Supplier kg CO2 Per kWh
( kg/(kW·h) )
Source Link
Calculator British Gas 0.374
History

www.electricityinfo.org

Calculator EDF Energy 0.567
History

www.electricityinfo.org

Calculator Ecotricity 0.232
History

www.electricityinfo.org

Calculator Electricity Plus 0.519
History

www.electricityinfo.org

Calculator Eon 0.112
History

www.electricityinfo.org

Calculator First Utility 0.417
History

www.electricityinfo.org

Calculator Good Energy 0
History

www.electricityinfo.org

Calculator Green Energy 0.112
History

www.electricityinfo.org

Calculator LO CO2 0.177
History

www.electricityinfo.org

Calculator Npower Cogen 0.38
History

www.electricityinfo.org

Calculator Powergen 0.377
History

www.electricityinfo.org

Calculator Scottish and Southern Energy 0.413
History

www.electricityinfo.org

Calculator ScottishPower 0.57
History

www.electricityinfo.org

Calculator UK average 0.46
History

www.electricityinfo.org

Calculator Utilita 0.46
History

www.electricityinfo.org

Calculator npower (RWE) 0.543
History

www.electricityinfo.org