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A backstop system designed to prevent blackouts has been activated for the first time in two years as Britain’s power grid battles low winds and plummeting temperatures.
The so-called automatic notice for the capacity market, which issues a warning to Britain’s electricity generators, was issued by the National Energy System Operator (Neso) just after midday on Monday.
It told generators to be ready for when demand spikes at 4:30pm, which comes amid fears the amount of spare power capacity had grown unacceptably small compared to demand.
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The warning was the first of its kind since November 2022, when a similar notice was also issued and withdrawn as low wind speeds and nuclear power outages piled stress on the electricity system