Our Fuel Mix

Modified on Tue, 03 Oct 2023 at 11:49 AM

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 2022 to 31 March 2023 on behalf of our customers.

FuelElectricity supplied by Tulo EnergyAverage for the UK (for comparison)
Renewables12.2%40.80%
Natural gas73.5%39.30%
Nuclear1.7%13.9%
Coal7.0%3.4%
Other fuels5.6%2.6%



Environmental impact

CO2 emissions425 g/kWh186 g/kWh
High level radioactive waste0.00016 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.


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