| 2019 | [
  #<Node agriculture_final_demand_mt_steam_hot_water>,0
  #<Node buildings_space_heater_district_heating_mt_steam_hot_water>,1
  #<Node energy_heat_distribution_mt_loss>,2
  #<Node households_space_heater_district_heating_mt_steam_hot_water>,3
  #<Node households_water_heater_district_heating_mt_steam_hot_water>,4
] | nodes | 
| 2050 | [
  #<Node agriculture_final_demand_mt_steam_hot_water>,0
  #<Node buildings_space_heater_district_heating_mt_steam_hot_water>,1
  #<Node energy_heat_distribution_mt_loss>,2
  #<Node households_space_heater_district_heating_mt_steam_hot_water>,3
  #<Node households_water_heater_district_heating_mt_steam_hot_water>,4
] | nodes |