Global nuclear generation by countries and regions, 1973–2030, shown in terawatt-hours. Light blue represents the European Union; dark blue, the United States; light green, China; orange, India; dark green, other Asian countries; and gray, other countries. (Credit: International Energy Agency)
The Paris-based International Energy Agency released its annual report on global electricity systems and markets on February 6, showing the output of nuclear energy at record levels in 2025. According to Electricity 2026, nuclear energy together with renewable energy sources (mainly solar) will generate about half of all global electricity by 2030, up from 42 percent today.
This slide on the right from the consensus committee’s public briefing identifies 10 core variables that are important to the success of advanced reactor deployments. (Image: NASEM, Laying the Foundation for New and Advanced Nuclear Reactors in the United States)