear Power Plant in Canada, with 6,944 MW of installed capacity and a recorded start year of 1977.
Which country has the most nuclear capacity?
United States leads with 102,475 MW of operating nuclear capacity across 54 plants in the catalog. France is second at 65,690 MW.
How old are nuclear power plants in the dataset?
Operating nuclear plants with a recorded start year in the catalog range from 1969 to 2025. The source records year precision, not full commissioning dates.
How can I explore nuclear plants on the map?
Open nrgmap at app.nrgmap.com and use the fuel filter to display nuclear plants. Each plant marker shows catalog capacity and recorded start year when available. The operating catalog has nuclear plants in 32 countries and territories.