Big Oil Bets Billions on Nuclear Fusion

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Summary · why it matters

Global private investment in nuclear fusion hit a record $4.48 billion in 2025, up 69% from a year earlier, as major energy companies like Eni, Equinor, Chevron, Shell, and Cenovus ramp up their commitments. Eni plans to deploy a commercial fusion power plant in Europe by the early 2040s, building on its investment in Commonwealth Fusion Systems and a $1 billion agreement to buy electricity from the startup's first U.S. plant. Eni is also forming a joint venture with the UK Atomic Energy Authority to develop fuel systems for fusion reactors, targeting a large-scale tritium fuel-cycle facility by 2028. Commonwealth Fusion Systems raised another $1 billion in July, bringing its total funding to $4 billion, and its planned 400-MW ARC facility in Virginia is the first fusion project to apply for grid interconnection. Chevron has backed TAE Technologies and Zap Energy, while Shell invested in Zap's $130 million Series D round, and Cenovus's early bet on General Fusion is moving toward a Nasdaq listing.

Impact on assets 7

Energy▲
Eni S.p.A.
ENI
▲ PositiveCapitalrelevance

Eni plans to deploy a commercial fusion plant by early 2040s and forms JV with UKAEA, showing strong commitment.

Equinor ASA ADR
EQNR
▲ PositiveCapitalrelevance

Equinor is among major energy companies ramping up commitments amid record $4.48B fusion investment.

Cenovus Energy Inc
CVE
▲ PositiveCapitalrelevance

Cenovus's early bet on General Fusion is moving toward a Nasdaq listing, potentially yielding returns.

Chevron Corp
CVX
▲ PositiveCapitalrelevance

Chevron has backed fusion startups TAE Technologies and Zap Energy, aligning with its investment strategy.

Industrials▲
Energy Transition & Power Demand▲
Shell plc
SHEL
▲ PositiveCapitalrelevance

Shell invested in Zap Energy's $130 million Series D round, expanding its fusion portfolio.

Artificial Intelligence▲

Theme Impact 3

Off-coverage companies 3

Commonwealth Fusion Systemsi
Private▲ PositiveCapitalrelevance

Eni's $1B power purchase agreement and new funding underscore Commonwealth's commercial progress.

Zap Energy, Inc.i
Private▲ PositiveCapitalrelevance

Shell's investment in Zap's Series D and Chevron's backing reflect strong investor confidence.

TAE Technologiesi
Private▲ PositiveCapitalrelevance

Chevron's backing and record fusion investment highlight TAE's funding and industry momentum.

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General Fusion Jumps 13% on World-First Plasma Heating Result

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Fusion Energy › Fusion Pure-plays (Developers) ▲Technology
GFUZ · Technology · Positive General Fusion announced a world-first plasma heating result (12M°C) on its Magnetized Target Fusion path, a major R&D milestone toward commercial fusion.
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General Fusion's LM26 Reaches World-First 1 keV Plasma Temperature

General Fusion Group Ltd. said its Lawson Machine 26 demonstration machine has become the first fusion machine in the world to heat plasma to more than 12 million degrees Celsius, or more than 1 keV, using practical low-speed compression. The company said only a few fusion companies have ever reached 1 keV, all using other approaches, and that its Magnetized Target Fusion technology squeezes plasma with a metal wall over milliseconds rather than with superconducting magnets or high-powered lasers. Thomson scattering measured with the UK Atomic Energy Authority recorded approximately 1.1 keV just prior to peak compression, while absolute extreme ultraviolet data recorded approximately 1.2 keV at peak compression, and ions heated up to twofold above starting ion temperature. The result achieves the first of three key technical milestones for LM26, with machine upgrades underway to reach the second target of 10 keV, roughly 100 million degrees Celsius, followed by the Lawson criterion targeted by the end of 2028 and a first-of-a-kind plant around 2035. Chief Executive Officer Greg Twinney said the team squeezed a plasma shaped like a cored apple and it stayed alive while being squeezed and heated to more than 12 million degrees.
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GFUZ · Technology · Positive LM26 became the first fusion machine to heat plasma above 1 keV via low-speed compression, hitting its first technical milestone
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Helical Fusion Raises JPY 3.23 Billion in Series B Second Close as Fuji Electric Joins as Investor and Partner

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Fusion Energy › Fusion Pure-plays (Developers) ▲Capital
Fusion Energy › Magnets & HTS Superconductors ▲Capital
6504.JP · Capital · Positive Fuji Electric joins Helical Fusion's Series B as investor and Official Partner, expanding its role in the fusion program
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Commonwealth Fusion Systems Places Largest-Ever HTS Tape Order With Fujikura

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Fusion Energy › Magnets & HTS Superconductors ▲Supply
Fusion Energy › Fusion Pure-plays (Developers) ▲Supply
5803.JP · Demand · Positive Fujikura signed a landmark long-term supply agreement to deliver over 10,000 km of HTS tape to CFS, the largest single order of its kind.
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2

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