The United Kingdom has officially given the go-ahead for the construction of the Sizewell C nuclear power plant, marking a significant multi-billion-pound investment aimed at bolstering the nation’s energy security and driving economic growth. This decision signals a major step forward in the UK’s commitment to clean, homegrown energy.
Key Takeaways
- The government has made a final investment decision for Sizewell C.
- The project is expected to create 10,000 jobs at its peak construction phase.
- Sizewell C will provide clean power for approximately six million homes.
- The plant is projected to deliver average annual savings of £2 billion to the electricity system once operational.
- The government will become the largest shareholder, alongside private investors.
A Landmark Investment In Clean Energy
The Energy Secretary has signed off on the final investment decision for Sizewell C, a project poised to deliver clean power for the equivalent of six million homes and create 10,000 jobs during peak construction. This represents the country’s most substantial public investment in clean, homegrown energy this century, aiming to enhance energy security, create jobs, and stimulate economic growth. The decision ends a prolonged period of uncertainty, securing Britain’s homegrown nuclear supply well beyond 2030 and aligning with the government’s ambition to become a clean energy superpower.
Economic and Environmental Benefits
Analysis suggests that Sizewell C could generate savings of approximately £2 billion annually for the future low-carbon electricity system, ultimately leading to lower power costs for consumers. The project is also set to be a significant economic driver, supporting 10,000 direct jobs and thousands more in the nationwide supply chain, including 1,500 apprenticeships. A substantial 70% of the construction value is anticipated to be awarded to British businesses, with an estimated 3,500 UK companies involved in the supply chain.
Government’s Stake and Investment Model
The government will acquire an initial 44.9% stake, becoming the largest equity shareholder. This investment model, which includes private investors such as EDF, Centrica, La Caisse, and Amber Infrastructure, aims to spread the estimated £38 billion construction cost across consumers, taxpayers, and private investors. This approach is designed to be approximately 20% cheaper than the Hinkley Point C project, leveraging lessons learned from its construction. Consumers are expected to see a limited impact on their bills, averaging around £1 per month during the construction phase.
Revitalizing Nuclear Power in the UK
With the existing nuclear fleet, except for Sizewell B, scheduled for decommissioning by the early 2030s, Sizewell C is a crucial component of the UK’s nuclear resurgence. The government’s ambitious nuclear program, which includes Sizewell C and the development of Small Modular Reactors (SMRs), aims to deliver more new nuclear capacity in the coming decades than in the previous half-century combined. This initiative is part of a broader strategy to reduce dependence on volatile global fossil fuel markets and ensure a stable, affordable energy supply for generations.






