Global investment in nuclear fusion energy has reached a record €4.4 billion within a single year, according to a new survey.
The surge in capital reflects a structural shift in how technology giants and institutional investors view the energy landscape, moving beyond traditional renewables to pursue high-density, carbon-free baseload power.
The primary catalyst for this influx is the exponential growth in artificial intelligence infrastructure.
Data centers powering large language models and generative AI workloads are consuming electricity at unprecedented rates, creating a urgent demand for reliable, 24/7 power sources that solar and wind cannot consistently provide.
Fusion, long considered a distant scientific goal, is now being positioned as a critical component of the AI supply chain.
This trend aligns with broader industrial consolidation and reshoring efforts.