[imtringued]

According to wikipedia 9% of electricity is "bioenergy" [0]

How much of that is actually trees rather than capture of agricultural methane? [1]

[0] https://en.wikipedia.org/wiki/Energy_in_the_United_Kingdom#E... [1] https://en.wikipedia.org/wiki/Biogas

[bambataa]

Probably the large majority.

Drax alone has a biomass capacity of 2.6GW, which is more than the 1.7GW currently coming from biomass (see https://gridwatch.templar.co.uk/).