Aalo-X is a critical test reactor built in Austin and activated at INL under DOE Reactor Pilot Program. Validates Aalo-1 design.
Reached first criticality on 4 July 2026 at INL. Operating in demonstration mode.
Updated 4 Jul 2026Checked 10 Oct0 updates this week
Thin walls, less material and engineering.
Compact, fewer long-lived wastes.
Validates mass production logistics.
| Spec | Aalo-X |
|---|---|
| Thermal power | ~30 MWtR (reported) |
| Electric output equivalent | ~10 MWeR (reported) |
| Coolant | Liquid sodiumR (reported) |
| Fuel form | 5% enriched UO₂R (reported) |
| Reactor type | Sodium thermal fast reactorR (reported) |
R reported by the company
Aalo Atomics
Fast reactors, sodium-cooled, mass manufacturing, AI data centres
Aalo Atomics develops mass-manufactured sodium-cooled fast reactors for data centres. Founded 2023, reached criticality 4 July 2026. Partners with Crusoe Energy.
