Stay up to date with notifications from The IndependentNotifications can be managed in browser preferences.Jump to contentThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged inAllNewsSportCultureLifestyleBritain is forecast to have sufficient electricity to meet demand this winter, according to the National Energy System Operator (Neso). Neso predicts a surplus of 5.5 gigawatts, representing an 8 per cent buffer against peak winter demand, which is an improvement on previous years. Despite the positive outlook, Neso cautioned about potential “tight days” during cold spells, particularly in mid-to-late January 2027, when demand could be high. Gas prices are expected to be more volatile due to the Middle East conflict and the closure of the Strait of Hormuz, leading to increased household energy bills. The UK's energy security is bolstered by diverse sources, including US liquefied natural gas, North Sea supplies, renewables, and increased battery storage capacity. In fullIran war could affect UK energy supply over winter months as warning issued over ‘tight days’Thank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in

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Britain's grid operator says electricity supplies will remain secure this winter despite ongoing disruption to global energy markets stemming from the Strait of Hormuz crisis.