Where do you get that data from? I checked on electicityMap [1] and the British wind farms are producing more than 6 GW at the moment [2].
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currently 0.63 GW.
That's interesting that they disagree. Gridwatch has been around a while but I'll have a look.
edit: yep, electricitymap's free figures are not even close to live.
When values are non-estimated, they are about 2 hours behind in the free version.
The common and legal definition of "fraud".