Laser-powered fusion experiment more than doubles its power output
17 May 2025 at 12:02
The U.S. Department of Energy’s National Ignition Facility increased the yield of the experiment in recent attempts.
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Before yesterdayMain stream
Realta Fusion taps $36M in fresh funds for its fusion-in-a-bottle reactor
13 May 2025 at 03:00
Realta hopes to build power plants cheaply enough to supply power as low as $40 per megawatt-hour.
Layoffs hit General Fusion as the fusion power startup runs short on cash
5 May 2025 at 13:08
CEO Greg Twiney posted an open letter on the company’s website today pleading for money.
Here’s how Pacific Fusion plans to build a fusion power plant
15 April 2025 at 09:00
Pacific Fusion also announced the hiring of a key executive from competitor Helion.
Fusion power has a fuel problem; Hexium has a laser-powered solution
15 April 2025 at 06:00
Hexium has emerged from stealth with $8 million in seed funding.
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TechCrunch News
- Bill Gates-backed Commonwealth Fusion Systems hits key reactor construction milestone
Bill Gates-backed Commonwealth Fusion Systems hits key reactor construction milestone
25 March 2025 at 05:00
Commonwealth Fusion Systems (CFS) marked a major milestone Tuesday morning, announcing the installation of a key component of its SPARC demonstration reactor. The new part is a 24-foot wide, 75-ton stainless steel circle that forms the foundation of the tokamak, the doughnut-shaped heart of a fusion reactor that CFS hopes will be the first of […]
General Fusion fires up its newest steampunk fusion reactor
11 March 2025 at 04:38
The reactor, called Lawson Machine 26 (LM26), is General Fusion’s latest iteration in a string of devices that have tested various parts of its unique approach.
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Renaissance Fusion raises €32M to radically simplify complex fusion reactors
6 March 2025 at 00:00
The startup is betting that by simplifying stellarators, it can make fusion power cheaper and easier to maintain.
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Helion raises $425M to help build a fusion reactor for Microsoft
28 January 2025 at 04:00
Helion's unorthodox approach to fusion power and relative secrecy has earned it plenty of fans — and critics. But don’t count its investors among the naysayers.
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2025 will be the year climate tech learns to love AI
2 January 2025 at 05:59
As 2025 dawns, it’s a good time to look at the trends that are likely to define the coming 12 months.
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- Commonwealth Fusion Systems just picked its first commercial site partly because of its proximity to Washington, DC
Commonwealth Fusion Systems just picked its first commercial site partly because of its proximity to Washington, DC
17 December 2024 at 11:00
The fusion startup intends to hook the power plant up to the grid in the early 2030s.
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Focused Energy buys two of the world’s most powerful lasers for its fusion quest
17 December 2024 at 05:37
The massive lasers will be installed in the startup’s future facility, which it is building in the San Francisco Bay Area.
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Fusion startup Tokamak Energy attracts $125M for its egg-like reactor design
20 November 2024 at 13:31
Startups pursuing fusion power have benefitted from AI's insatiable thirst for electricity.
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