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Sizewell C nuclear power station

The UK's second EPR project, now financially closed and in early construction — a long, front-loaded civils and infrastructure phase now, with the bulk of mechanical/E&I/commissioning demand still ahead for 2027-2035.

Nuclear · United Kingdom (Europe) · every fact below is as reported by the linked sources, checked by hand on 2026-10-08.

Size
2 x EPR reactors, ~3.2 GW total; projected to supply up to 7% of UK electricity demand
Operator / developer
Sizewell C Ltd — EDF (12.5%), UK Government (44.9%), La Caisse (20%), Centrica (15%), Amber Infrastructure (7.6%)
Phase, as reported
construction (early civil works — site infrastructure, road/rail bridges, piling — as of the 2026 construction updates)
Checked on
2026-10-08

Phase track steps named in the reported phase are marked

  1. FID
  2. Engineering
  3. Fabrication
  4. Construction
  5. Installation
  6. Commissioning

Who builds it as stated by the sources

  • EDF — minority owner, reactor technology/design (EPR), delivery partner
  • UK Government / La Caisse / Centrica / Amber Infrastructure — co-investors following financial close

Key dates as stated by the sources

Construction start
15 January 2024
FID financial close
22 July 2025
Construction duration
Projected 9-12 years

Disciplines likely needed our inference

  • civil/structural engineering
  • construction management
  • planning/project controls
  • E&I (later phase)
  • commissioning (later phase)

Our inference from project kind and phase — not stated by the sources below.

Sources checked on 2026-10-08

  1. UK's Sizewell C achieves financing landmarkWorld Nuclear News · published 2025-07 · retrieved 2026-09-19
  2. Sizewell C nuclear power stationEDF Energy (company project page) · published 2026 · retrieved 2026-09-19
  3. Sizewell C Construction Update March 2026Aldeburgh Town Council (local authority update, citing Sizewell C Ltd) · published 2026-04 · retrieved 2026-09-19
  4. In pictures: Freight trains deliver construction materials to Sizewell C for first timeNew Civil Engineer · published 2026-09-14 · retrieved 2026-10-08

Position on our globe: 52.21°N 1.62°E. Location approximate: Suffolk, England.

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