Great Britain is positioned to experience among the highest energy expenses in Europe during the coming winter months, driven largely by its dependence on imported gas and electricity supplies. Energy system operators have determined the country will have sufficient resources to satisfy demand throughout the coldest season, though at prices exceeding those in neighboring markets.
National Gas, which operates Great Britain’s gas networks, released its official winter forecasts following a last-minute agreement with the operator of a major Belgian pipeline. This arrangement will reverse a previously planned reduction in pipeline capacity to maintain gas flow into the country and protect against potential supply failures during extreme weather. The deal received approval from Ofgem, the energy regulator, though it will add approximately 10p monthly to average gas bills. Additionally, Great Britain is expected to increase imports of seaborne liquified natural gas by around 5% compared to the prior winter, occurring when market prices are substantially elevated.
Europe’s gas markets have tightened considerably, with storage levels entering the colder months at their lowest point in 13 years. This situation stems from reduced gas exports from Qatar, a major European supplier, and increased summer consumption for cooling during record heatwaves. The United Kingdom maintains among Europe’s smallest gas reserves following decades of reliance on North Sea production, which is forecast to decline by 6% this year. A recent government approval of a new Jackdaw gasfield in the North Sea is expected to provide modest supply increases when operational.
Great Britain will also function as a net electricity importer throughout the winter at elevated costs due to constrained European power supplies. Summer heatwaves reduced hydroelectric reserves in Norway and affected French nuclear output, both important supply sources for the continent. The United Kingdom incurred record import costs exceeding £4 billion annually for electricity, with half derived from French imports.
Energy system operators have also adjusted forecasts for natural gas demand during extreme electricity supply scenarios, noting that gas plants maintain higher usage during periods of low renewable energy generation combined with high demand. These combined pressures on both supply and demand have resulted in narrower operating margins during peak demand periods, according to National Gas officials.
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