NRC Issues Proposed Rule Establishing Licensing Framework for Fusion Machines

In late February 2026, the NRC issued a proposed rule titled Regulatory Framework for Fusion Machines, which regulates the possession, use and production of byproduct material associated with fusion machines under Part 30 rather than under the reactor licensing framework applicable to fission facilities. The proposal amends provisions across Parts 20, 30, 37, 50, 72, 110, 150, 170 and 171 to integrate fusion machines into the byproduct material structure.... By: Pillsbury Winthrop Shaw Pittman LLP