Startup Dossier
Stellaria
French deep‑tech startup developing compact molten salt fast reactors (MSFR) — branded “Stellarium” — capable of renewing 100% of its fuel during operation, incinerating high‑level waste, and providing low‑carbon heat and electricity to industrial sites and utilities. Emphasizes safety (4‑barrier containment), waste‑burning, and flexible output for heavy industry.
About
French deep‑tech startup developing compact molten salt fast reactors (MSFR) — branded “Stellarium” — capable of renewing 100% of its fuel during operation, incinerating high‑level waste, and providing low‑carbon heat and electricity to industrial sites and utilities. Emphasizes safety (4‑barrier containment), waste‑burning, and flexible output for heavy industry.
Structural DNA
Legal Name
Stellaria
SIREN
837707512
Funding Lineage
Series A
Schneider Electric (Lead)
€23.0M
Jul 2025