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Change description : 2025-10-13 09:32:00: Annexes and addendum to the NLFAB advice added. [Guidance and regulation]

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Notice

Sizewell C: Funded Decommissioning Programme (FDP)

The financing arrangements required to meet the full costs of decommissioning, waste management and disposal costs.

From:
Department for Energy Security and Net Zero and Nuclear Liabilities Financing Assurance Board
Published
22 July 2025
Last updated
13 October 2025 — See all updates

Documents

Funding Arrangements Plan (FAP)

PDF, 1.87 MB, 254 pages

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Sizewell C: Decommissioning Waste Management Plan

PDF, 6.45 MB, 111 pages

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Deed of undertaking (DoU)

PDF, 194 KB, 10 pages

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Sizewell C: Section 46 Agreement

PDF, 534 KB, 33 pages

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Sizewell C: Waste transfer contract - spent fuel

PDF, 935 KB, 92 pages

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Sizewell C: Waste transfer contract - intermediate level waste

PDF, 954 KB, 95 pages

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Sizewell C: NLFAB advice to the Secretary of State (DESNZ)

PDF, 352 KB, 18 pages

NLFAB addendum

PDF, 118 KB, 2 pages

SizewellNLFAB C:Annex Section1: 46NLFAB AgreementMembers

https://www.gov.uk/government/organisations/nuclear-liabilities-financing-assurance-board/about/membership#sizewell-c-nlfab-members

NLFAB Annex 2: The Board's role and scrutiny of the FAP

PDF, 534196 KB, 3315 pages

NLFAB Annex 3: Assumptions

PDF, 146 KB, 5 pages

NLFAB Annex 4: Key differences with Hinkley Point C

PDF, 198 KB, 12 pages

NLFAB Annex 5: Risk matrix

PDF, 427 KB, 40 pages

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NLFAB Annex 6: Guidance analysis annex

PDF, 536 KB, 49 pages

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NLFAB Annex 7: Funded Decommissioning Programme

PDF, 320 KB, 28 pages

SizewellNLFAB C:Annex Waste8: transferGAD contractreport -on spentSizewell fuelC Funding Plan scenario testing

PDF, 9352.23 KBMB, 9250 pages

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NLFAB Annex 9: Financing arrangements

PDF, 145 KB, 5 pages

NLFAB Annex 10: Legislative background

PDF, 201 KB, 12 pages

NLFAB Annex 11: Sizewell C:C Waste(SZC) economic licence

PDF, 196 KB, 9 pages

NLFAB Annex 12: Nuclear administration and nuclear transfer contractschemes

PDF, -138 intermediateKB, level5 wastepages

NLFAB Annex 13: Insolvency remoteness analysis

PDF, 954241 KB, 9516 pages

NLFAB Annex 14: Licenses and authorisations for the FDP Implementation Company

PDF, 163 KB, 8 pages

NLFAB Annex 15: Decommissioning and Waste Management Plan (DWMP) analysis

PDF, 139 KB, 4 pages

NLFAB Annex 16: Safety critical expenditure

PDF, 160 KB, 7 pages

NLFAB Annex 17: P80 methodology

PDF, 140 KB, 4 pages

NLFAB Annex 18: Table of FundCo costs and costs during decommissioning period

PDF, 171 KB, 6 pages

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NLFAB Annex 19: List of parties consulted by the Board

PDF, 93 KB, 1 page

NLFAB Annex 20: List of documents

HTML

NLFAB Annex 21: Definitions

PDF, 216 KB, 16 pages

Details

Under the Energy Act 2008 operators of new nuclear power stations are required to have secure financing arrangements in place to meet the full costs of decommissioning and their full share of waste management and disposal costs. These arrangements are set out in a Funded Decommissioning Programme (FDP).

The Secretary of State has approved the FDP for Sizewell C in accordance with the requirements of the Energy Act 2008.

ThisThe publicationFunded comprisesDecommissioning ofProgramme comprises:

  • the Decommissioning and Waste Management Plan (DWMP) and
  • the Funding Arrangement Plan (FAP). The FDP is supported by )
  • a range of associated agreements and contracts. contracts

In taking this decision, the Secretary of State received impartial advice from the Nuclear Liabilities Financing Assurance Board (NLFAB). TheThat NLFAB’s advice tois thealso Secretaryavailable ofhere, Stateincluding isits included.annexes and an addendum.

Updates to this page

Published 22 July 2025
Last updated 13 October 2025 href="#full-history">+ show all updates

  1. Annexes and addendum to the NLFAB advice added.

  2. First published.

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Update history

2025-10-13 09:32
Annexes and addendum to the NLFAB advice added.

2025-07-22 15:38
First published.