Ranked: The Countries Building the Most Nuclear Power

By Tasmin Lockwood – Visual Capitalist

Based on existing and planned projects, its total capacity could reach nearly 186 gigawatts, far surpassing the U.S., which currently leads globally. This shift reflects a broader push to secure reliable, low-carbon energy as electricity demand rises.

The U.S. currently leads nuclear energy production with a capacity of 102,475 megawatts, exceeding France by more than 35,000 MW.

China ranks third today at 60,898 MW, but that is set to change as new plants come online.