Latest milestone
DOE identified the DBR reactor in its advanced-reactor contractor variance package without publishing a site.
2026-01 · DOE contractor variance package
Open primary source ↗← All deployments
Deep Fission DBR pilot
A DBR test-reactor project selected for DOE's Reactor Pilot Program; DOE has not published its site in the cited record.
Lead company · Deep Fission →
Program · Reactor Pilot Program
DOE pilot developmentLow confidence
Deployment stage3 / 8Development
Deployment trajectory
1Interest
2Preliminary
3Development
4Contractual
5Ready
6Physical
7Operational
8Replication
Next milestone
Disclose and authorize a site, complete the safety basis, and demonstrate construction and fuel readiness.
- Responsible
- Deep Fission and DOE Idaho Operations
- Key blocker
- Site disclosure, DOE authorization, construction method, and fuel
GenerationExperimental / unclassified
ScaleMicroreactor
Reactor familyLWR · PWR
RoleResearch / test
CapacityNot disclosed by DOE
Reporting basisGovernment-reported