TheTechno Optimist.

Newcleo—Newcleo to go public on Nasdaq via merger with NewHold Investment Corp III at $2.4B valuationNewcleo—Newcleo closes €75 million funding round to advance lead-cooled reactor developmentLFR-AS-30Newcleo—Newcleo submits safety documentation for LFR-AS-30 to French nuclear regulator

LFR-AS-30

by NewcleoFR

Demonstrate that lead-cooled fast reactors can operate safely in Europe, prove the closed fuel cycle works at scale, and establish the technology as viable for future commercial deployment.

ProtoStage 2 of 5

Safety docs submitted Jan 2026; site acquisition at Chinon; first criticality 2031.

Updated Jan 2026Checked 11 Oct0 updates this week

Milestones

Next · Precursor non-nuclear test facility completed at Brasimone, Italy
  1. Precursor non-nuclear test facility completed at Brasimone, ItalyTarget 2026Current milestone.
  2. Safety documentation submitted to ASNRJan 2026Complete.
  3. Construction authorization application submittedTarget 2026Not yet reached.
  4. Final investment decision for first commercial plantTarget 2029Not yet reached.
  5. LFR-AS-30 first criticalityTarget 2031Not yet reached.

Most important updates

Upcoming

  1. 2026Precursor non-nuclear test facility completed at Brasimone, Italy (next)
  2. 2026Construction authorization application submitted
  3. 2029Final investment decision for first commercial plant
  4. 2031LFR-AS-30 first criticality
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