Fuel Factors Table

Heating fuel Fuel factor Mains gas 1.00 LPG 1.10 Oil 1.17 B30K 1.00 Grid electricity for direct acting and storage systems 1.47 Grid electricity for heat pumps 1.47 Solid mineral fuel(1) 1.28 Any fuel with a CO2 emission factor less than that of mains gas 1.00 Solid multi-fuel(1) 1.00 Note: (1) The specific fuel factor should be used for those appliances that can only burn that particular fuel. Where an appliance is classed as multi-fuel, the multi-fuel factor should be used except where the dwelling is in a Smoke Control Zone. In such cases the solid mineral fuel factor should be used unless the specific multi-fuel appliance has been approved for use in a Smoke Control Zone.