All energy companies are required to tell their customers about the mix of fuels they use to generate the electricity they supply and the impact this has on the environment.

The table below shows how we produced electricity from 1 April 2017 to 31 March 2018.

FuelElectricity supplied by So EnergyAverage for the UK (for comparison)
Renewables100.0%29.04%
Natural gas0.0%41.24%
Nuclear0.0%20.01%
Coal0.0%7.64%
Other fuels0.0%2.07%



Environmental impact

CO2 emissions0 g/kWh225 g/kWh
High level radioactive waste0 g/kWh0.007 g/kWh


We keep the figures on this page updated in line with the publishing dates of the Government's fuel mix data disclosure data table, as defined in the Electricity (Fuel Mix Disclosure) Regulations 2005.