| 2019 | [
  #<Node agriculture_final_demand_ht_central_steam_hot_water>,0
  #<Node buildings_space_heater_district_heating_ht_steam_hot_water>,1
  #<Node energy_direct_air_capture_co2_electricity>,2
  #<Node energy_heat_distribution_ht_loss>,3
  #<Node households_space_heater_district_heating_ht_steam_hot_water>,4
  #<Node households_water_heater_district_heating_ht_steam_hot_water>,5
  #<Node other_final_demand_ht_steam_hot_water>,6
] | nodes | 
| 2050 | [
  #<Node agriculture_final_demand_ht_central_steam_hot_water>,0
  #<Node buildings_space_heater_district_heating_ht_steam_hot_water>,1
  #<Node energy_direct_air_capture_co2_electricity>,2
  #<Node energy_heat_distribution_ht_loss>,3
  #<Node households_space_heater_district_heating_ht_steam_hot_water>,4
  #<Node households_water_heater_district_heating_ht_steam_hot_water>,5
  #<Node other_final_demand_ht_steam_hot_water>,6
] | nodes |