The map, week by week

What changed on the map.

Every week we re-check the projects on the map against their sources. This page lists what changed: a new stage reached, a milestone reset, a value revised, a project added. The new position, what it was before, and the source we checked it against, for the last four weeks.

Week of 9 November 2026: 4 projects changed: 2 reached a new stage, 4 milestones updated, 1 value revised.

Week of 2 November 2026

3 projects changed: 2 reached a new stage, 2 milestones updated, 2 values revised.

Nuclear · Somerset

Hinkley Point C

  • Stage: In construction (second reactor lifted into place, June 2026; fish return tunnel dig finished, October 2026)was: In construction (Unit 1 fit-out under way; Unit 1 expected online 2030)
  • Value: Not disclosedwas: £35bn estimated cost (EDF results, February 2026); CfD £92.50/MWh (2012 prices)
  • Next milestone: Construction continueswas: Unit 1 expected to come online in 2030 (EDF, February 2026)

Source: EDF Hinkley Point C / New Civil Engineer (Feb 2026) →On the map →

Nuclear · Suffolk

Sizewell C

  • Stage: In construction (two years since formal construction began, January 2026)was: In construction (major civils; two years into construction, January 2026)
  • Next milestone: First trains to site and new public visitor centre in 2026was: Civil engineering programme continues; first trains to site and visitor centre opening in 2026

Source: Sizewell C Ltd →On the map →

How this works: each week's published map is compared with the one before, record by record, using a permanent ID for every project. A project re-checked with nothing new to report is not listed. Every change links to the source we checked. How we verify →

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