Startups

Coverage of startups working on fusion energy

Jun 16, 2025

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5 min read

Europe’s Largest Private Fusion Raise

Proxima Fusion's €130 million Series A represents the largest private fusion round in European history.

Europe’s Emerging Contender in HTS Manufacturing

Jun 2, 2025

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4 min read

Europe’s Emerging Contender in HTS Manufacturing

Suprema's new approach to high-temperature superconducting (HTS) tape recently delivered promising early results.

May 19, 2025

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5 min read

CFS’s Billion-Dollar Play for the Grid

Commonwealth Fusion Systems is raising a massive Series B2 extension round to finance its first commercial fusion power plant.

May 12, 2025

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5 min read

General Fusion Faces Tough Choices

The company has slashed staff and scaled back operations to conserve cash, and is openly seeking new investment or even a potential buyer.

May 5, 2025

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4 min read

Project Blixt’s Z-Pinch Failure

The outcome all but confirms that an unstabilized Z-pinch cannot confine plasma long enough for net energy gain.

Apr 28, 2025

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5 min read

Tokamak Energy Joins Tokyo’s GX Program

The company incorporated a subsidiary in Tokyo earlier this year to cement its presence in the Japanese market.

Takeaways from a webinar with Helion's Andrew Proffitt

Apr 21, 2025

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4 min read

Takeaways from a webinar with Helion's Andrew Proffitt

While much of the content was discussed in past press releases and papers, a few interesting details were surfaced.

Avalanche Energy Signals Progress with FusionWERX

Apr 14, 2025

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4 min read

Avalanche Energy Signals Progress with FusionWERX

The announcement comes as the startup enters its next fundraising cycle.

Apr 7, 2025

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5 min read

Focused Energy's $150M Fundraise

The raise would support a new Bay Area laser facility and progress toward key milestones.

Behind the Physics of the Infinity Two Pilot Plant

Mar 31, 2025

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5 min read

Behind the Physics of the Infinity Two Pilot Plant

An analysis of Type One Energy's recent papers in the Journal of Plasma Physics.

New testing validates Thea Energy's thesis

Mar 24, 2025

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4 min read

New testing validates Thea Energy's thesis

What we've learned from experiments on the Canis prototype magnet system.

An interview with Chris Mowry, CEO of Type One Energy

Mar 10, 2025

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9 min read

An interview with Chris Mowry, CEO of Type One Energy

We sat down with Chris Mowry to discuss new partnerships, stellarator design, and what comes next for Type One.

Mar 3, 2025

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4 min read

Zap Energy Hits First DoE Milestone

Promising results from the Century test system

Fusion Startups Explore the Magnet Business

Feb 24, 2025

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5 min read

Fusion Startups Explore the Magnet Business

Lucrative new opportunity or costly distraction?

Behind Type One Energy’s Big Week of Partnerships

Feb 17, 2025

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4 min read

Behind Type One Energy’s Big Week of Partnerships

After inking a slew of partnerships, what comes next?

Thea Energy: Building Momentum, But Playing Catch Up

Jan 27, 2025

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4 min read

Thea Energy: Building Momentum, But Playing Catch Up

Last week, Thea Energy announced the opening of its new headquarters in Kearny, New Jersey.

Dissecting the hype around OpenStar Technologies

Jan 13, 2025

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3 min read

Dissecting the hype around OpenStar Technologies

How big a deal is "first plasma"?

Jan 1, 2025

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4 min read

Unpacking Zap Energy's Novel Approach

How the startup's Z-Pinch technology stacks up against the competition

Helion Races to Secure Polaris Permits Before Year-End

Dec 28, 2024

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3 min read

Helion Races to Secure Polaris Permits Before Year-End

Looking into the flurry of permits around the startup's Polaris facility.

Startups

Europe’s Largest Private Fusion Raise

Europe’s Emerging Contender in HTS Manufacturing

CFS’s Billion-Dollar Play for the Grid

General Fusion Faces Tough Choices

Project Blixt’s Z-Pinch Failure

Tokamak Energy Joins Tokyo’s GX Program

Takeaways from a webinar with Helion's Andrew Proffitt

Avalanche Energy Signals Progress with FusionWERX

Focused Energy's $150M Fundraise

Behind the Physics of the Infinity Two Pilot Plant

New testing validates Thea Energy's thesis

An interview with Chris Mowry, CEO of Type One Energy

Zap Energy Hits First DoE Milestone

Fusion Startups Explore the Magnet Business

Behind Type One Energy’s Big Week of Partnerships

Thea Energy: Building Momentum, But Playing Catch Up

Dissecting the hype around OpenStar Technologies

Unpacking Zap Energy's Novel Approach

Helion Races to Secure Polaris Permits Before Year-End

Commercial Fusion