Ranked: Nuclear Power Capacity by Country

What We Are Showing

Nuclear power plays a crucial role in the energy transition. However, to meet the world’s growing energy demand, more capacity is needed. As of late 2023, global nuclear energy capacity stood at 396 gigawatts (GW). According to the Global Energy Monitor, an additional 299 GW is either in development or announced.

Key Takeaways

• The U.S. holds the largest nuclear energy capacity, totaling 102 GW across 94 reactors.
• Global nuclear capacity is set to increase to 695 GW. This represents a jump of over 75%. 

Source: Global Energy Monitor, 2024