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March 26, 2024, 9:30AMNuclear News

TerraPower officials said last week to expect “dirt moving” at its Wyoming site come June—and for operations to begin there as early as 2030—as it advances plans to build new nuclear in the United States. But 40-plus pages of initial commentary from the Nuclear Regulatory Commission, in the form of a preapplication readiness assessment report, may slow TerraPower’s plans.

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Construction begins on X-energy’s Oak Ridge advanced fuel facility

November 18, 2025, 12:07PMNuclear News

Small modular reactor developer X-energy and its subsidiary TRISO-X announced yesterday the start of above-ground construction for its TX-1 advanced nuclear fuel fabrication facility in Oak...

NRC could improve decommissioning trust fund oversight, OIG reports

November 17, 2025, 3:00PMRadwaste Solutions

The Nuclear Regulatory Commission could do more to improve its oversight of decommissioning trust funds, according to an assessment by the NRC’s Office of Inspector General. In particular,...

New financing round benefits Valar

November 13, 2025, 3:00PMNuclear News

Hawthorne, Calif.–based reactor start-up Valar Atomics recently announced that it has raised $130 million in its Series A funding round, led by venture capital groups Snowpoint, Day One, and...

Beyond Nuclear brings interim storage case back to Supreme Court

November 13, 2025, 7:03AMRadwaste Solutions

The U.S. Supreme Court may once again scrutinize the Nuclear Regulatory Commission’s authority to license consolidated interim storage facilities for commercial spent nuclear fuel. The...

X-energy begins irradiation testing at INL

November 12, 2025, 3:01PMNuclear News

Advanced reactor and fuel developer X-energy has officially begun confirmatory irradiation testing at Idaho National Laboratory on its TRISO-X fuel. The testing, which is taking place over the...

ANS Winter Conference: Nuclear start-ups applaud DOE executive order on reactor testing

November 12, 2025, 12:00PMNuclear News

At the American Nuclear Society’s Winter Conference & Expo, leaders of advanced reactor start-ups Radiant Industries, Oklo, and Valar Atomics praised the Department of Energy’s Reactor...

ANS Winter Conference: DOE, NRC leaders stress need for speedier nuclear approval

November 10, 2025, 2:22PMNuclear News

During speeches at the American Nuclear Society’s Winter Conference & Expo, happening this week in Washington, D.C., Energy Secretary Chris Wright and Nuclear Regulatory Commission Chair...

NRC issues final environmental approval for TerraPower’s SMR

October 23, 2025, 9:30AMNuclear News

TerraPower announced that the final environmental impact statement for its Natrium small modular reactor has been completed by the Nuclear Regulatory Commission....

White House taps Douglas Weaver for NRC role

November 5, 2025, 4:03PMNuclear News

The Trump White House has nominated seasoned nuclear regulatory expert Douglas Weaver for a commissioner seat on the Nuclear Regulatory Commission. If confirmed, Weaver would fill the seat...

NRC, DOE update MOU

November 5, 2025, 7:02AMNuclear News

The Nuclear Regulatory Commission and the Department of Energy have updated a 2019 memorandum of understanding to coordinate on the review of advanced nuclear reactors and advanced reactor...

TerraPower bullish on Natrium plant construction

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