What are the carbon emission factors used?

The system calculates the CO2 emissions attributable to the reported energy consumption using carbon emission factors. These are used to convert energy consumption (in kWh NCV1) into kg of CO2 and they can vary slightly from year to year. 

Energy TypekgCO2/kWh
(2015)
Net Electricity Imports0.494
Onsite Generation (Non-fuel Renewables)0.000
Offsite Electric Vehicle Charging0.529
Natural Gas0.205
LPG0.229
Biogas0.000
Kerosene0.257
Gasoil0.264
Light, Medium & Heavy Fuel Oils0.274
Coal0.341
Manufactured Ovoids0.354
Sod Peat0.374
Peat Briquettes0.356
Milled Peat0.414
Wood Chips (35% moisture)0.000
Wood Pellets0.000
Wood Briquettes / Logs0.000
Solar Thermal0.000
Road Diesel (DERV)0.264
Petrol0.252
Marked Diesel (non-thermal use)0.264
Jet A1 Kerosene (Aviation)0.257
Aviation Gasoline (AVGAS)0.252
Biodiesel0.000
Bioethanol0.000

 

Note that the conversion for a given year do not become available until some months into the following year. The factors in the system - and this FAQ - are updated when they become available. The latest factors are always in the system by the time that the reporting cycle closes.

1Net calorific value

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