Building One
Janesville, Wisconsin
RADIATION EFFECTS TESTING & RADIOCHEMISTRY
Fusion neutrons and radiochemistry, under one roof
Building One brings two of our core capabilities together in a single development environment. high-output fusion neutron generation and
advanced radiochemistry.
The facility operates our radiation-effects testing
system, a fusion source running at approximately 46 trillion reactions per second in steady state, with output high enough to produce the blue Cherenkov light typically seen in fission reactors. Aerospace, defense and national security customers use it to validate how materials and electronics perform under radiation without relying on aging research reactors.
Building One’s radiochemistry laboratories support the separation and purification processes behind our isotope production and are advancing the chemistry required to recycle used nuclear fuel.
Key Facility Stats
Primary Product
Radiation Effects Testing & Radiochemistry R&D
Status
Operational
Distinction
Believed to Be the Highest Steady-State Fusion Rate Ever Achieved on Earth
System Type
High-Output Fusion Neutron Source
Energy Output
Approximately 46 trillion fusion reactions per second in
steady-state operation
Our first building in Janesville, Building One is where some of our boldest ideas were conceived and proven. It’s where we achieve the highest steady-state fusion rate ever on earth and explore the limits of recycling chemistry.
VIDEO TOUR
See inside Building One
Tour Building One, home to our 14MeV radiation effects testing service and elite radiochemistry team.
PHOTO GALLERY
Inside Building One
Take a look inside Building One, where SHINE’s radiation effects testing system puts critical hardware through some of the most intense fusion neutron conditions in the industry and our radiochemistry team works every day.
CAPABILITES
Capabilities & specs
Radiation effects testing
We test how materials, components and electronics hold up under extreme radiation, so aerospace and defense programs can qualify hardware in a matter
of days.
Highest steady-state neutron flux
We deliver steady-state 14 MeV neutron flux at a higher source strength than competitors offer.
Parallel irradiation
Customer devices ride down to the neutron source on cassettes, without draining the irradiation chamber to swap parts by hand. One run with multiple parts and conditions for faster results.
Separation and purification science
The separation and purification science we develop here runs our isotope production, including a proprietary lutetium-177
purification method.
Feedstock recovery
Isotope production consumes far more. enriched material than it converts. Our chemists recover and return it to the next cycle rather than starting each batch from new feedstock.
Used fuel recycling chemistry
We are developing the chemistry behind recycling used nuclear fuel, advancing proliferation-resistant separation of uranium.
Two capabilities fusion needs
Fusion energy will require both high-output neutron generation and advanced separation science. Building One is where we develop them together, in commercial markets that pay for the practice, rather than waiting to solve them later.
Building One: fusion bright enough to glow Cherenkov blue
salle de presse
Building One in the news
FACILITIES
One platform, multiple facilities
Across our facilities, the same core capabilities support fusion-system development, neutron testing, medical-isotope production, radiochemistry and commercial operations.
Janesville, Wisconsin
Once complete, we expect Chrysalis to be among the largest medical isotope production facilities of molybdenum-99 (Mo-99) in the world. Producing it in the U.S. with fusion-driven technology, our facility will close a supply gap left by end-of-life reactors overseas and ease real shortages for hospitals.
Janesville, Wisconsin
Cassiopeia produces Ilumira, our non-carrier-added lutetium-177 for cancer treatment. Ilumira’s consistently high quality supports precise, reliable dosing for treatment programs worldwide.
Fitchburg, Wisconsin
Heliopolis is our 47,500 square-foot manufacturing site in Fitchburg, Wis. This is where we design, build and test entire first-of-a-kind fusion systems. Electromagnets, ion sources, tritium handling equipment — if it doesn’t exist yet, we build it here.
Janesville, Wisconsin
Building One runs our radiation effects testing system at approximately 46 trillion fusion reactions per second. Aerospace and defense customers test how their electronics hold up under radiation here, while our radiochemists develop the separation science behind our isotopes and fuel recycling.
Fitchburg, Wisconsin
Our imaging center uses neutron radiography and CT to see inside components and catch flaws invisible to X-rays. We’re one of a limited number of commercial facilities worldwide that can do this without relying on a nuclear reactor.
North Billerica, Massachusetts
Our Isotope Delivery Campus produces and distributes SPECT imaging agents that support millions of diagnostic procedures annually for cardiac, pulmonary, thyroid and other applications for hospitals and imaging centers across North America.