A woman typing using her laptop on a wooden desk.

Standard fuel mix

What’s the breakdown for SSE’s fuel mix?

It’s increasingly important for businesses to know how the electricity supplied to them is generated. Whether your business has to report its carbon emissions or not, it’s still important to understand where that electricity comes from and how its generation impacts our environment.

SSE standard fuel mix full year to March 2021

Like all of the UK's major electricity suppliers, SSE’s standard fuel mix comes from a combination of generation assets. Our standard fuel mix reflects both the electricity created by our own generation assets and the electricity we purchase to meet customer demand.

Our standard fuel mix for 2020/21 was:


UK average standard fuel mix full year for 2020/21:

SSE-generation-mix-UK Average2021

SSE Green – fuel mix full year to March 2021

We can provide electricity that’s backed by Ofgem’s Renewable Energy Guarantee of Origin scheme which helps businesses to report zero carbon emissions for the electricity they purchase.*


SSE residual fuel mix

Once our renewable supply has been allocated to SSE Green, what remains is the residual fuel mix for customers choosing our conventional supply products.

Our residual fuel mix for April 2020 to March 2021 was:


*Backed by a ‘Renewable Electricity Guarantee of Origin’ where consumption used is matched to an equivalent volume generated by our wind and hydro assets then exported to the National Grid.