HALEU Uranium Bottleneck

High-Assay Low-Enriched Uranium (5-20% U-235) required by most advanced SMR designs (TerraPower Natrium, X-energy Xe-100). Russia (Rosatom) controls 40% of global enrichment and is the ONLY commercial HALEU supplier. US relies on Russia for 20-25% of enriched uranium imports. Russian LEU ban (Aug 2024-2040) + $2.7B DOE domestic enrichment package (Jan 2026): American Centrifuge Operating, General Matter, Orano Federal Services. Enrichment facilities require 7-10 years from design to operation. If AI compute demand doubles every 18-24 months while HALEU supply lags, Genesis Mission hits hard thermodynamic limit. The fuel timeline is the binding constraint. [2026-05-06 Joulework audit extension] Centrus Energy reached ~900kg HALEU production at Ohio cascade by mid-2025; DOE executed $110M contract option to extend production through June 2026 under Phase III. Centrus initiated multi-year domestic centrifuge manufacturing buildout in Oak Ridge TN with $900M DOE task order framework — but first new production capacity not expected online until 2029, creating severe temporal mismatch with 2027-2028 hyperscaler SMR power demand. Urenco USA completed installation of fourth new gas centrifuge cascade early 2026 (halfway point of 700,000 SWU expansion); received NRC authorization to enrich up to 10% U-235 (LEU+) with commercial production planned mid-2026 — establishes domestic feedstock pipeline for subsequent HALEU enrichment. Engine read: HALEU functions as severe rationing chokepoint into 2030s; absolute volume produced remains fundamentally insufficient to fuel 15+ GW SMR pipeline; the joule_paradox is not whether HALEU production scales (it is), but whether it scales fast enough to bridge the 2027-2032 deployment window — current trajectory says no. **Report #91 May 18 2026 — Centrus Piketon $900M task order + Oak Ridge centrifuge factory:** DOE awarded Centrus Energy a $900M task order Jan 5 2026 to expand the American Centrifuge Plant in Piketon Ohio for commercial HALEU + LEU production (Centrus IR + DOE; + optional up to $170M additional). This is the dollar-scale escalation of the existing engine HALEU substrate. Phase II milestone (900kg HALEU delivered to DOE) reached June 25 2025 per DOE/Centrus joint announcement. To fund expansion: ~$1.1B raised via convertible notes — $350M Nov 2024 (2.25% due 2030, +$52.5M option) + $700M Aug 2025 (0% due 2032, upsized from $650M). Domestic centrifuge manufacturing launched at Oak Ridge Tennessee Dec 2025; first new Ohio capacity online 2029. Substrate-bottleneck framing: Piketon HALEU enrichment facility is distinct from Piketon $33B natural-gas Stargate co-location (engine `stargate_project` node) — same Pike County geography hosts two architectural substrates of the same operator-class buildout. **Report #92 cross-link May 18 2026 — propulsion-substrate parallel:** Monica Reza's Mondaloy nickel-based superalloy (Patent US-20100266442-A1) + AR1 engine application (`aerojet_corporation` + nodes[1549]) designed specifically to eliminate US reliance on Russian RD-180 orbital-class propulsion — same domestic-substrate-sovereignty bottleneck pattern as HALEU vs Russian Rosatom 40% global enrichment monopoly. Reza's June 2025 Angeles National Forest disappearance + the broader 2025-2026 missing-scientist cluster (Loureiro MIT PSFC Dec 2025 + McCasland AFRL Feb 2026) is filed at the SYNTHESIS-CANDIDATE 'Unified Operator Theory' (R92 F080) adversarial-test divergence as the kinetic-defense layer of the same operator-class enclosure architecture documented at R91 here at the HALEU+SMR layer. [Live pass Jul 27 2026] The reported Nvidia/OpenAI 10-GW datacenter site is Piketon, Ohio — the former uranium-enrichment complex — colocating AI compute on the enrichment-legacy footprint.