I will keep Britain’s lights on, Ed Davey pledges

Telegraph
Those contingency measures, to be set out in full next week, are on both the supply and demand sides of the electricity system. To boost supply, “mothballed” plants could be brought back into use. Generating companies could also be told to “max-generate”, running at full capacity for a short-term surge. New demand-side contingencies are potentially more disruptive. In the event of a sudden shortage of power, big industrial consumers such as factories would be paid to switch on emergency backup generators and produce their own power."
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Bishop Hill : Lights on factories off