Thursday, April 24, 2025

Nuclear Reactor Risk Scale

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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