NRC approves minor updates to NAC International spent fuel storage cask design
/ 1 min read
Table of Contents
The Nuclear Regulatory Commission has approved two amendments to the Certificate of Compliance for the MAGNASTOR storage system, a type of container used by nuclear power plants to store used fuel. These changes update how operators calculate space inside the canister and measure helium gas levels, as well as clarify that different types of fuel assemblies can be stored together in a single unit.
Why it matters: This is primarily an administrative update that allows nuclear facility operators to use updated methods for measuring fuel storage capacity and gas levels. It also fixes a technical specification error to ensure the safety data matches current engineering standards. For the general public, there is no immediate change in risk or regulation; this keeps existing storage protocols aligned with manufacturer specifications.
Who it affects
- Nuclear power plant operators using the NAC MAGNASTOR storage system
This action was issued by the Nuclear Regulatory Commission and published in the Federal Register on May 13, 2026; readers should consult Docket ID NRC-2026-2047 for the full legal text before relying on this summary.
Agency: Nuclear Regulatory Commission
Source: Federal Register — read the official document