Big Oil Is Betting Billions On Nuclear Fusion The recent influx of billions into nuclear fusion research marks a significant turning point for an industry that has long been seen as too niche or too distant to warrant serious investment.
Global private investment reached $4. 48 billion in 2025, a 69% increase from the previous year. Energy giants like Eni S. p. A.
are now treating nuclear fusion not just as a research endeavor but as a commercial prospect.