Nuclear Reactor Risk Scale
Risk assessment based on age, safety regulations, geopolitical risks, and natural disaster exposure.
🔴 Extreme Risk (5)
High chance of severe accident
- Zaporizhzhia NPP Ukraine (Active war zone)
- Yongbyon reactors North Korea (No oversight)
- Bushehr Nuclear Plant Iran (Seismic risk)
🟠High Risk (4)
Significant vulnerabilities
- Fukushima Daini Japan (Seismic zone)
- Kursk/Smolensk Russia (RBMK reactors)
- Astravets Belarus (Safety concerns)
🟡 Moderate Risk (3)
Some concerns but generally stable
- Indian Point USA (Aging infrastructure)
- Fessenheim France (Closed in 2020)
- Kudankulam India (IAEA-monitored)
🟢 Low Risk (2)
Well-regulated and modern
- Vogtle 3 & 4 USA (AP1000 design)
- Olkiluoto 3 Finland (EPR reactor)
- Shin Kori South Korea
✅ Minimal Risk (1)
Safest or decommissioned
- ITER France (Fusion reactor)
- Decommissioned plants Global (No operational risk)
- Research reactors Canada, Australia, etc.
Key Takeaways
- Extreme Risk (5): War zones, rogue states, or reactors with weak oversight.
- High Risk (4): Aging reactors in politically unstable regions.
- Moderate Risk (3): Older reactors in stable countries.
- Low Risk (2): New reactors with strong safety cultures.
- Minimal Risk (1): Research reactors or decommissioned plants.
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