French utility EDF has announced plans to invest approximately £1.1 billion ($1.5 billion) in the Sizewell C nuclear power project in the United Kingdom. The commitment was revealed during a visit by French President Emmanuel Macron to the UK in July 2025. EDF’s investment is contingent on finalizing agreements with the UK government and other investors, which would grant EDF an estimated 12.5% stake in the project.

Simone Rossi, CEO of EDF in the UK, highlighted the significance of the investment, stating: “EDF’s intention to invest in Sizewell C is a further sign of its commitment to investing in Britain’s energy security and economic growth. It continues over 25 years of investment across the UK.” This move underscores EDF’s long-standing involvement in the UK’s energy sector.

The Sizewell C project, located in Suffolk on England’s eastern coast, will be the first major nuclear power plant constructed in the UK since 1995. The facility will feature two reactors using European Pressurized Reactor (EPR) technology. Earlier in 2025, the UK government pledged £14.2 billion ($19 billion) to support the development of Sizewell C, reflecting its strategic importance to the nation’s energy goals.

The project aligns with the UK’s efforts to transition to low-carbon energy sources as part of its plan to decarbonize the electricity grid by 2030. Nuclear power is viewed as a critical component in replacing fossil fuels and ensuring a stable, sustainable energy supply. The initiative also supports the UK’s aim to reduce reliance on imported oil and gas, particularly amid rising global energy prices.

Sizewell C is expected to contribute significantly to the UK’s energy security and economic development. By generating reliable, low-carbon electricity, the project will help meet growing energy demands while advancing environmental objectives. The construction of the plant is anticipated to create jobs and stimulate economic activity in Suffolk and beyond.

EDF’s investment decision reflects confidence in the UK’s nuclear energy strategy and the collaborative framework involving government and private stakeholders. As agreements progress, the project is poised to play a key role in shaping a sustainable energy future for the UK.