Otrera

French tech company | Builders Republic

About

Nuclear-energy deeptech company developing compact, modular Gen IV sodium-cooled fast reactors that produce both competitive electricity and heat — designed to decarbonize industry, urban heat networks, and data centers while supporting energy sovereignty, with a passively safe design that recycles its own fuel, built on decades of French fast-reactor research.

Key facts

Status
Active
Sectors
Climate, Cleantech & Energy
Latest stage
Series B
Founded
2024
City
AIX-EN-PROVENCE
Region
Provence-Alpes-Côte d’Azur
Tracked rounds
1
Amount raised
17 M€ raised since 2020

Funding rounds

  • Series B — 2026

Investors