Hinkley Point C (Civil Works)
Somerset, UK · 2017-2031 · £50bn (2026 prices)
The judgement call
Account-gated at launchSignificant cost overruns and delays, highlighting challenges in large-scale nuclear new build projects. - Extensive use of digital modelling and BIM for coordination and planning. - Challenges in supply chain management and skilled labor availability.
Key engineering challenges
Managing construction in a high tidal range environment (Bristol Channel). - Coordinating massive scale civil works for two EPR reactors simultaneously. - Integrating complex digital design and construction technologies. - Ensuring seismic and radiation shielding integrity for critical structures.
Project facts
- Client / owner
- EDF Energy, CGN
- Lead contractor
- BYLOR (Bouygues Travaux Publics & Laing O'Rourke JV), Amentum (Marine Works)
- Lead designers
- AtkinsRéalis, Egis
- Project type
- new build
- Scale
- 3.2 GW (2 EPR reactors), 8.8 km marine tunnels
- Disciplines
- civil; structural; nuclear; mechanical; electrical; process; marine
- Standards & frameworks
- ONR, CDM, Eurocodes
Sources: Wikipedia: Hinkley Point C nuclear power station (https://en.wikipedia.org/wiki/Hinkley_Point_C_nuclear_power_station) - New Civil Engineer: Hinkley Point C | Construction progress with civils (https://www.newcivilengineer.com/latest/hinkley-point-c-construction-progress-with-civils-on-largest-building-to-be-completed-this-year-07-10-2025/) - Amentum: Hinkley Point C Marine Works (https://www.amentum.com/project/hinkley-point-c-marine-works/) - AtkinsRéalis: Hinkley Point C (https://www.atkinsrealis.com/en/projects/hinkley-point-c) - Egis Group: Hinkley Point C (https://www.egis-group.com/projects/hinkley-point-c) - World Nuclear News: EDF announces Hinkley Point C delay and rise in project cost (https://www.world-nuclear-news.org/articles/edf-announces-hinkley-point-c-delay-and-big-rise-i) - Engineer Live: Connected construction on Hinkley Point C (https://www.engineerlive.com/content/connected-construction-hinkley-point-c)