{"docs":"https://nuclearnewsnetwork.com/tracker","unit":{"slug":"hinkley-point-c-1","name":"Hinkley Point C-1","plant":"Hinkley Point C","unit":1,"country":"GB","region":"europe","reactor_type":"PWR","design":"EPR","capacity_mw_net":1630,"is_smr":false,"vendor":"EDF/Framatome","owner_operator":"NNB Generation Company (EDF)","status":"under_construction","construction_start":"2018-12-11","original_cod_target":2025,"current_cod_estimate":2030,"milestones":[{"date":"2018-12-11","event":"First nuclear concrete poured (official construction start)","source":"https://world-nuclear-news.org/"},{"date":"2024-01-23","event":"EDF announced revised schedule (Unit 1 2029-2031) and cost range £31-35bn (2015 money)","source":"https://www.edfenergy.com/"},{"date":"2026-01-20","event":"All 24 primary loop welds completed on Unit 1","source":"https://www.newcivilengineer.com/latest/hinkley-point-c-construction-progress-with-civils-on-largest-building-to-be-completed-this-year-07-10-2025/"},{"date":"2026-03-02","event":"Unit 1 start-up pushed to 2030 on M&E productivity shortfall; cost estimate £35bn (2015 money)","source":"https://www.industrialisedconstruction.co.uk/2026/03/02/hinkley-point-c-me-productivity-hit-pushes-unit-1-start-up-to-2030/"}],"sources":["https://pris.iaea.org/pris/","https://www.edfenergy.com/energy/nuclear-new-build-projects/hinkley-point-c"],"last_verified":"2026-07-10","verified":true,"confidence":"high","notes":"Flagship Western new-build and the canonical slippage story: 2030 start-up is five years past the original 2025 target. Unit 1 civils 94% by concrete volume at end-2025.","tags":["uk","epr","edf","new-build"],"updated_at":"2026-07-10","slippage_years":5}}