goingcritical:brest-od-300Russia · SMR
BREST-OD-300
Site: Seversk, Tomsk Oblast
Status: Under construction — target criticality 2026 (confidence: low) target
Summary:
World's first lead-cooled fast reactor demonstration unit, core of the Proryv closed-fuel-cycle pilot complex
Rosatom-stated physical launch target of 2026 with grid connection planned for H1 2027; some reports indicate the launch may slip to 2029 pending additional R&D
Details
| Design | BREST-OD-300 lead-cooled fast reactor (nitride fuel) |
| Capacity | 300 MWe |
Milestone history
- Announced —
- Construction start June 2021
- Fuel load —
- First criticality target 2026
- Grid connection —
- Commercial operation —