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Thus, a uranium backup is not a “buffer stock” for price smoothing alone—it is a for critical infrastructure. 3. Policy and Market Rationales 3.1 Geopolitical Risk Hedging Russia’s 2022 invasion of Ukraine triggered spot uranium prices to rise from ~$30/lb to >$100/lb. Western utilities that had forward-covered supply faced minimal disruption, but others without reserves faced contract renegotiations. A strategic uranium reserve would have dampened the panic.
| Feature | Implication for backup | |--------|------------------------| | High energy density | Storage costs are low (a year’s supply for a 1 GWe reactor fits in a small warehouse). | | Long lead times | Mining to fuel fabrication takes 24–36 months. A sudden disruption cannot be quickly compensated. | | Geographically concentrated enrichment | ~46% of global SWU (Separative Work Units) in Russia; 35% in Europe; 15% in US/China. | | Political sensitivity | Uranium from Kazakhstan (41% of mining) transits Russia. | uranium backup
The term “uranium backup” has emerged in policy discussions to mean dedicated, government-managed or utility-owned inventories that bridge supply gaps. This paper examines its rationales, design challenges, and strategic implications. Unlike oil (IEA-mandated 90-day stockpiles) or natural gas (EU underground storage), uranium has unique characteristics: Thus, a uranium backup is not a “buffer
| Model | Example | Advantages | Disadvantages | |-------|---------|------------|----------------| | | Japan’s 6–10 year equivalent fuel inventory | No public cost; operational flexibility | Uneconomical for small utilities; opaque to regulators | | Government-owned natural uranium | US Strategic Uranium Reserve (2022–2026, $75M for 1M lb U3O8) | Low storage cost; can be sent to any enricher | Enrichment remains the bottleneck; years to become fuel | | Government-owned LEU (low-enriched uranium) | Proposed US “Enriched Uranium Reserve” (2023) | Ready for fabrication within months | Higher cost; requires diplomatic agreements on SWU origin | | International fuel bank | IAEA LEU Bank in Kazakhstan (operational 2019) | Reduces proliferation-driven supply cuts | Limited to ~90 tonnes; administrative delays | | | Long lead times | Mining to