Japan Unveils Updated National Fusion Energy Strategy
On June 4, Japan announced an updated national Fusion Energy Innovation Strategy, signaling a strong push to commercialize fusion power amid accelerating global progress and rising international competition. The revised strategy outlines a 10-year vision to industrialize fusion power and establish Japan as a global commercial leader.
Recognizing the transformative potential of fusion – an abundant, clean, and safe energy source – Japan is aiming to achieve commercial fusion power generation in the 2030s, alongside a thriving fusion ecosystem. The strategy calls for stronger collaboration between government, industry, and academia, increased public and private investment, and active public engagement to build support for fusion as a pillar of Japan’s energy future.
Japan’s push comes at a critical time. With low energy self-sufficiency, rising geopolitical risks, and urgent climate goals, fusion energy is seen as a strategic solution for the country’s long-term energy security and decarbonization. The government’s approach treats fusion not merely as a scientific pursuit, but as the foundation of a new industrial sector – one capable of bolstering Japan’s economic competitiveness on the global stage.
“This Strategy is revised with the aim of demonstrating power generation in the 2030s, ahead of the rest of the world, and to establish a fusion industrial ecosystem.”
Fusion Energy Innovation Strategy (English translation)
Key priorities in the updated strategy include:
- Accelerating fusion technology development and innovation.
- Strengthening public-private partnerships.
- Developing a strong fusion supply chain.
- Expanding workforce and industry development programs.
- Deepening international cooperation in fusion research and commercialization.
By taking a comprehensive, forward-looking approach, Japan’s fusion roadmap positions the country to lead the global race toward commercial fusion energy. With this strategy, Japan aims not just to compete—but to set the pace in bringing fusion power from the lab to the grid.
Here is the updated strategy. And here is the original national strategy and FIA writeup from April 2023.
June 10, 2025
