Question to the Department for Energy Security & Net Zero:

To ask the Secretary of State for Energy Security and Net Zero, pursuant to the Answer of 19 December 2024 to Question 20338 on Nuclear Power Stations: Migrant Workers, what his Department's definition is of critical systems for nuclear power plants.

DESNZ defines critical systems as any function (an aggregation of operational technology, information and specific areas within a civil nuclear installation) that is critical to preventing the theft or sabotage of nuclear material.