IEA – International Energy Agency - IEA

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nuclear

Reports

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The Path to a New Era for Nuclear Energy

Fuel report — 16 January 2025
Nuclear Power and Secure Energy Transitions

From today’s challenges to tomorrow’s clean energy systems

Fuel report — 30 June 2022
IEA Guide to Reporting Energy Technology RD&D Budgets

Statistics report — 20 October 2025
Oil Market Report - July 2025

Fuel report — 11 July 2025

Data sets

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Energy Technology RD&D Budgets

Tracking trends in spending by energy technology in IEA countries back to 1974

Data set

Free

Data explorers

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Energy Sankey

Visualize the full energy system for over 150 countries and regions

Data explorer

Charts

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Nuclear capacity in operation and under construction in selected regions, 2025

Open

Global nuclear generation by countries and regions, 1973-2030

Open

Share of annual change in electricity generation from renewables and nuclear, and from solar PV

Open

Net electricity generation from nuclear and selected sources in Belgium, January 2023-November 2025

Open

Policies

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Policy

Country

Status

Jurisdiction

Funding to Advance Integrating Hydrogen and Nuclear Power
United States 2021 In force National
2023 Research in nuclear and electrical development
Mexico 2023 Ended National
State loans, CFDs and financial risk-sharing model for nuclear
Sweden 2025 In force National
2024 Investment Programs and Projects (PPI) - Nuclear
Mexico 2024 In force National

News

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New episode of Everything Energy podcast explores the nuclear energy comeback

Energy Security

A new era for nuclear energy beckons as projects, policies and investments increase

16 January 2025

Photo depicts Abstract Pixel Exploding NFT Connection Innovation Ideas Computer Network Night Ombre White Light Blue Confetti Glitter Flying Navy Blue Black Background Hyperspace Smart City Grid Smoke Square Pattern Disco Lights Morphing Complexity Fantas

IEA Committee on Energy Research and Technology focuses on state and prospects of nuclear fusion at thematic workshop

26 February 2025

CERT Fusion Energy Workshop

Slovak Republic

IEA report highlights the Slovak Republic’s impressive rollout of nuclear power to meet energy and climate goals

19 November 2024

Aerial View Of Trencin Old City Centre Slovak Republic Shutterstock 1709425636

Events

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16 Dec 2025 09:00—10:00

Financing Nuclear Energy in Southeast Asia: Investment Needs, Risks and Pathways

Webinar — Singapore,

Southeast Asia Nuclear Dialogue Series

14 Aug 2025 10:00—11:00

Developing National Nuclear Infrastructure – Tools, Milestones, and Practical Support

25 Jun 2025 09:00—10:00

Recent Developments and Prospects for Nuclear Power in Southeast Asia

Contributors

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Jürgen Trittin

Member of the Bundestag and Former Federal Minister for the Environment, Nature Conservation and Nuclear Safety

Trittin Jrgen 0126

Diane Cameron

Head of the Nuclear Technology Development and Economics Division, Nuclear Energy Agency

Diane Cameron

Michel Berthélemy

Chief of Staff and Nuclear Strategic Policy Advisor

Michel Barthelemy

Sama Bilbao Y Leon

Head, Division of Nuclear Technology Development and Economics (NTE)

Sama Bilbao Y Leon

Pages

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Canada 2025

IEA Contributions to the G7