Subcritical
Austin, US · Founded 2024 · 32 employees on LinkedIn · 1 known investors
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Subcritical Systems develops accelerator-driven nuclear energy systems that use a particle accelerator to sustain fission in a subcritical core for electrical power generation in the US. The technology is designed to be inherently safe with no criticality potential and cost-competitive with natural gas.
Founders & leadership
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Stuart HendersonChief Technology OfficerStuart Henderson is a particle accelerator physicist with 35 years of experience designing, building, and operating particle accelerator facilities. He is now leading Subcritical Systems, which develops accelerator-driven nuclear energy systems for electrical power generation.
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ERIC PITCHERSenior Vice President, NuclearDr. Eric Pitcher served as Deputy Division Leader of the Physics Division at Los Alamos National Laboratory and later as Head of the Target Division at the European Spallation Source in Sweden, where he led the design and construction of a major neutron scattering facility. He is now Senior Vice President of Nuclear at Subcritical Systems, which develops accelerator-driven nuclear energy systems.
Investors · 1
Founder mafia
2 people who came through Subcritical went on to found or lead other companies.
Related companies · 3
Last EnergyLast Energy develops modular micro nuclear power plants designed to reduce deployment time and cost. The company targets decarbonization of global energy production and increased access to reliable power through scaled nuclear technology.
Aalo AtomicsAalo develops advanced nuclear reactor technology aimed at producing electricity at under 3 cents per kilowatt-hour. The company serves the global energy market and is focused on enabling virtually unlimited clean power generation.
X-energyX-energy develops advanced nuclear energy technology, including small modular high-temperature gas reactors and TRISO fuel. Its reactors are designed to supply electricity and high-temperature steam for utilities and energy-intensive heavy industry.
Companies working in the same space as Subcritical.
Frequently asked questions
- What does Subcritical do?
- Subcritical Systems develops accelerator-driven nuclear energy systems that use a particle accelerator to sustain fission in a subcritical core for electrical power generation in the US. The technology is designed to be inherently safe with no criticality potential and cost-competitive with natural gas.
- Who are Subcritical's investors?
- Subcritical's investors include Future Ventures.
- Where is Subcritical headquartered?
- Subcritical is headquartered in Austin, US.




