US uranium mines produced 2,109 thousand pounds of triuranium octoxide (U3O8), or uranium concentrate, in 2025, a significant increase from the 657,000 pounds produced in 2024, the Energy Information Administration said in its latest Domestic Uranium Production Report.
The production of U3O8 is the first step in the nuclear fuel production process, preceding the conversion of U3O8 into uranium hexafluoride (UF6) to enable uranium enrichment, then fuel pellet fabrication and finally fuel assembly fabrication.
The EIA, a government agency, said exploration and development drilling activities in 2025 were at the highest levels since 2013 for number of holes drilled and for total footage drilled.
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