Appendix II: regression-based models

_{TICCS subclass}

_{Sector name}

_{Model for each emission scope}

_Regressors

_{Scope 1}

_{Scope 2}

_{Scope 3}

_{Model 7: Data Centres (IC502010)}

_IC502010

_{Data Centres}

_Negligible

_RBM

_NA

_{Electricity consumption}

_{Model 8: Airports (IC601010)}

_IC601010

_Airports

_RBMs

_{ABM using air traffic data}

_{Physical characteristics, temperature, number of passengers, nearby power plants, number of flights}

_{Model 9: Ports (IC6030)}

_IC6030

_{Tool, Bulk Goods, and Container Ports}

_RBMs

_NA

_{Revenue, throughput}

_{Model 10: Rails (IC6040 and IC6060)}

_IC6040

_{Rail Lines}

_RBMs

_{rail length, country, train electrification ratio}

_IC6060

_{Urban Commuters}

_{Model 11: Roads (IC6050)}

_IC6050

_Roads

_RBMs

_{Road area, i.e., length x number of lanes, revenue, country GDP growth rate}

_{Model 12: Network Utilities (IC80)}

_IC80

_{Distribution Networks}

_RBMs

_{Number of customers, number of employees, revenue}

^{Note: While we provide predictions or reported emissions for all listed asset subclasses, we do not have predictions for all assets due to missing data points. If the model is listed as “negligible,” the respective CO2 emissions are close to zero; if models are listed as “NA,” we did not build a model.}