Appendix A

Corporate Carbon Footprint Emission Sources for 2021-22
Emission Emission source Scope Consumption data Units Emission factor Units Emissions (tCO2e) Comments
All Hotel Stay - UK (if not UK please state country in comments) Scope 3 3 Room per night 13.9 kg CO2e/room per night 0 Hotel Italy
All Hotel Stay - UK (if not UK please state country in comments) Scope 3 141 Room per night 13.9 kg CO2e/room per night 2 Hotel UK
Transport Car - diesel (Medium car from 1.7 - 2.0 litre engine) km Scope 3 4,660 km 0.16496 kg CO2e/km 0.8 Business Travel
Transport Car - diesel (Large car 2.0 litre engine +) km Scope 3 2,478 km 0.20721 kg CO2e/km 0.5 Business Travel
Transport Car - petrol (Small car up to a 1.4 litres engine) km Scope 3 3,948 km 0.14946 kg CO2e/km 0.6 Business Travel
Transport Car - petrol (Medium car from 1.4 - 2.0 litre engine) km Scope 3 59,380 km 0.18785 kg CO2e/km 11.2 Business Travel
Transport Car - petrol (Large car 2.0 litre engine +) km Scope 3 13,120 km 0.27909 kg CO2e/km 3.7 Business Travel
Transport Business Travel Car - Battery Electric Vehicle (average) km Scope 3 256 km 0.05477 kg CO2e/km 0 Business Travel
Transport Domestic flight (average passenger) Scope 3 10,408 passenger km 0.24587 kg CO2e/passenger km 2.6 Business Travel
Transport Short-haul flights (average passenger) Scope 3 18,423 passenger km 0.15353 kg CO2e/passenger km 2.8 Business Travel
Transport Rail (National rail) Scope 3 69,014 passenger km 0.03549 kg CO2e/passenger km 2.4 Business Travel
Transport Ferry (average passenger) Scope 3 71 passenger km 0.11286 kg CO2e/passenger km 0 Business Travel
Transport Rail (National rail) Scope 3 54,669 passenger km 0.03549 kg CO2e/passenger km 1.9 Commute Travel
Transport Light rail and tram Scope 3 73 passenger km 0.02813 kg CO2e/passenger km 0 Commute Travel
Transport Car - diesel (average - unknown engine size) km Scope 3 10,493 km 0.16843 kg CO2e/km 1.8 Commute Travel
Transport Car - petrol (average) km Scope 3 15,563 km 0.17431 kg CO2e/ km 2.7 Commute Travel
Transport Coach Scope 3 1,979 passenger km 0.02684 kg CO2e/passenger km 0.1 Commute Travel
Transport Bus (local bus, not London) Scope 3 7,391 passenger km 0.11774 kg CO2e/passenger km 0.9 Commute Travel
Waste Refuse Municipal to Landfill Scope 3 9 tonnes 446.2415 kgCO2e/tonne 3.8 Buchanan House Only
Waste Paper & Board (Mixed) Recycling Scope 3 5 tonnes 21.29357 kgCO2e/tonne 0.1 Buchanan House Only
Waste Mixed recycling Scope 3 11 tonnes 21.29357 kg CO2e/tonne 0.2 Buchanan House Only
Water Water - Supply Scope 3 1,310 m3 0.11 kg CO2e/m3 0.14 Buchanan House Only - using BEIS emission factor 0.149 kgCO2e/m3 = 0.195
Water Water - Treatment Scope 3 1,310 m3 0.23 kg CO2e/m3 0.3 Buchanan House and Traffic Control Centre  - using BEIS emission factor 0.272 kgCO2e/m3 = 0.357
Fuels Natural Gas Scope 1 711,219 kWh 0.18316 kg CO2e/kWh 130.3 Buchanan House and Traffic Control Centre
Electricity Grid Electricity (generation) Scope 2 1,299,173 kWh 0.21233 kg CO2e/kWh 275.9 Buchanan House and Traffic Control Centre
Electricity Grid Electricity (transmission & distribution losses) Scope 3 22,410,879 kWh 0.01879 kg CO2e/kWh 24.4 Buchanan House and Traffic Control Centre
Electricity Grid Electricity (generation) Scope 2 22,410,879 kWh 0.21233 kg CO2e/kWh 4,758.50 Trunk Road Network
Electricity Grid Electricity (transmission & distribution losses) Scope 3 22,410,879 kWh 0.01879 kg CO2e/kWh 421.1 Trunk Road Network
N/A Hybrid/Homeworking emissions Scope 3 91.50% percentage of total FTEs 0.3 tCO2e/FTE/annum 146 N/A
TOTAL N/A N/A N/A N/A N/A N/A 5,795 N/A