Nuclear
28 companies · 14 metros · 6 investors
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Where Nuclear is being built
Recently on the Wire
NRC issues the first U.S. construction permit for a commercial small modular reactor, at TVA's Clinch River site
Milestone·Sep 29, 2026·GE Vernova
Fluxnium raises a $7M seed to pull uranium out of seawater for a domestic fuel supply
Funding·Sep 16, 2026·Fluxnium (PR Newswire)
Antares wins a $161M Space Force award to demonstrate a reactor in orbit, the largest DoD space nuclear award yet
Contract·Sep 11, 2026·Antares (press release)
Bluecore Energy raises a $50M seed to build floating nuclear reactors for US ports
Funding·Sep 8, 2026·World Nuclear News
DOE closes a loan of up to $1.9B to restart Iowa's only nuclear plant
Policy·Sep 8, 2026·U.S. Department of Energy
Investors focused on Nuclear
All 28 companies
Aalo AtomicsAustin
Nuclear·Energy
Factory-built nuclear power plants for data centers
AmperaPalm Beach Gardens
Nuclear·Energy
Factory-built nuclear microreactors
AntaresRedondo Beach
Nuclear·Energy
Factory-built fission microreactors for defense and space
Apollo AtomicsCambridge
Nuclear·Energy
Compact pressurized water reactors built in a factory
Applied AtomicsNew Orleans
Nuclear·Energy
Builds and operates modular nuclear fission plants on site
Avalanche EnergySeattle
Nuclear·Energy
Compact fusion machines for power and radiation sources
Blue EnergyChevy Chase
Nuclear·Energy
Nuclear power plants built with assembly-line methods
Bluecore EnergyLong Beach
Nuclear·Energy·Maritime
Barge-mounted 10 MWe floating nuclear reactor
Commonwealth Fusion SystemsDevens
Nuclear·Energy
Tokamak fusion power plants and superconducting magnets
Deep FissionBerkeley
Nuclear·Energy
Small reactors placed a mile underground in boreholes
Deployable EnergyHouston
Nuclear·Energy
Transportable 1 MW microreactors for industry and defense
First American NuclearCarmel
Nuclear·Energy
Advanced nuclear reactors for grid power
HelionEverett
Nuclear·Energy
Magnetic fusion power plants
InertiaLivermore
Nuclear·Energy
Laser fusion power plants and fusion fuel targets
Kairos PowerAlameda
Nuclear·Energy
Fluoride salt-cooled advanced nuclear reactors
OkloSanta Clara
Nuclear·Energy
Fast fission microreactors and nuclear fuel recycling
Pacific FusionSan Leandro
Nuclear·Energy
Pulser-driven inertial fusion for grid power
RadiantEl Segundo
Nuclear·Energy
Portable 1 MW nuclear microreactors
SHINEJanesville
Nuclear·Energy
Fusion-based neutron systems that produce medical isotopes
TerraPowerBellevue
Nuclear·Energy
Sodium-cooled fast reactors with molten salt energy storage
The Earthineering CompanyClaremont
Nuclear·Energy·Materials
Nuclear reactors that supply industrial process heat
Thea EnergyKearny
Nuclear·Energy
Stellarator fusion power plants with simplified magnets
Type One EnergyKnoxville
Nuclear·Energy
Stellarator fusion power plants for utility-scale energy
Valar AtomicsEl Segundo
Nuclear·Energy
Nuclear reactors for industrial power and fuel production
X-energyRockville
Nuclear·Energy
High-temperature gas-cooled small modular reactors and fuel
Zap EnergyEverett
Nuclear·Energy
Fission and sheared-flow Z-pinch fusion power systems
Zeno PowerWashington DC
Space·Nuclear·Energy
Radioisotope power systems for space and seabed missions
Zephyr FusionSan Diego
Nuclear·Energy·Space
Megawatt-class fusion reactors for power in orbit