Every Night at Midnight, Britain's Green Levy Turns Into a Pumpkin

The CfD levy resets once a day. On nearly half of nights the step at 00:00 now outweighs the change in the price of power, and almost nine nights in ten it points towards the dirtier day.

Sep 25, 2026

∙ Paid

At midnight on Friday 10 April 2026, Britain's electricity got cheaper. The day-ahead auction had cleared the last hour of Friday at £37.12/MWh and the first hour of Saturday at £16.62, because a storm was forecast. To any flexible load watching the price, that was the moment to switch on.

It wasn't. At the same stroke of midnight,

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