The fuel mix for the year 1 April 2016 to 31 March 2017 is shown below.
|Spark Energy||UK average|
|CO2 emissions (kg/kWh)||0.298||0.249|
|high-level nuclear waste (g/kWh)||0.00079||0.00147|
The fuel mix values are the GB Residual Fuel Mix, which means the supplier does not have generator declarations for the sources of the electricity they are supplying. Figures for CO2 and nuclear waste were not stated by Spark Energy and have been calculated by us based on the fuel mix.
Suppliers which are subsidiaries, regional brands or which get their electricity exclusively from another supplier might not be included in the menu, but can be selected from our listing of all suppliers.