GBE-N SMR Programme
DESNZ · BEIS_0233_2223-Q4 · Earlier name: Great British Nuclear (March 2024); GREAT BRITISH NUCLEAR (March 2025)
Department page: Department for Energy Security and Net Zero
| Data as at | Rating | End date | Whole-life cost |
|---|---|---|---|
| March 2024 | Exempt under Section 43 of the Freedom of Information Act 2000 (Commercial Interests) - Commercial interests. | 21 December 2029 | Exempt under Section 43 of the Freedom of Information Act 2000 (Commercial Interests) - Commercial interests. |
| March 2025 | Section 43 - Commercial interests | Section 43 - Commercial interests | Section 43 - Commercial interests, The GMPP project is still at the planning stage (Pre-SOC or equivalent) and is not yet in a position to provide cost/schedule information |
| March 2026 | Exempt under Section 43 - Commercial interests | Exempt under Section 43 - Commercial interests | Exempt under Section 43 - Commercial interests |
Each year’s cost is shown with its price basis. Costs are not compared between years: the March 2024 and March 2025 reports state no price basis, and from March 2026 costs are in 2024/25 prices.
The department’s commentary
This is the department’s own commentary. It may use different prices from the table above, so its figures may not match.
March 2026
Rating: Exempt under Section 43 - Commercial interests
Schedule: Exempt under Section 43 - Commercial interests
Cost: Exempt under Section 43 - Commercial interests
March 2025
Rating: Section 43 - Commercial interests
Schedule: Section 43 - Commercial interests
Cost: Section 43 - Commercial interests, The GMPP project is still at the planning stage (Pre-SOC or equivalent) and is not yet in a position to provide cost/schedule information
Source: NISTA Annual Report 2024-25 (data)
March 2024
Rating: Exempt under Section 43 of the Freedom of Information Act 2000 (Commercial Interests) - Commercial interests.
Schedule: Exempt under Section 43 of the Freedom of Information Act 2000 (Commercial Interests) - Commercial interests.
Cost: Exempt under Section 43 of the Freedom of Information Act 2000 (Commercial Interests) - Commercial interests.
Source: IPA Annual Report 2023-24 (data)
Names, figures, dates, ratings and commentary are as the department reported them. Where a rating, cost or date is withheld, the file’s wording is shown. Every major project →