In comments to be made today, Davey points out that at present 37% of support under the UK’s Renewables Obligation system goes to Scotland – equivalent to £530m ($803m) per year. Yet only 9% of UK electricity sales are in Scotland.

“Would an independent Scotland be able to deliver the same support to renewables on the back of a domestic electricity market that is only one-tenth the size of the UK?” Davey will ask at the All-Energy conference kicking off today in Aberdeen.

“As