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Private Capital — Companies We Track

$8.9B

across 35+ developers

Operational Devices Worldwide

147

+12 YoY

Private Developers Tracked

—

+9 YoY

Avg. Pilot-Plant Timeline

2031

−2 yrs vs. 2023

● Today's Briefing

As of this hour

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capital27h ago

Ex-General Fusion employee raises $4 million USD for fusion diagnostics startup Daedal

Toronto-based startup Daedal has secured $4 million USD in seed funding to develop and commercialize standardized diagnostic systems for the private fusion industry.

milestones27h ago

General Fusion Achieves World-First 1 keV Electron Temperature Milestone on its Path to Commercial Fusion Power

General Fusion Achieves World-First 1 keV Electron Temperature Milestone on its Path to Commercial Fusion Power ...

science27h ago

FIREWALL: A surrogate model for the rapid assessment of tokamak wall loading and melting by runaway electrons

A new surrogate model, FIREWALL, enables rapid prediction of tokamak wall melting from runaway electrons by combining pre-computed energy deposition profiles with a simplified heat diffusion solver.

science27h ago

Is Your AI Fast Enough to Run a Fusion Reactor?

arXiv:2610.00845v1 Announce Type: new Abstract: Machine learning models are increasingly used in feedback control loops for nuclear fusion, where inference speed and predictable timing are critical. W

milestones27h ago

Japan's fusion energy startup to begin power-on tests at pilot reactor in 2027

Japanese startup Helical Fusion announced plans to initiate power-on tests for its demonstration helical confinement reactor in 2027, aiming for commercial deployment in the early 2040s.

milestones27h ago

Commonwealth Fusion Systems Places Largest Single Purchase Order of HTS Tape with Fujikura to Accelerate Development of ARC Power Plants

Commonwealth Fusion Systems has secured a major supply of high-temperature superconducting tape from Fujikura Ltd. to support the manufacturing of high-field magnets for its planned ARC commercial fusion power plants.

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Fusion Energy News

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Monday, October 19, 2026

Vol. III · August 2026

World
Capital

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Top-funded fusion developers

6 of 35+ developers · cumulative private capital

Tracked

$8.9B

Developers

35+

Dimensions

28

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Live intelligence

The sector, refreshed every minute

All charts below pull directly from our editorial database — no estimates, no static fixtures.

Full analysis hub

Tracked developers

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Published stories

—

Live editorial feed

Confinement approaches

—

Fusion concepts tracked

Scientists profiled

—

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Developers by country

Live · 0 countries

By confinement approach

0 approaches · 0 companies

Companies by funding tier

Live · disclosed capital stage

Coverage mix by beat

All published stories

By the numbers

Multi-year sector context

Capital flows, confinement progress, and where the people and money are.

Full analysis hub

Cumulative private capital

$33.0B+

Total sector investment 2018–2025 (all companies, including unlisted)

Tracked developers

—

Across 13 countries

Approaches

6

Magnetic · inertial · hybrid

NIF ignition Q

1.54

3.15 MJ out / 2.05 MJ in

Capital inflows ($B / year)

Private + government, disclosed only

Private capital by approach

$M cumulative · 2025

Triple-product progress (relative units)

nτT — confinement quality benchmark

Developers by region

HQ country

Industry headcount (full-time staff across tracked developers)

Public disclosures + LinkedIn estimates

Sources: Fusion Industry Association, company disclosures, agency budget documents. Methodology →

Interactive intelligence

The Global Fusion Map

Click any country to see every private fusion developer headquartered there. Hover any dot for company details.

Country deep-dives

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