SPARC cryogenics hit 8 kelvin in commissioning run
Commonwealth Fusion Systems cooled the full SPARC cryogenics plant to 8 K in a commissioning run.
16 September 2026 · CFS
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53 clippings on the rack, newest printed 16 September 2026.
Earlier cuttings
Proxima Fusion and Lower Saxony agree on HTS tape push
The first two phases call for a €140 million (approximately $162.3 million) outlay through the end of 2029.
14 Sept · ANS
LIPAc starts warm conditioning of its superconducting RF section
After full configuration last spring, first test runs succeeded on a 36-meter line in Rokkasho.
10 Sept · Fusion for Energy
FIA paper maps Agreement State fusion licensing
NRC fusion rules are estimated for publication in December 2027 under 10 CFR Part 30.
9 Sept · ANS
JT-60SA on-site lab opens fully to European institutes
QST, F4E and EUROfusion marked the full-scale launch on September 9, 2026.
9 Sept · EUROfusion
Thea Energy publishes 16 papers on Helios stellarator plant
A Fusion Engineering and Design special issue covers the preconceptual Helios design.
9 Sept · Markets Insider
PACMAN unifies machine-learning prediction and control for tokamaks
The framework typically runs in about 20 milliseconds, according to a recent Nuclear Fusion paper.
8 Sept · ANS
Gujarat spherical tokamak makes first plasma
Scientists have run 114 plasma discharges since launch at the Institute for Plasma Research.
7 Sept · NewsBytes
PACMAN blocked a tearing mode 200 milliseconds early
Princeton University and PPPL reported the result from one tokamak experiment.
6 Sept · Economic Times
Stopping power shifts proton-boron fusion optimum
Optimal beam central energy is reported near 900 keV, not the 672 keV resonance.
4 Sept · arXiv
Realta and MGE explore a Wisconsin fusion plant
The facility under study would be 200-MWe-minimum, enough for about 150,000 homes.
3 Sept · ANS Nuclear Newswire
Tennessee licenses Type One’s first commercial fusion machine
TDEC issued a byproduct material license for Project Infinity at TVA’s Bull Run Energy Complex near Oak Ridge.
2 Sept · American Nuclear Society
Four fusion seed grants land at UT Austin
The awards will support four graduate students for two years.
31 Aug · University of Texas at Austin
CFS says SPARC is designed for Q>10
Phil Snyder, Vice President of Plasma Physics, said SPARC is designed to reach Q>10, so Q>1 is not an extremely difficult milestone.
28 Aug · blog.cfs.energy
EAST holds plasma above Greenwald density for seconds
The Hefei tokamak reached 1.65 times the Greenwald threshold.
28 Aug · Earth.com
Simulations show ICF plants can live with some misalignment
Two-dimensional hydrodynamic runs were reported in Physics of Plasmas.
28 Aug · ANS
Kyoto Fusioneering closes Series D equity at JPY16.72bn
Kyoto Fusioneering announced a first close of Series D with JPY16.72bn in new equity and JPY 9.0bn in credit, totaling JPY 25.72bn.
28 Aug · neimagazine.com
UKAEA books time on a private DT fusion testbed
Astral Systems, a Bristol company, ran deuterium-tritium operations for 60 hours across two parallel reactor modules.
27 Aug · niauk.org
Marathon Fusion enriches lithium-6 in the lab
The San Francisco seed-stage firm said Thursday its plasma centrifuge separated lithium-6 and hydrogen isotopes.
27 Aug · heatmap.news
Helical Fusion coil holds 40 kA
A double-pancake coil wound with Helical Fusion’s UROCOIC conductor ran stable 40 kA under a 7 T external field for 280 s.
26 Aug · einpresswire.com
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Pacific Fusion breaks ground in Albuquerque
The Research and Manufacturing Campus is USD1 billion at Mesa del Sol.
26 Aug · World Nuclear News
Helical Fusion coil holds 40 kA without a quench
A double-pancake UROCOIC test magnet ran continuously at 40 kiloamperes in a peer-reviewed lab study.
26 Aug · interestingengineering.com
Pacific Fusion starts Albuquerque campus
A Tuesday ceremony marked construction of the Mesa del Sol site that will house its Demonstration System.
26 Aug · World Nuclear News
Pacific Fusion breaks ground in Albuquerque
The Mesa del Sol campus is slated for a $1 billion investment around a Demonstration System not yet operating.
25 Aug · pacificfusion.com
NNSA signs MOU as Pacific Fusion breaks ground
On 25 August 2026 NNSA and Pacific Fusion announced an MOU as the company broke ground on a $1 billion Albuquerque campus.
25 Aug · energy.gov
Inertia and LLNL cut frozen D-T layer time to hours
Inertia said the process takes two to three hours within design tolerances, verified with LLNL ignition-design codes.
25 Aug · ANS Nuclear Newswire
Nature visits Pacific Fusion’s pulsed-power shop
Pacific Fusion expects each shot to yield about 100 megajoules of fusion energy from about 80 megajoules of electrical energy.
24 Aug · nature.com
Kyoto Fusioneering first-closes Series D
The close added JPY 16.72 billion in new equity, about USD 105 million, plus access to JPY 9.0 billion in credit and loans.
24 Aug · kyotofusioneering.com
ITER vacuum vessel sectors move from factory to pit
The stainless-steel torus is 5,200 tonnes and 19.4 m across, built as nine sectors.
20 Aug · Fusion for Energy
Inertia shortens fusion pellet build time
The startup said crystal growth now takes about 30 minutes, versus up to a week at NIF.
20 Aug · TechCrunch
Inertia says fusion pellets now take hours, not days
The startup reports crystal growth in about 30 minutes versus up to a week at the National Ignition Facility.
20 Aug · techcrunch.com
Thea Energy closes an undisclosed Series B extension
The prior round, announced earlier, was a $100M raise led by Thomas Tull’s USIT.
18 Aug · Markets Insider
General Fusion lists with $150 million cash
General Fusion Group Ltd. (NASDAQ: GFUZ) entered public markets with approximately US$150 million in cash after its July 2026 Nasdaq listing.
18 Aug · generalfusion.com
ML cuts DIII-D coil-shift error 80 percent
An online-learning model of DIII-D’s toroidal field coils reduced prediction error by 80 percent versus static machine-learning models.
18 Aug · ans.org
Online models cut DIII-D coil-shift error by 80 percent
Uncertainty quantification trimmed error by another 10 percent.
18 Aug · ANS Nuclear Newswire
Thea Energy extends Series B
Thea Energy, Inc. closed an extension of its Series B with Brevan Howard Macro Venture, Aloniq, ALJ Investments and Beyond Earth Ventures.
18 Aug · thea.energy
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Culham detritiation plant back after a year of upgrades
The Materials Detritiation Facility at UKAEA Culham Campus in Oxfordshire resumed on 18 August 2026.
18 Aug · World Nuclear News
Thea Energy closes Series B extension
A prior $100 million Series B led by Thomas Tull’s US Innovative Technology Fund had already been announced.
18 Aug · Markets Insider
Marvel Fusion signs Colorado laser pact
Marvel Fusion signed a letter of intent with the State of Colorado and Siemens Energy on laser-driven fusion.
14 Aug · neimagazine.com
Dennis Whyte named to run UKAEA Group this autumn
The open international search fills the post over more than 2,600 staff at four sites.
12 Aug · UKAEA
Fuse reports 1.27×10¹² neutrons in one shot
Fuse Energy Technologies Corp. reported a fusion neutron yield of 1.27×10¹² in a single shot on FAETON-X, called the highest by any commercial fusion company.
10 Aug · powermag.com
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ORNL licenses pellet fuelling kit to Type One
Four cryogenic inventions go to the stellarator developer for reactor-rate pellet production.
10 Aug · World Nuclear News
MAST Upgrade holds its highest plasma pressure
A fifth campaign at Culham produced more than 1,100 fusion plasmas and the highest pressure yet on MAST Upgrade without the plasma destabilizing.
7 Aug · theregister.com
MAST Upgrade hits its highest stable plasma pressure
UKAEA’s fifth campaign, through 2025 and 2026, produced more than 1,100 fusion plasmas at Culham Campus in Oxfordshire.
6 Aug · gov.uk
ORNL licenses pellet fueling to Type One Energy
Oak Ridge National Laboratory licensed four cryogenic pellet fueling inventions to Type One Energy in an agreement signed August 5 in Knoxville, Tennessee.
5 Aug · ornl.gov
TAE signs helium-3 option with Black Moon
TAE Technologies signed an agreement with Black Moon Energy Corporation under which BMEC would supply helium-3 fuel to TAE.
5 Aug · tae.com
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ITER seats a sixth tokamak sector, two-thirds of the core
The lift of sector module #1 finished on 28 July, about 1,100 tonnes and 30 hours, almost six months ahead of schedule.
31 Jul · world-nuclear-news.org
CFS adds another billion to fusion war chest
The Thursday round takes Commonwealth Fusion Systems to $4 billion raised to date.
30 Jul · techcrunch.com
Seoul puts fusion on a seven-technology growth list
President Lee Jae Myung named it on August 12 under 7 SEED.
Fusion Industry Association
South Korea puts fusion among seven growth bets
On August 12, President Lee Jae Myung named fusion energy a strategic technology under 7 SEED.
Fusion Industry Association
FIA UK director testifies on draft fusion planning statement
Tris Denton appeared before the ESNZ Select Committee on 9 September on NPS EN-8.
Fusion Industry Association
Fusion implosions hold up until flaws become abrupt
Physics of Plasmas paper: “Robustness of inertial fusion energy relevant implosions to low-mode asymmetries.”
Lawrence Livermore National Laboratory
Japan conditionally picks four private fusion demos
METI’s program is expected to provide about JPY 60 billion through 2028 toward 2030s power demonstration.
Fusion Industry Association
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