Avalanche’s desktop fusion reactor delivers blistering-hot plasma
No one has made a fusion reactor capable of generating power, but physicists have a pretty good road map for how to get there. One major milestone is heating fusion…
Helion, the Sam Altman-backed fusion startup, raises $465M to build a power plant for Microsoft
Helion, the fusion startup backed by Sam Altman, announced on Thursday that it had raised $465 million in a new funding round that values the company at $15.5 billion. The…
The world’s largest privately owned laser just turned on
Fusion startup Xcimer Energy on Wednesday flipped the switch on its Phoenix laser system, which the company says is the largest privately owned example in the world. Xcimer’s approach to…
Focused Energy raises whopping $240M Series A for laser-powered fusion tech
Focused Energy recently raised an oversubscribed $240 million Series A round, one of the largest early-stage rounds for a fusion power startup. The new round, announced last week, brings the…
Pacific Fusion’s latest prototype packs 440 gigawatts into an 80-nanosecond burst
Pacific Fusion took the wraps off its latest pulser module prototype on Tuesday, a piece of equipment that allows the company to move ahead with its demonstration fusion power plant.…
With a new $100M raise, Princeton’s Thea Energy is now a top-funded fusion startup
Thea Energy has raised an oversubscribed $100 million Series B led by U.S. Innovative Technology Fund, the fusion startup told TechCrunch. The sum places the company among the better funded…
Laser-powered fusion experiment more than doubles its power output
The world’s only net-positive fusion experiment has been steadily ramping up the amount of power it produces, TechCrunch has learned. In recent attempts, the team at the U.S. Department of…
Realta Fusion taps $36M in fresh funds for its fusion-in-a-bottle reactor
Some fusion companies might be hitting a rough patch, but Realta Fusion is bucking the trend with a new fundraising round it says will allow it to finalize the design…
Layoffs hit General Fusion as the fusion power startup runs short on cash
General Fusion laid off at least 25% of its employees last week, just days after hitting a key milestone for its latest fusion demonstration device. CEO Greg Twiney posted an…
Here’s how Pacific Fusion plans to build a fusion power plant
Pacific Fusion made a splash in October when it emerged from stealth with a $900 million Series A and a founding team led by a scientist who is most widely…