@edavies @Devonkiwi @The_Sun @janrosenow

This is correct. Scroll down to the “Electricity Generation/Supply” section on this page for that exact explanation:
energydashboard.co.uk/data

You need to extract the data from more than one portal to combine them all. The Energy Dashboard linked above works, but I prefer @kate ’s website:

grid.iamkate.com/