General Fusion, a fusion energy startup backed by Jeff Bezos, is set to become the first publicly traded company in the sector following a SPAC merger with Spring Valley Acquisition Corp III. The deal values the Canadian company at $724 million and raised up to $338 million, with trading on the Nasdaq scheduled to commence soon. This move aims to position General Fusion as a leader in the fusion narrative, accessing a broader investor base.

Despite the public listing, the company faces scrutiny over its unconventional "steampunk" technology. Experts question whether recent scientific results from its prototype demonstrate meaningful progress toward commercial viability, with some arguing its plasma compression methods fall short of required temperatures. This comes as the broader fusion industry sees increased competition, with the number of private companies doubling in five years.

General Fusion's chief executive, Greg Twinney, asserts the company's capital-efficient approach will lead to a commercial fusion plant by the mid-2030s. However, skepticism persists regarding the timeline and the fundamental challenges of achieving net energy gain in fusion reactions, a hurdle that has long defined the industry's elusive "holy grail" status.