A California-based fusion energy company announced it has reached an industry milestone. Fuse Energy Technologies Corp. on August 11 published a report noting the company set a record for the highest fusion neutron yield—1.27×10¹² in a single shot—by any commercial fusion company.
The group said it is the first fusion company, either private or commercial, to publicly document a neutron yield in the 10¹² range. The company, founded by JC Btaiche, who serves as CEO, and whose advisory board includes leaders from the U.S. Dept. of Energy and Dept. of Defense, along with prominent technology companies, on Tuesday said that goal previously was only attained by U.S. national laboratories. Fuse has built the FAETON-I pilot machine, a 100 kV, 125 kJ Dense Plasma Focus (DPF) fusion generator. According to the company, the generator produces high-efficiency neutron bursts and unique radiation environments, which can be used to test defense and commercial aerospace hardware against hostile conditions on the path to commercializing fusion energy.
Fuse officials said the company’s latest work “exceeds the fusion neutron yield per MJ [megajoule] of the world’s largest government plasma focus facilities.” It said the closest level is Lawrence Livermore National Lab’s MJOLNIR at 1.2×10¹²/1.3 MJ, vs. FAETON-X’s 1.27×10¹² from just 1 MJ (~40% more neutrons per megajoule). FAETON-X is the larger, megajoule-class-scaled technology designed for higher energy and current than the pilot FAETON-I.
“Fusion has reached an inflection point, and private companies are now at the forefront of technology development,” said Btaiche. The CEO told POWER, “At Fuse, we’ve built a track record of designing, building and commissioning new technologies at a pace that was previously hard to imagine. With FAETON-X, we went from design to first shot in nine months, and from that first shot to breaking records in another nine months, all while completing the regulatory and safety approvals required in California. That pace gives us confidence in how quickly we can continue to advance the technology.”
Btaiche continued, “We also care deeply about technical rigor and transparency regarding our progress. Many bold claims have been made in fusion, and rigorous peer review is how we build lasting credibility and sustain the industry’s momentum. FAETON-X represents another breakthrough for us, and our third technical paper on a new technology in three years. We’re excited to keep accelerating that pace and move fusion closer to commercialization.”
Fuse noted that “in pulsed-power z-pinch devices, neutron yield scales as the fourth power of drive current—FAETON-X’s record current efficiency (4.5 MA/MJ, highest ever for a MJ-class plasma focus vs. 2.35–3.25 for all published peers, government included) means the steepest scaling curve in pulsed-power fusion now belongs to a private company.” The company said, “The record was set before full conditioning—scaling projects >2×10¹² D-D per shot, and ~5×10¹³ in D-T: another 40x on today’s record.”
Read more about Fuse’s work, and its recent agreement with the Nevada National Security Site, in this article from Exchange Monitor, one of POWER’s sister publications (subscription required; free trial available).
In a news release, Fuse said its milestone matters for commercial fusion energy because “Neutrons are the direct product of fusion reactions—neutron yield per unit of stored energy is the honest scoreboard for how much fusion a machine actually produces per dollar of capacitor bank.
“Because yield scales as the fourth power of drive current, the efficiency race compounds brutally: a machine that gets 40% more current per megajoule doesn’t get 40% more fusion, it gets roughly 4x. FAETON-X holding the efficiency record means the steepest scaling curve in the field now belongs to a private company—one that designed, built, and fired the machine on venture timelines and a fraction of a national-lab budget. That’s the industry story: the record didn’t just change hands from government to private—the private machine did it with less energy, less money, and less time, and it isn’t fully conditioned yet.”
POWER is at the forefront of coverage of the fusion energy sector. Go here to see our archived articles on the subject. To learn more about the companies leading the global race to commercialize fusion energy, read “Research Brings Results in Search for ‘Holy Grail’ of Clean Energy” in POWER’s February 2026 Special Report on groundbreaking power generation technologies.
Fuse Energy is known for its flagship breakthrough, known as TITAN, which the company calls “the world’s first high-energy, high-power impedance‐matched Marx generator (IMG). TITAN is a critical advancement in pulsed power systems and Magnetized Liner Inertial Fusion (MagLIF) technology, delivering unmatched efficiency and performance for both commercial fusion energy and nuclear effects testing.”
—Darrell Proctor is a senior editor for POWER.
Facts Only
* Fuse Energy Technologies Corp. set a record for the highest fusion neutron yield, $1.27 \times 10^{12}$ in a single shot, by any commercial fusion company.
* The company is the first private or commercial fusion company to publicly document a neutron yield in the $10^{12}$ range.
* The record was set using the FAETON-I pilot machine, a 100 kV, 125 kJ Dense Plasma Focus (DPF) fusion generator.
* Fuse's latest work exceeded the fusion neutron yield per megajoule of the world’s largest government plasma focus facilities.
* The closest level among government facilities is Lawrence Livermore National Lab’s MJOLNIR at $1.2 \times 10^{12}$ per $1.3$ MJ, compared to FAETON-X's $1.27 \times 10^{12}$ from just $1$ MJ.
* FAETON-X is the larger, megajoule-class-scaled technology developed by Fuse.
* The record was set before full conditioning, with scaling projects exceeding $2 \times 10^{12}$ D-D per shot and approximately $5 \times 10^{13}$ in D-T yields.
* FAETON-X achieved a record current efficiency of $4.5$ MA/MJ for pulsed-power fusion, higher than published government peers ($2.35–3.25$).
Executive Summary
A California-based fusion energy company, Fuse Energy Technologies Corp., achieved a record for the highest fusion neutron yield of $1.27 \times 10^{12}$ in a single shot, setting a milestone for commercial fusion efforts. This achievement is significant because it marks the first time a private or commercial fusion company has publicly documented a neutron yield in the $10^{12}$ range, a level previously only reached by U.S. national laboratories. The company developed the FAETON-I pilot machine and is advancing with the larger, megajoule-class-scaled FAETON-X technology. Officials noted that this record exceeds the neutron yield per megajoule achieved by the world’s largest government plasma focus facilities, demonstrating superior efficiency.
The development is framed as an inflection point where private companies are leading technological advancement in fusion. The CEO described achieving the record pace through rapid design, building, and testing, emphasizing the importance of technical rigor and peer review to build credibility. The company further highlighted that their technology demonstrates a steeper scaling curve for pulsed-power fusion compared to government facilities when considering efficiency per unit of stored energy.
Full Take
The narrative centers on the transition of a critical technological benchmark—the fusion neutron yield per unit of energy input—from government laboratories to a private entity operating on venture timelines. This shift implies that the rate of innovation is no longer solely dictated by large governmental budgets but can be accelerated by agile, commercially driven development. The emphasis on scaling efficiency, particularly noting that pulse-power scaling yields as the fourth power of drive current, introduces a mathematical constraint that directly favors the private entity's demonstrated efficiency advantage in the context of energy metrics.
The claim that the record reflects the "steepest scaling curve" belonging to a private company suggests a systemic reordering of technological dominance, where the ability to efficiently translate energy input into fusion output is now seen as a key differentiator over sheer scale of government investment. This structure challenges the traditional model where national laboratory achievements serve as the uncontested benchmark for physical limits. The focus on technical rigor and peer review, while laudable for credibility, operates within this context of rapid, high-stakes development.
The implication is that private sector velocity is not merely complementary but fundamentally reshaping the trajectory toward commercialization by demonstrating a faster route to realizing fundamental physics outcomes. The underlying pattern suggests that when efficiency gains are mathematically tied to scaling laws, the mechanism of discovery can be decoupled from the inertia of large institutional structures. This raises questions about how regulatory frameworks and public funding mechanisms will adapt to this new reality where private R&D sets the pace for commercial technology readiness.
BRIDGE QUESTIONS:
If private entities demonstrate superior scaling curves in pulsed-power fusion, what specific policy changes are necessary to ensure that these rapid innovations translate into robust, safety-vetted commercial infrastructure? How will the industry establish governance structures that integrate the speed of private innovation with the necessity of long-term safety validation required for energy technologies? What mechanisms can be developed to bridge the gap between breakthrough performance and regulatory acceptance at this accelerated pace?
Sentinel — Human
The article appears to be grounded in technical reporting from a specialized industry publication, using direct quotes to frame the company's claims about technological advancement.