EDF faces scrutiny over grid upgrades and UK energy security as fuel and electricity demand rise; a key player in Britain’s nuclear and renewables mix.
Sizewell B will continue generating electricity until 2055 after a 20-year life extension, with a contract for difference guaranteeing 370.50 per megawatt-hour from 2035. The move aims to shield billpayers and secure thousands of jobs and clean power, while backing new nuclear projects.
The National Energy System Operator has issued a margin notice for Thursday evening due to extreme European temperatures, marking the third such notice this year. The move signals a higher cushion between demand and supply, as heat drives up electricity use and strains generation.
A large wildfire on Dunwich Heath, Suffolk, has stabilised with firefighting progress reported. About 90 firefighters are on scene, with 50 people evacuated from homes and a nearby caravan site. The blaze, near Sizewell B, is being monitored by EDF; authorities say there is currently no risk to the power station. The incident is ongoing as teams work to prevent reignition amid changing winds.
Britain’s £70bn grid modernisation is under way but progress is slow. NAO warns delays could push constraint costs to £7.8bn by 2030, while bills may rise if upgrades lag. Regulators and government say transparency and delivery must improve to shield households from volatility.