Sizewell C (Preparatory/Early Works)
Suffolk, UK · 2023-Present · £38bn (2024 prices) - overall project cost
The judgement call
Account action unavailableReplication of Hinkley Point C design to leverage lessons learned and reduce costs/risks. - Focus on local contracts and job creation during early works to gain community support. - Early milestones achieved on time and on budget for preliminary construction work.
Key engineering challenges
Site preparation and infrastructure development for a large-scale nuclear power plant. - Managing environmental impacts and community engagement during early works. - Ensuring efficient transition from preparatory works to main construction.
Project facts
- Client / owner
- UK Government, EDF, La Caisse, Centrica, Amber Infrastructure
- Lead contractor
- Balfour Beatty (Civil Works Alliance)
- Lead designers
- —
- Project type
- new build (preparatory works)
- Scale
- Site preparation for 3.2 GW (2 EPR reactors)
- Disciplines
- civil; nuclear; environmental; planning
- Standards & frameworks
- ONR, CDM
Sources: World Nuclear News: Sizewell C project to enter construction phase (https://www.world-nuclear-news.org/Articles/Sizewell-C-project-to-enter-construction-phase) - Sizewell C website: A New Nuclear Power Station for Britain (https://www.sizewellc.com/) - New Civil Engineer: Aerial photos show state of Sizewell C preparatory works (https://www.newcivilengineer.com/latest/aerial-photos-show-state-of-sizewell-c-preparatory-works-16-04-2025/) - Balfour Beatty: Balfour Beatty signs Programme Alliance Agreement to deliver Sizewell C civil works (https://www.balfourbeatty.com/media-centre/latest/balfour-beatty-signs-programme-alliance-agreement-to-deliver-sizewell-c-civil-works/) - Wikipedia: Sizewell C nuclear power station (https://en.wikipedia.org/wiki/Sizewell_C_nuclear_power_station)