National grid fully charged
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The National Grid is a high-voltage electric power transmission network, connecting power stations and 340+ substations ensuring supply and demand is in the balance. Nigel Williams speaks to Robert Llewellyn about how the National Grid works in Great Britain, and what challenges it faces with the rapidly changing world.
It is common to read stories in the media complaining about wind turbines that are turned off when the wind is blowing. Why are wind turbines turned off?
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