The MAGNASTOR™ System

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Fabrication of a MAGNASTOR used fuel storage cask

The future of dry used-fuel storage has arrived.

The Modular, Advanced Generation, Nuclear All-purpose Storage (MAGNASTOR) System is a new generation of dry, multipurpose used fuel storage technology.

Drawing upon lessons learned from designing and licensing three dual/multipurpose technologies and from fabricating, constructing and loading almost 200 multipurpose canister systems (MCS), NAC has developed MAGNASTOR to provide improved capacity, thermal performance, operations and fuel coverage for the growing number of nuclear power plants requiring dry used fuel storage.

Unique Design, Fabrication, and Operations Features

  • A developed cell basket design that offers the highest used fuel capacities, high strength, simplified fabrication and heat removal of up to 35.5 kW
  • A unique canister closure design that can reduce welding time and personnel dose while providing enhanced drying performance
  • A low profile vertical concrete cask design that provides: improved on-site handling and site dose rates; proven, simple construction and operation features; and robustness against beyond-design-basis threats
  • A simple, proven transfer system that facilitates transfer without excessive dose or handling
  • A new approach to water removal and canister drying that shortens operation times.

Fuel Recovery Programs

Explore how NAC International assists governments and organizations around the world with their nuclear nonproliferations efforts.

Nuclear Fuel Cycle

Nuclear power is a vital part of the world's energy mix. Find out how the uranium fuel that powers the world's nuclear reactors is mined and processed in several important steps that make up the nuclear fuel cycle.