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Fusion

Fusion across 19 linked articles from 3 sources, with context, storylines, and connected coverage.

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Jun 19, 2026 at 16:50

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Company 27 articles Hidden from search

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Fusion appears across 15 recent stories from 3 active sources, making this page a fast way to follow new developments, related topics, and the wider story graph.

What happened

Every fusion startup that has raised over $100M

Jun 19, 2026 at 16:50 · TechCrunch

Fusion startups have raised $7.1 billion to date, with the majority of it going to a handful of companies.

Avalanche’s desktop fusion reactor delivers blistering-hot plasma

Jun 10, 2026 at 12:15 · TechCrunch

Fusion power startup Avalanche Energy said its reactor prototype heated a plasma to over 10 million degrees Celsius.

Helion, the Sam Altman-backed fusion startup, raises $465M to build a power plant for Microsoft

Jun 4, 2026 at 18:54 · TechCrunch

Fusion startup Helion is racing to complete a power plant for Microsoft by 2028. A fresh infusion of cash should help...

Jun 19, 2026 at 16:50

Every fusion startup that has raised over $100M

Fusion startups have raised $7.1 billion to date, with the majority of it going to a handful of companies.

Jun 10, 2026 at 12:15

Avalanche’s desktop fusion reactor delivers blistering-hot plasma

Fusion power startup Avalanche Energy said its reactor prototype heated a plasma to over 10 million degrees...

Jun 4, 2026 at 18:54

Helion, the Sam Altman-backed fusion startup, raises $465M to build a power plant for Microsoft

Fusion startup Helion is racing to complete a power plant for Microsoft by 2028. A fresh infusion of cash s...

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Jun 19, 2026 at 16:50 TechCrunch

Every fusion startup that has raised over $100M

Fusion startups have raised $7.1 billion to date, with the majority of it going to a handful of companies.
Jun 10, 2026 at 12:15 TechCrunch

Avalanche’s desktop fusion reactor delivers blistering-hot plasma

Fusion power startup Avalanche Energy said its reactor prototype heated a plasma to over 10 million degrees Celsius.
Jun 4, 2026 at 18:54 TechCrunch

Helion, the Sam Altman-backed fusion startup, raises $465M to build a power plant for Microsoft

Fusion startup Helion is racing to complete a power plant for Microsoft by 2028. A fresh infusion of cash should help with that.
Jun 3, 2026 at 10:00 TechCrunch

The world’s largest privately owned laser just turned on

Fusion startup Xcimer fired up the world's largest privately owned laser.
Jun 2, 2026 at 17:01 TechCrunch

Focused Energy raises whopping $240M Series A for laser-powered fusion tech

Another fusion startup has raised another a massive round to make this type of power a reality.
Jun 2, 2026 at 11:00 TechCrunch

Pacific Fusion’s latest prototype packs 440 gigawatts into an 80-nanosecond burst

Pacific Fusion's subscale prototype delivered enormous amounts of power in a flash, setting the company up for its demonstration power pl...

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TechCrunch Mar 21, 2026 at 14:00 Startups
Stable Warm

How fusion power works and the startups pursuing it

Fusion power promises to generate large amounts of clean electricity from nearly limitless fuel. This article explains the main approaches and the companies that use them.

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Approaches Electricity Fusion Limitless
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techcrunch.com

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