Model assumptions

The following are the variables used as assumptions by energy system models.

Macro-economic assumptions

Variable name variable	Description	Sets (defined over)
population	Population
households	Number of households
working_population	Working population
gdp	Gross domestic product
energy_reference_area	Energy reference area	endusesector, building, age

Demands

Variable name variable	Description	Sets (defined over)
space_heating_useful_energy_demand	Space heating useful energy demand	endusesector
warm_water_useful_energy_demand	Warm water useful energy demand	endusesector
process_heat_useful_energy_demand	Process heat useful energy demand	endusesector
electric_appliances_useful_energy_demand	Electricity appliances useful energy demand	endusesector
passenger_transport_useful_energy_demand	Passenger transport useful energy demand	trn_mode_private
freight_transport_useful_energy_demand	Freight transport useful energy demand	trn_mode_freight
aviation_fuel_demand	Aviation fuel demand	fuel

Resources

Variable name variable	Description	Sets (defined over)
import_prices	Fuel import prices	fuel
biomass_potential	Biomass potentials	resource