Key Takeaways
- Urenco USA is expanding America’s sole commercial uranium enrichment plant by approximately 50%
- The multibillion-dollar initiative adds 2.1M SWU capacity at the New Mexico facility, launching in 2032
- Nuclear stocks rallied Tuesday, including Ur-Energy jumping 22.8% and Uranium Energy climbing 13.6%
- Russian uranium imports were prohibited by the U.S. in 2024, with complete enforcement by 2028
- Three Mile Island secured federal clearance for restart operations, aiming for 2027 to supply Microsoft’s data infrastructure
Nuclear and uranium equities experienced significant gains Tuesday following Urenco USA’s announcement of a major expansion plan for the nation’s sole commercial-grade uranium enrichment operation.
The facility upgrade will introduce 2.1 million separative work units of additional annual enrichment capacity at the Eunice, New Mexico location. This enhancement will elevate total operational capacity from 4.3 million SWU to 6.4 million SWU.
Urenco operates as a multinational consortium with British, Dutch, and German ownership. The company employs advanced gas-centrifuge technology to manufacture low-enriched uranium, processed to 5% enrichment levels suitable for current-generation nuclear power plants.
Initial centrifuge cascade systems are projected to commence operations in 2032, with subsequent installations continuing through 2036.
The initiative is supported by extended-term agreements with American utilities and represents a multibillion-dollar capital commitment from Urenco.
Market Response Shows Strong Investor Interest
Equity markets demonstrated immediate enthusiasm. Ur-Energy led sector gains with a 22.8% surge. Uranium Energy advanced 13.6%, Energy Fuels increased 10.9%, and Oklo climbed 9.8%.
NexGen Energy posted a 9.1% gain, NuScale Power advanced 8.2%, and Cameco increased 7%. Denison Mines similarly gained 7%. Centrus Energy rose 5.3%, Lightbridge advanced 5%, and Nano Nuclear Energy added 2.9%.
The widespread upward movement throughout nuclear equities demonstrates the sector’s sensitivity to domestic supply developments.
Russian Import Restrictions Accelerate Domestic Capacity Needs
Context is critical for understanding this expansion’s significance. Russia has historically provided approximately one-quarter of American uranium requirements. Federal legislation prohibited Russian enriched uranium imports in 2024.
Temporary exemptions remain available through 2028, after which comprehensive restrictions take full effect. This regulatory timeline is driving utilities and capital allocators toward American-based supply solutions.
Urenco’s capacity enhancement directly addresses this emerging supply deficit. The New Mexico operation represents the country’s exclusive commercial enrichment infrastructure currently in production.
Three Mile Island Receives Federal Approval for Reactivation
Tuesday delivered additional positive developments for the nuclear sector. Federal energy authorities granted regulatory approval permitting Constellation Energy to transfer transmission rights, eliminating a major obstacle to restarting Three Mile Island.
Constellation is pursuing a 2027 operational restart timeline. The facility will deliver electricity to Microsoft‘s expanding data center operations upon reactivation.
Federal agencies additionally authorized the distribution of weapons-grade plutonium to five emerging energy companies last week, including Oklo. Industry participants indicate these materials can rapidly fuel next-generation reactor designs as commercial deployment accelerates.
GE Vernova shares also appreciated Tuesday, benefiting from the sector-wide momentum.
The convergence of Urenco’s expansion announcement, Three Mile Island’s restart authorization, and persistent domestic supply constraints stemming from Russian import restrictions collectively propelled nuclear sector equities higher throughout Tuesday’s trading session.



