The fuel mix for the year 1 April 2017 to 31 March 2018 is shown below.
|CO2 emissions (g/kWh)||300.0||231.7|
|high-level nuclear waste (g/kWh)||0.00111||0.00140|
This fuel mix is for npower Limited. Npower also supply to domestic customers as Npower Northern Limited, Npower Northern Supply Limited, Npower Yorkshire Limited and Npower Yorkshire Supply Limited. These have separate fuel mixes which are the GB Residual Fuel Mix or close to it.