How much electricity Great Britain is using, and what this site guessed before the official number arrived. Three views: the next week, the next day, and the next half-hour. Clocks are UK time. The black line only appears after each half-hour has finished.
Black — what actually happened (official grid outturn) Red — the central forecast (most likely demand) Blue — a likely range (low to high). The black line should usually sit between them.
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Sunday–Monday freeze, week model. Previous week in grey.
Midnight freeze, day model. Yesterday in grey.
Hour model. Issued time on the live call.