Britain’s ‘green dream’ exposed as 36C heatwave forces UK grid to beg for more power - London Business News | Londonlovesbusiness. com
Britain’s electricity system is facing an unusual summer challenge as extreme temperatures put pressure on power generation and push demand higher, prompting the national grid operator to call for additional. . .
Britain’s electricity system is facing an unusual summer challenge as extreme temperatures put pressure on power generation and push demand higher, prompting the national grid operator to call for additional capacity. The National Energy System Operator (Neso) issued its third electricity margin notice of the year, warning that supply buffers could become tighter during Thursday evening’s peak period as a prolonged heatwave sweeps across the UK and Europe. The notice, covering the period from 6. 30pm to 10. 30pm, does not indicate an immediate risk of blackouts. Instead, it is a market signal designed to encourage additional generation to become available and provide a wider safety margin between electricity supply and demand. However, the warning highlights a growing challenge for energy systems as climate volatility creates pressure not only during traditional winter peaks but also during periods of extreme summer heat. Electricity demand typically rises during cold weather as households increase heating use. But hotter conditions are increasingly creating their own strain. High temperatures can reduce theefficiency of some powerstations, affect cooling systems and limit available generation capacity. At the same time, demand increases as homes andbusinesses relymore heavily on fans, cooling equipment and air conditioning. Neso said the latest warning was linked to “extremetemperaturesacross Europe” which had reduced the availability of some forms of generation. The operator said it wouldcontinue monitoring conditionsand take any action required to maintain secure supplies. The latest notice follows two similar interventions issued in June, both of which were later cancelled as supplyconditions improved. Historically, electricity margin warnings have been more closely associated with winter periods, when heatingdemand places pressureon the system. The emergence of repeatedsummer warningsreflects the changing demands placed on national infrastructure. Energy analysts have increasingly warned that the transition towards a more electrified economy will require greater investment in generation, storage and grid resilience. The warning comes as Britain experiences its third heatwave of the year, with temperatures forecast to exceed 30C acrosslarge partsof England and Wales. TheMet Office has warnedthat temperatures could reach 36C in some areas on Thursday and Friday, while health and fire alerts remain in place. For energy planners, the episode provides another reminder that managing a modern electricity system requires resilience against a wider range of weather extremes. As demand patterns shift and renewable generation becomes a larger part of the energy mix, maintaining sufficient backup capacity during periods of stress will remain a centralchallenge for policymakers and grid operators. Leave a Comment