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Fuse Energy Technologies Stock

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Valuation DateAug 19, 2026
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Total Funding$148.75M
Latest Round Amount$100M1
Latest RoundSeries A
Funding Rounds3
IPO StatusUnknown
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About Fuse Energy Technologies

Fuse Energy Technologies is a fusion company that builds pulsed-power generators for nuclear radiation effects testing and as a path to commercial fusion energy. Its FAETON machines are dense plasma focus sources that fire neutron bursts so defense, space and semiconductor customers can test how electronics and materials hold up in high-radiation environments. The company also builds TITAN, an impedance-matched Marx generator meant to drive magnetized liner inertial fusion systems. Fuse makes money by selling radiation-as-a-service testing through FAETON and its Fuse Federal subsidiary.

Founded 2019
Country United States
CEO JC Btaiche
Founders JC Btaiche
Headquarters San Leandro, CA

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News

Fuse raises $100M to scale fusion generator production and radiation testing

Bloomberg Technology reported on August 19, 2026 that Fuse Energy Technologies closed $100 million in financing, which CEO JC Btaiche said will fund faster, cheaper production of fusion generators and...

7 weeks ago - Bloomberg

Investors Bet on Making Commercial Fusion a Reality

Fuse raised $100 million to accelerate development and commercialization of its fusion generators. CEO JC Btaiche told Bloomberg Tech the capital funds faster hardware production and an already operat...

7 weeks ago - Bloomberg

Fuse reports record fusion neutron yield from FAETON-X system

Fuse said its FAETON-X dense plasma focus generator produced 1.27×10¹² neutrons in a single shot, a yield it described as the highest publicly documented by any commercial fusion company.

2 months ago - POWER Magazine

Fuse signs five-year CRADA with Nevada National Security Sites

Fuse Energy Technologies signed a five-year cooperative research agreement with NNSS focused on tritium capabilities, neutron yield, and pulsed-power research for defense and fusion applications.

2 months ago - PR Newswire

Fuse Deepens Partnership Across U.S. Nuclear Security Enterprise with Five-Year Cooperative Research and Development Agreement (CRADA) with Nevada National Security Sites (NNSS)

Fuse signed a five-year umbrella CRADA with Mission Support and Test Services at the Nevada National Security Sites. Initial work covers next-generation fusion validation, tritium capabilities and hig...

2 months ago - Fuse Energy Technologies

Former Senior CIA Weapons and Counterproliferation Official Maura Burns Joins Fuse Advisory Board

Fuse appointed Maura Burns, former CIA chief operating officer and assistant director of the Weapons and Counterproliferation Mission Center, to its advisory board. The company said the appointment su...

3 months ago - Fuse Energy Technologies

Fuse expands U.S. radiation testing with Albuquerque facility

Fuse announced a new Albuquerque facility to expand radiation-as-a-service capacity for defense, space, and semiconductor customers, with operations expected to begin by summer 2026.

6 months ago - PR Newswire

Fuse Expands U.S. Radiation Testing Capacity with New Albuquerque Facility

Fuse said its federal subsidiary acquired land in Albuquerque to build a radiation-effects testing site scheduled to serve customers by summer 2026. The company described the site as Radiation-as-a-Se...

6 months ago - Fuse Energy Technologies

Fuse Federal Subsidiary Selected by Missile Defense Agency $151B SHIELD IDIQ Program to Support Golden Dome Defense

Fuse Federal Enterprise was awarded a seat on the Missile Defense Agency SHIELD multiple-award IDIQ, a vehicle with a $151 billion program ceiling. Fuse said it was selected for radiation-testing work...

8 months ago - Fuse Energy Technologies

Fuse Appoints Former Director of the Defense Counterintelligence and Security Agency and Palantir Executive to Advisory Board

Fuse added David Cattler, former DCSA director, and Wendy R. Anderson, a former Palantir SVP and Defense Department official, to its advisory board. The company said the appointments support its nucle...

10 months ago - Fuse Energy Technologies

Fuse Teams Up with Los Alamos National Laboratory (LANL), Signs Cooperative Research and Development Agreement (CRADA)

Fuse signed a CRADA with Los Alamos National Laboratory to evaluate hardware and develop fusion targets. LANL will work with Fuse on plasma, radiation and energy-output research tied to pulsed-power s...

1 year ago - Fuse Energy Technologies

Experimental results and analysis of plasma dynamics and radiation output of the 100 kV dense plasma focus FAETON-I

A peer-reviewed Nature Scientific Reports paper described Fuse's FAETON-I 100 kV dense plasma focus. The authors reported above-scaling deuterium-deuterium neutron yields from the privately built mach...

1 year ago - Nature Scientific Reports

Fifth Gait Technologies Completes Successful Shot Campaign on Fuse's Groundbreaking FAETON Fusion Radiation Source

Fuse said a test campaign with Fifth Gait Technologies fired more than 140 shots on FAETON, with a peak yield of 8x10^10 neutrons. The company also said it had booked commercial and U.S. Air Force rad...

1 year ago - Fuse Energy Technologies

Inside a Fusion Startup's Insane, Top-Secret Opening Ceremony

Wired described the August 2024 opening of Fuse's San Leandro facility, including the company's capacitor-driven fusion hardware. The piece placed founder JC Btaiche's startup in the race to engineer ...

1 year ago - WIRED

Nuclear Startup Fuse Valued at Over $200 Million in New Funding

Fuse raised $32 million in a 2024 round that valued the company at more than $200 million, according to CEO JC Btaiche. Investors included Buckley Ventures, Tamarack Global, Bracket Capital and Mantis...

2 years ago - Bloomberg

Fuse Signs Cooperative Research and Development Agreement (CRADA) with Sandia National Laboratories (Sandia)

Fuse Federal signed a CRADA with Sandia National Laboratories to jointly advance pulsed-power technology. Sandia's pulsed-power sciences director said the work could also improve the lab's stewardship...

2 years ago - Fuse Energy Technologies

Why Top Nuclear Experts And Ex-CIA Brass Joined A High School Grad's Tiny Fusion Startup

Forbes reported that JC Btaiche had raised $20 million for Fuse and recruited former nuclear and national-security officials as advisors. The company was pursuing fusion generators that also serve nuc...

2 years ago - Forbes