Nuclear power plants,
mapped.
Nuclear is the 4th-largest tracked source in our catalog at 557 GW across 328 plants — 9.5% of all tracked installed capacity. United States of America leads the world with 119 GW tracked, followed by China and France. The largest tracked nuclear facility in our catalog is Kashiwazaki Kariwa (8,212 MW, Japan, opened 1985).
Largest nuclear plants
Top tracked facilities by installed capacity in our public-data catalog.
Top countries for nuclear
Frequently asked questions
How many nuclear power plants are tracked in nrgmap?
Our public-data catalog tracks 328 nuclear plants with a combined 557 GW of installed capacity — 9.5% of all tracked capacity. This is a large and representative subset drawn from sources including WRI, EIA, IAEA PRIS, and OpenStreetMap; the true global total across all operators is higher.
What is the largest tracked nuclear plant in the world?
The largest nuclear plant in our catalog is Kashiwazaki Kariwa in Japan, with 8,212 MW of installed capacity (commissioned 1985). Open the nrgmap app to see it pinpointed on the world map alongside thousands of other nuclear facilities.
Which country has the most nuclear capacity?
United States of America leads with 119 GW of tracked nuclear capacity across 84 plants in our catalog. China is second at 85.3 GW.
How old are nuclear power plants in the dataset?
The tracked nuclear plants in our catalog range from 1954 (the oldest recorded) to 2023 (the newest). This span reflects both legacy infrastructure still in operation and the latest additions to global nuclear capacity.
How can I explore nuclear plants on the map?
Open nrgmap at app.nrgmap.com and use the fuel filter to display only nuclear plants. Each plant marker shows capacity and year on click. The world view shows every tracked nuclear facility across 12 countries with data in our catalog.