United Kingdom · Question · Written question
UIN 88153
Plutonium
Introduced
4 November 2025
Last action
17 November 2025 · Answer
Status
Answered
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Subjects
Discovery layer
Source updated
17 November 2025
Summary
To ask the Secretary of State for Energy Security and Net Zero, what the current volume is of the civil plutonium stockpile in tonnes.
This text is taken from the official record. PoliticalRepo does not editorialize.
Timeline
4 November 2025
Written question
To ask the Secretary of State for Energy Security and Net Zero, what the current volume is of the civil plutonium stockpile in tonnes.
Source: Commons
17 November 2025
Answer
As of 31 December 2023, the total holding of separated civil plutonium in the UK was 140.9 tonnes. The Office for Nuclear Regulation publishes annual figures on the UK's separated plutonium inventory. The most recently published data can be found at the f...
Source: Written answer
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- · Department for Energy Security and Net Zero · Answering body
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Sources
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- Official source: https://questions-statements.parliament.uk/written-questions/detail/2025-11-04/88153
- Open data entity: https://questions-statements-api.parliament.uk/api/writtenquestions/questions/1848348
- uk · wq-1848348 · source updated 17 November 2025