entities

Nuclear Regulatory Commission

Seven Energy Department and Idaho National Laboratory officials stand behind a large metal sign reading “Reactor On” outside an industrial test building.

news report

Four Advanced Reactors Went Critical. None of the Tests Was a Power Plant

Mark-0, Ward 250, Unity and Aalo-X sustained fission chain reactions between June 4 and July 4. The zero-power demonstrations validate physics—not commercial electricity delivery.

August 4, 2026, 10:06 p.m. CDT

A broad uranium-tailings remediation site with excavation roads below red cliffs, snowy mountains and the Colorado River corridor near Moab.

news report

Moab Uranium Cleanup Cost Is Expected to Reach $1.16 Billion

GAO says the Energy Department has removed more than 16 million tons of waste and plans to finish the Utah project by 2029.

August 10, 2026, 1:32 p.m. CDT

Nuclear Regulatory Commission members and staff sit at a long table during a public meeting.

news report

NRC Rule Changes Comment and Withholding Procedures

The direct final rule revises proprietary-information affidavits, post-promulgation comments, advisory-committee terms and security-eligibility criteria unless adverse comments trigger withdrawal.

August 11, 2026, 1:35 p.m. CDT