Projects · Nuclear

Suffolk·Under wayNuclear

Sizewell C

  • StageIn construction (two years since formal construction began, January 2026)
  • Value£38bn of funding unlocked at Final Investment Decision
  • Next milestoneFirst trains to site and new public visitor centre in 2026
  • Last checked1 November 2026
Source: Sizewell C Ltd →

What has changed on this project, and when

  • Next milestone: First trains to site and new public visitor centre in 20262 November 2026 · previously: Civil engineering programme continues; first trains to site and visitor centre opening in 2026
  • Stage: In construction (two years since formal construction began, January 2026)2 November 2026 · previously: In construction (major civils; two years into construction, January 2026)
  • Value: £38bn of funding unlocked at Final Investment Decision2 November 2026 · previously: £38bn total financing at FID (July 2025)
  • Next milestone: Civil engineering programme continues; first trains to site and visitor centre opening in 202624 September 2026 · previously: Civil engineering programme through 2028
  • Stage: In construction (major civils; two years into construction, January 2026)24 September 2026 · previously: In construction (major civils)
  • Value: £38bn total financing at FID (July 2025)24 September 2026 · previously: £36.6bn NWF commitment

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