Lost Creek ISR
Ur-Energy (URG) · Sweetwater County, Wyoming
MethodIn-Situ Recovery (ISR)
Q4 2025 production121,817 lbs
Q2 2025 production112,033 lbs (peak)
RoleSteady-state ISR base producer
Active
White Mesa Mill
Energy Fuels (UUUU) · Utah
MethodConventional mill + ISR feed
Q4 2025 production684,947 lbs (single quarter)
NoteBatch-driven; offline Q3 2025
Capacity2.0M lbs/yr (licensed)
Active
Alta Mesa ISR
enCore Energy (EU) · Texas
MethodIn-Situ Recovery (ISR)
Q3 2025 production206,231 lbs (peak)
Q4 2025 production142,699 lbs
Capacity~800K lbs/yr at full wellfields
Active
Nichols Ranch ISR
UEC · Wyoming
MethodISR
StatusNear end-of-mine-life
Q3 2025 production2 lbs (effectively depleted)
NoteAquifer restoration underway
Winding Down
Willow Creek / Christensen Ranch ISR
Uranium One (U.S.) · Campbell & Johnson Counties, Wyoming
MethodIn-Situ Recovery (ISR)
First productionQ3 2025 (26,421 lbs)
Q4 2025 production68,612 lbs
TrajectoryRamping; multiple wellfields
Ramping
Pinyon Plain Mine
Energy Fuels (UUUU) · Arizona
MethodConventional underground
StatusActive — breccia pipe deposit
Capacity~300K lbs/yr
Active
Crow Butte ISR
Uranium Energy Corp (UEC) · Nebraska
MethodISR
Q4 2024 production6,457 lbs
Q4 2025 production5,981 lbs
StatusIntermittent; aquifer restoration phase
Winding Down
Smith Ranch–Highland ISR
Cameco (CCJ) · Converse County, Wyoming
MethodIn-Situ Recovery (ISR)
Q4 2025 production12,049 lbs
StatusLow-rate production
NoteCameco maintaining US production toehold
Active (low rate)