Why Investors Are Still Hot on Fusion After Decades of Waiting

August 5, 2025--Written by Paul Wiseman for Industrial Info Resources (Sugar Land, Texas)--As an idea, nuclear fusion looks great. No pollution, no chance of a Three Mile Island meltdown, cheap power once it gets going. But when investors ask, "Where's the beef?" the answers are less certain. Why do they keep investing?

Well, there is progress. Researchers in Germany and France have recently announced breakthroughs of achieving fusion reaction durations of less than one minute. That's a bit shy of the years-at-a-time needed for the grid.

Still, in the last few years, investment has ballooned. Exponentially.