Western SWU Gap — Enrichment Supply vs. Demand

SWU Supply Signal

CRITICAL

Current reading — May 2026

Western enrichment demand will exceed non-Russian supply for a documented 3–4 year window (2026–2028). The gap is being filled by strategic inventory drawdowns — a finite buffer. SWU spot at $188/SWU vs. LT $97.66/SWU is the largest spot premium in the market's history. Urenco and Orano expansions don't fully close the gap until 2029–2030. Every US utility still exposed to Russian enrichment (TENEX/Rosatom) faces a forced re-contracting event before Jan 1, 2028. There is no soft landing scenario for utilities that have not yet secured western SWU.

The spot/LT spread tells the whole story: $188 spot vs. $97.66 average LT paid in 2024 = +$90.34 premium. That is not noise. Utilities that locked in term contracts in 2022–2023 at $60–80/SWU are paying half what a utility buying spot pays today. This cost advantage is permanent for the life of those contracts — 5 to 10 years. Utilities that delayed re-contracting are now paying the maximum possible price to secure western supply.

Global Capacity

Who enriches the world's uranium — and who's being cut off

Global SWU Capacity by Enricher (2025E, million SWU/yr)

Total global capacity ~62M SWU/yr · Western = ~25M · Russian = ~27M · Chinese = ~10M

Enricher	Country	2025E Capacity (M SWU)	Global Share	PURA Status	2030E Capacity
Rosatom / TENEX	Russia	~27.1M	~44%	BANNED (US)	~27M (flat)
CNNC (China)	China	~10M	~16%	Not available (W)	~15M (est.)
Urenco (4 plants)	UK / NL / DE / US	~18–19M	~30%	WESTERN ✓	~20.5M (+2.5M)
Orano (Georges Besse II)	France	~7.5M	~12%	WESTERN ✓	~9.75M (+30%)
Centrus (Piketon)	USA	Pilot (~HALEU only)	<0.1%	WESTERN ✓	~TBD (expansion planned)
Total Western	Non-Russian/Chinese	~25–27M	~42%	—	~30M (+~3M)

The Gap

Western SWU supply vs. demand — 2024 through 2030

Western demand = US + EU + Japan + South Korea + other non-Russian-aligned utilities. Estimated from EIA UMAR (US = ~15M SWU/yr), Euratom Supply Agency (EU), and WNA reactor data. Scenario assumes full PURA enforcement and no Russian waiver extensions post-2027.

Western SWU Supply vs. Demand (M SWU/yr)

Supply = Urenco + Orano + incremental western capacity · Demand = western utilities ex-Russia · Gap filled by strategic inventory drawdowns

Year	Western Supply (M SWU)	Western Demand (M SWU)	Gap	Gap Filled By	PURA / Event
2022	~24M	~22M	+2M surplus	— Russian supply still flowing	Ukraine invasion · Russian supply fears begin
2023	~24.5M	~23M	+1.5M surplus	Some Russian still flowing via waivers	PURA signed May 2024 · pre-enforcement
2024	~25M	~24M	~+1M (tight)	Waivers granted; inventory drawdowns begin	PURA enforcement begins Aug 11, 2024
2025	~25.5M	~26M	−0.5M GAP	Strategic inventory drawdowns accelerating	Last waiver year — pressure building
2026	~26M	~27M	−1M GAP	Inventory drawdowns; spot buying surge	PURA waivers expiring · forced re-contracting
2027	~27M	~28M	−1M GAP	Tightest year — inventories low, spot spikes	Urenco +700K SWU USA online · partial relief
2028	~28M	~28.5M	−0.5M GAP	Hard ban forces any remaining Russian buyers to spot	Jan 1: Russian LEU hard ban. No exceptions.
2029	~29M	~29M	~balanced	Orano ramp + Urenco Almelo closes gap	Market begins to rebalance
2030	~30M+	~29.5M	+0.5M surplus	New capacity fully online	SMR demand begins adding to forecast

Sources: EIA UMAR 2024 · WNA Enrichment Working Group · Urenco Annual Results 2025 · Guzman SWU Opportunity Report 2025 · Investing News Network

Enricher Profiles

The five players that determine western enrichment supply

Urenco Group

Private (UK/NL/DE JV) · 4 plants · ~18–19M SWU/yr

Expansion Leader

The largest western enricher and the primary instrument for closing the SWU gap. Owns four plants: Capenhurst (UK), Gronau (Germany), Almelo (Netherlands), and Eunice (New Mexico, USA). Total committed new capacity: +2.5M SWU by 2030. First new US cascades operational May 2025 at Eunice. Almelo Stage 1 (+750K SWU) on schedule for 2027. Stage 2 (+750K SWU) targeted for 2030. Eunice has NRC license headroom to reach 10M SWU/yr long term.

Eunice NM (2023 actual)4.4M SWU/yr · +700K by 2027

Almelo NL expansion+750K SWU from 2027 · +750K more from 2030

Total committed new SWU+2.5M SWU by 2030

Eunice long-term license ceiling10M SWU/yr (current ~5.1M)

OwnershipUK Govt 33% · Dutch Govt 33% · German utilities 33%

Key signal to watch: Any Urenco announcement of Eunice expansion beyond the current 700K SWU phase would be a major market event — the site can nearly double current US capacity within its existing license. NRC amendment filings at Eunice NM are the early indicator.

Orano — Georges Besse II

Private (French state majority) · Tricastin, France · ~7.5M SWU/yr

Expanding

France's national enrichment plant and the second-largest western enricher. Georges Besse II replaced the older Eurodif gaseous diffusion plant — it is a modern centrifuge facility. In response to post-Ukraine supply chain restructuring, Orano has launched a 30% capacity expansion program targeting ~9.75M SWU/yr. Key role: supplies French EDF fleet (56 reactors) and exports to US and Asian utilities.

Current capacity~7.5M SWU/yr

Expansion target+30% → ~9.75M SWU/yr

Primary customerEDF (France, 56 reactors)

Export marketsUS, Japan, South Korea, Germany

Expansion timelineIncremental ramp 2025–2028

Centrus Energy

NYSE: LEU · Piketon, Ohio · HALEU pilot + EUP sales

Catalyst Watch

The only US-headquartered enrichment company but primarily an enriched uranium product (EUP) reseller, not a large-scale enricher. The Piketon facility runs one HALEU cascade (900 kg/yr) under DOE contract. Centrus has a $2.3B enriched uranium sales backlog — buying from Urenco/Orano and reselling under long-term contracts. The strategic play: if DOE funds a full centrifuge cascade expansion at Piketon for LEU (not just HALEU), Centrus becomes a genuine domestic enricher. That decision is the key binary event.

LEU enrichment capacityEffectively zero (reseller model)

HALEU production~900 kg/yr (1 cascade, DOE contract)

EUP backlog$2.3 billion

DOE enrichment investment$2.7B committed to domestic enrichment

Piketon LEU expansionFeasibility study — not yet funded/committed

DOE ≠ LEU enrichment capacity: Centrus receives significant DOE support and press coverage but currently enriches only HALEU at pilot scale. Its enriched uranium sales are resale of purchased EUP, not domestic enrichment. A Piketon LEU expansion decision is the trigger event that changes this — watch for DOE funding announcements and Centrus capex guidance.

Rosatom / TENEX

Russian state · ~27.1M SWU/yr · PURA-banned for US utilities

Sanctioned (US)

The world's largest enricher by a wide margin. Four massive enrichment complexes in Russia (Angarsk, Novouralsk, Zelenogorsk, Seversk) using highly efficient gas centrifuge technology developed from Soviet-era programs. Prior to PURA, US utilities sourced 35–40% of enrichment from TENEX. That supply pipeline is now being severed on a utility-by-utility basis as waivers expire. Russian enrichment pricing was historically 20–30% below western prices — that cost advantage permanently disappears for US utilities post-PURA.

Capacity~27.1M SWU/yr (~44% global)

Historical US market share35–40% of US utility SWU purchases

PURA statusBanned for US utilities · waivers through 2027 only

Hard ban dateJanuary 1, 2028 — no exceptions

Cost vs. westernWas 20–30% cheaper — gap now eliminated for US

The structural cost shift: Every US utility that transitions from TENEX to Urenco/Orano absorbs a permanent 20–30% enrichment cost increase on the SWU line. At $97/SWU average LT and 15M SWU total US annual purchases, a 30% cost increase = ~$435M/yr in additional US fuel costs. That flows to electricity prices over time.

CNNC (China)

Chinese state · ~10M SWU/yr · not available to western utilities

Not Available (W)

China's national enricher is the third-largest in the world and expanding rapidly to supply China's aggressive reactor build program (22 units under construction, 150+ GWe pipeline). Chinese enrichment is not commercially available to western utilities — geopolitically and technically off-limits. As China's domestic demand grows, CNNC increasingly enriches for China only, not for export. This means the global enrichment market is effectively bifurcating: Russian/Chinese bloc vs. western bloc.

Current capacity~10M SWU/yr

2030E capacity~15M SWU/yr (est.) for domestic demand

Available to US utilitiesNo

Strategic implicationRemoves ~16% of global capacity from western market

SWU Price History

Enrichment pricing — the sharpest signal in the fuel cycle

SWU Spot vs. Long-Term Contract Price ($/SWU)

Spot (UxC) · LT avg paid by US utilities (EIA UMAR) · Spread = Spot minus LT

Period	Spot ($/SWU)	LT / Avg Paid ($/SWU)	Spread	Key Event
2020	~$100	~$110	−$10	Russian supply abundant, prices soft, market complacent
2021	~$95	~$105	−$10	Pre-Ukraine. Russian pricing sets global floor.
2022	~$120	~$108	+$12	Ukraine invasion. First western re-contracting wave.
2023	~$140	$106.97	+$33	PURA signed. Western SWU demand surge. Spot accelerating.
2024 avg	~$160	$97.66	+$62	PURA enforcement Aug 2024. Spot surges. LT avg lower due to legacy contracts.
Dec 2024	~$185	~$166	+$19	New term contracts repricing rapidly toward spot.
Aug 2025	~$188	~$97.66 (2024 avg paid)	+$90 (spot vs. legacy LT)	Spot up 167% since Feb 2022. Largest premium in market history.

Sources: EIA Uranium Marketing Annual Report 2024 · UxC Nuclear Fuel Price Indicators · Guzman Energy SWU Report Oct 2025

Investor Synthesis

What the SWU gap means for uranium equity positions

Urenco is the most defensible western enrichment position — and it's not publicly listed. The closest public expression is utility-scale nuclear operators that have locked in long-term Urenco contracts (Duke Energy, Exelon/Constellation, Dominion). Their fuel cost advantage vs. utilities still on Russian supply is real and compounding. Check 10-K fuel supply disclosures for Urenco contract coverage as a quality signal.

Centrus (NYSE: LEU) is a binary option on a DOE enrichment decision. If DOE funds a Piketon LEU cascade expansion, Centrus transforms from a reseller into a domestic enricher — a completely different company at a completely different valuation. The $2.3B EUP backlog de-risks downside. The upside is the enrichment expansion call option. Monitor DOE budget requests and Centrus capex guidance as the trigger events.

The SWU gap amplifies uranium price sensitivity. A utility that runs short on SWU cannot simply buy more uranium to compensate — enrichment is a separate service with separate supply constraints. When both U3O8 and SWU are tight simultaneously (the 2026–2028 scenario), the combined fuel cost pressure is multiplicative. Nuclear generators with long-term contracts in both commodities have a structural cost moat vs. peers buying either on spot.

Utilities with Russian enrichment waiver exposure face a hard 2028 deadline. Any US utility still relying on TENEX/Rosatom enrichment under waiver must fully re-contract by Dec 31, 2027. At $188/SWU spot vs. $97/SWU legacy Russian pricing, the re-contracting cost hits earnings. Monitor 10-K fuel disclosures for "Russian enrichment services agreement" language as a red flag. See Utility Coverage & Uncovered Position report for per-utility tracking.

The 2030 rebalancing is not the end of the story — SMRs add a new demand layer. The SWU gap analysis above uses existing LWR demand only. SMRs (primarily BWRX-300, AP300) require standard LEU enrichment. If 5–10 SMRs come online by 2032–2035, western SWU demand jumps another 2–4M SWU/yr. The gap that closes in 2029–2030 could reopen on the other side of the SMR buildout. The Urenco Eunice license ceiling of 10M SWU/yr is not accidental headroom.

📊 Full SWU Gap Analysis — Pro

Year-by-year western SWU balance (2024–2031), enricher profiles (Urenco, Orano, Centrus, Rosatom, CNNC), SWU price history, and investor synthesis — including the $188/SWU spot scenario and re-contracting signal.

Unlock Full Report →

$9.99/mo · launching soon