Commons Sense

House of Commons · Written Ministerial Statement

Departmental Contingent Liability Notification; Sizewell C Funded Decommissioning Programme and Government Support Package

01 September 2025 · Department for Energy Security and Net Zero

Proposed by Michael Shanks Lab Rutherglen

Energy

Summarised by AI from the official record, so it can contain mistakes.

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At a glance

Key points

  • Written Ministerial Statement on Departmental Contingent Liability Notification for Sizewell C
  • Statement describes contingent liabilities from signing of Funded Decommissioning Programme and Government Support Package for Sizewell C
  • Minister laid Departmental Minute in Parliament to notify about contingent liabilities, to come into effect on October 1st

Issue summary

This statement describes the contingent liabilities arising from the signing of the Funded Decommissioning Programme and Government Support Package for Sizewell C.

Action requested

The Minister has laid a Departmental Minute in Parliament to notify about these contingent liabilities, which will come into effect on October 1st. The aim is to allow sufficient Parliamentary scrutiny before any changes are made.

Key facts

  • The contingent liability from the Funded Decommissioning Programme could be up to £12bn under a worst-case scenario.
  • There are four contingent liabilities associated with the Government Support Package, with total maximum exposure estimated at the maximum Regulated Asset Base value for three limbs.
  • The Departmental Minute was laid today due to Summer and Conference Recess timings, allowing as much Parliamentary sitting time as possible before the liability is undertaken on October 1st.
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