TerraPower boosts nuclear fuel effort amid calls for import ban

Ur Energy reps examine drill cuttings during a 2008 delineation effort in Wyoming's Great Divide Basin. WYOFILE/(Dustin Bleizeffer/

The U.S. needs to revitalize its uranium mining industry and fast-track an expansion of its nuclear fuel processing capabilities to end reliance on Russia and other foriegn adversaries for its nuclear power industry, Wyoming’s congressional representatives say.

U.S. Sens. John Barrasso and Cynthia Lummis, and U.S. Rep. Liz Cheney — all Republicans — have called for a prohibition on Russian energy, including uranium for nuclear fuel, in response to Russia’s attack on Ukraine. When a ban should be put in place, however, remains a question.

U.S. reliance on Russian imports has increased since 2020 when it supplied approximately 16% of low-enriched uranium for U.S. nuclear power, according to the U.S. Energy Information Administration. Another 22% came from Kazakhstan, 8% from Uzbekistan — both former Soviet Socialist Republics — while less than 14% came from domestic production.

“Banning Russian uranium imports will further defund Russia’s war machine, help revive American uranium production, and increase our national security.”

   Sen. John Barrasso (R-Wyoming)

An immediate ban on Russian uranium imports could result in spiking nuclear fuel prices and a more volatile world uranium market, according to industry experts.

Barrasso, ranking minority member of the Senate Energy and Natural Resources Committee, and Lummis introduced a bill in the Senate last week “to prohibit the importation of uranium from the Russian Federation.”

“While banning imports of Russian oil, gas and coal is an important step, it cannot be the last,” Barrasso said in a joint press release with Lummis and co-sponsors U.S. Sens. Roger Marshall (R-Kansas) and Kevin Cramer (R-North Dakota). “Banning Russian uranium imports will further defund Russia’s war machine, help revive American uranium production, and increase our national security.”

U.S. uranium production has steadily declined for more than a decade. (Energy Information Administration)

Natrium nuclear power plant in Kemmerer. Currently, the only commercial source for the “high-assay low enriched uranium” (HALEU) that the Natrium plant will require is located in Russia.

Future fuel supply for Natrium

TerraPower officials say there’s much work to be done to expand domestic nuclear fuel capabilities by the time it commences operations at its Natrium power plant in Kemmerer in 2028.

“While there are multiple uranium mines in America, the United States does not currently have commercial scale HALEU enrichment capability, deconversion facilities or fuel fabrication facilities for Natrium,” TerraPower’s Director of External Affairs Jeff Navin told WyoFile via email.

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