National Grid warns of short supply of electricity over next few days

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System operating at reduced capacity due to low wind speeds and unplanned power plant outages National Grid has warned that Britain’s electricity will be in short supply over the next few days after a string of unplanned power plant outages and unusually low wind speeds this week. The electricity system operator said it will take action to “make sure there is enough generation” during the cold weather spell to prevent a second major blackout in as many years. “Unusually low wind output coinciding with a number of generator outages means the cushion of spare capacity we operate the system with has been reduced,” the company told its Twitter followers. “We’re exploring measures and actions to make sure there is enough generation available to increase our buffer of capacity.” A spokeswoman for National Grid said the latest electricity supply squeeze was not expected to be as severe as recorded last month, and added that the company did not expect to issue an official warning in the next 24 hours. “We’re monitoring how the situation develops,” she said. The warning is the second from the electricity system operator in recent weeks. In mid-September the company issued an official warning to the electricity market that its ‘buffer’ of power reserves had fallen below 500MW and it may need to call on more power plants to help prevent a blackout. The notice was later withdrawn. Concerns over National Grid’s electricity supplies have been relatively rare in recent years. It was forced in November 2015 to ask businesses to cut their demand as a “last resort” measure to keep the lights on after a string of coal plant breakdowns. But since then, National Grid’s greater challenge has been an oversupply of electricity which has threatened to overwhelm the grid during times of low electricity demand. National Grid has already spent almost £1bn on extra measures to prevent blackouts over the first half of the year by paying generators to produce less electricity during the coronavirus lockdown. Jillian Ambrose Wed 14 Oct 2020 21.10 BST