Idealab-founded developer of NuSun, a factory-built heat-pipe microreactor on TRISO fuel, offered as NuSun-1 (~1.3 MWe) and NuSun-15 (~15 MWe). Admitted 6-Nov-26 under the inclusion rule: with Idaho State University, selected for DOE's Nuclear Energy Launch Pad (announced 29-Apr-26) for the ART research reactor at ISU in Pocatello. Running electrically heated, non-nuclear tests at the San Rafael Energy Lab in Utah. A SPAC merger with Launch Two (~$500M pre-money reported) is expected to close in the second half of 2026.
2 in the tracker
| Design | Stage | Type | Coolant | MWe | Site | Criticality | Open in |
|---|---|---|---|---|---|---|---|
| NuSun | Commercial | Heat Pipe | Sodium | 1.3 | Site TBD | TBD | TimelineDesign spaceAnatomy |
| ART Reactor (ISU) | Demo | Heat Pipe | Sodium | — | Idaho State University, Pocatello | TBD | Anatomy |
No announced deals with a named counterparty.
Nothing tracked yet.