The fuel mix for the year 1 April 2017 to 31 March 2018 is shown below.
|Spark Energy||UK average|
|CO2 emissions (g/kWh)||359.4||231.7|
|high-level nuclear waste (g/kWh)||0.00133||0.00140|
Spark Energy have only published the GB Average figures for 2017-18, implying this is their fuel mix. We do not believe this to be compliant with the 2005 Regulations and are listing their fuel mix as the 2018 Residual Fuel Mix.