Domestic Tritium Supply Security
A domestic, self-renewing tritium source reduces exposure to concentrated supply and to the physics penalty of any interruption.
- Output class
- ~4 kg/yr tritium
- TBR lever
- 1.1 / 1.5 / 1.8
- Posture
- Domestic, self-renewing
Why domestic matters for a decaying isotope
For a stable material, an import interruption is a delay. For tritium, an interruption is a loss: while supply is paused, the ~5.5%/yr decay keeps eroding inventory. Domestic production with short, controllable supply lines shortens the window in which any disruption can bite, and keeps make-up under sovereign control.
The breeder's contribution
The breeder (Hyperion) is studied to breed tritium on the order of ~4 kg/yr from a lithium blanket while it operates, with the tritium breeding ratio treated as a design lever (1.1/1.5/1.8). As a domestic pathway it complements existing production, adding independence rather than replacing what works.
- Sovereign control of the make-up rate for a self-regenerating requirement.
- Short supply lines shorten the disruption-plus-decay window.
- Co-production of helium-3 and neutron services from the same platform.
Shortening the exposure window
For a decaying isotope, the security benefit of domestic production is best understood as shortening the window in which any disruption can do harm. Short, sovereign supply lines mean that a problem is detected and addressed close to home, before decay has eroded much inventory, and that no external decision can extend the interruption. This is why domestic capability matters more here than for a stable material, where an interruption is a delay rather than a loss. The breeder is studied as one element of that short-loop, sovereign supply, complementing rather than replacing existing production.
This is a supply-continuity argument, not a capacity guarantee. The breeder is a design and simulation study today; its stated output is a computed target that FOAK is intended to verify beginning around 2030.