NRC Confirms November 9 Effective Date for Expanded TN Americas NUHOMS Spent Fuel Cask Approval
The U.S. Nuclear Regulatory Commission has confirmed that a rule approving Amendment No. 19 to the NUHOMS spent fuel storage cask certificate, held by TN Americas, takes effect November 9, 2026. The rule, first published August 26, 2026, covers a new basket design for storing irradiated nuclear fuel. A spent fuel storage cask is a sealed container used to hold used reactor fuel safely after it leaves the reactor.
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What does it mean?
Companies that store used nuclear reactor fuel can now use a newer basket design for the NUHOMS storage containers once the rule takes effect on November 9, 2026. The change is meant to make these containers easier and cheaper to build.
Who is affected?
Operators of nuclear plants that use TN Americas NUHOMS storage systems and the companies that build them.
What changes?
Before this rule, the 61BTH basket design was not part of the approved NUHOMS certificate; now Amendment No. 19 adds it.