Production Inputs
5MWe Active
Reactor Power (5MWe Yongbyon)
5 MWth
Reactor Operating Days / Year
280 days
Centrifuge SWU (Yongbyon+Kangson)
8,000 SWU
Enrichment Operations Timeline
18 yrs
Plutonium / Core (Avg)
4.0 kg
HEU / Warhead (Avg)
20.0 kg
Composite / Boosted Ratio
60%
Stockpile Estimate Divergence
D3 Engine
Simulated Warhead Capacity Ceiling
115
Estimated range: 90 to 125 warheads
Annual Pu Generation
5.6 kg/yr
Total Pu: ~55 kg
Annual HEU Output
80.0 kg/yr
Total HEU: ~1,440 kg
Agency Discrepancy Matrix
2026 Audit
South Korea MoD (2026)
Up to 120
+4.2% Delta
SIPRI Yearbook 2025/26
50 – 90 (Mid 70)
+43.8% Delta
Fed. American Scientists (FAS)
50 Assembled
-78.5% Delta
Trump Public Statement
~20 - 30 Claims
-283.3% Discrepancy
Sources: Reuters dispatch (Aug 2026), ROK Parliamentary Intelligence Committee briefing, SIPRI Armaments & Disarmament, FAS Nuclear Notebook.