Our Fuel Mix

Modified on Mon, 30 Sep at 3:40 PM

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 sourced electricity from 1 April 2023 to 31 March 2024 on behalf of our customers.

FuelElectricity supplied by Tulo EnergyAverage for the UK (for comparison)
Renewables0.2%43.2%
Natural gas67.9%35.0%
Nuclear10.6%12.7%
Coal14.7%6.3%
Other fuels6.6%2.8%


 Environmental impact
 Average for the UK
  CO2 emissions
  171 g/kWh
  High level radioactive waste  0.006 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.


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