anchor.diff:  Activation curve,E_PeakBoiler_req_W,W,Auxiliary electricity for peak boiler,grey
   Activation curve,E_AddBoiler_req_W,W,Auxiliary electricity for back-up boiler,red
   Activation curve,E_aux_storage_solar_and_heat_recovery_req_W,W,Auxiliary electricity of thermal storage,green
  -Activation curve,E_total_req_W,W,Total electrical load required,black
  +Activation curve,E_total_req_W,W,Electriccity required by the district energy system,black
   
   Cost Analysis,Capex_a_ACH,$USD(2015),Annualized CAPEX of absorption chiller,red
   Cost Analysis,Capex_a_CCGT,$USD(2015),Annualized CAPEX of combined cycle gas turbine,orange
   Cost Analysis,Capex_a_CT,$USD(2015),Annualized CAPEX of cooling tower,blue
  -Cost Analysis,Capex_a_Tank,$USD(2015),Annualized CAPEX of storage tank,blue_light
  +Cost Analysis,Capex_a_Tank,$USD(2015),Annualized CAPEX of thermal storage,blue_light
   Cost Analysis,Capex_a_VCC,$USD(2015),Annualized CAPEX of vapor compression chiller,red_light
  -Cost Analysis,Capex_a_VCC_backup,$USD(2015),Annualized CAPEX of backup vapor compression chiller,orange_light
  -Cost Analysis,Capex_a_pump,$USD(2015),Annualized CAPEX of thermal network pump,grey
  +Cost Analysis,Capex_a_VCC_backup,$USD(2015),Annualized CAPEX of back-up vapor compression chiller,orange_light
  +Cost Analysis,Capex_a_pump,$USD(2015),Annualized CAPEX of thermal network pumps,grey
   Cost Analysis,Opex_var_ACH,$USD(2015),OPEX of absorption chiller,blue
  -Cost Analysis,Opex_var_CCGT,$USD(2015),OPEX combined cycle gas turbine,green
  +Cost Analysis,Opex_var_CCGT,$USD(2015),OPEX of combined cycle gas turbine,green
   Cost Analysis,Opex_var_CT,$USD(2015),OPEX of cooling tower,red
  -Cost Analysis,Opex_var_Lake,$USD(2015),Operating costs corresponding to lake,blue_light
  +Cost Analysis,Opex_var_Lake,$USD(2015),OPEX of free-cooling from lake,blue_light
   Cost Analysis,Opex_var_VCC,$USD(2015),OPEX of vapor compression chiller,brown_light
  -Cost Analysis,Opex_var_VCC_backup,$USD(2015),OPEX of backup vapor compression chiller,blue_light
  -Cost Analysis,Opex_var_pumps,$USD(2015),OPEX of thermal network pump,orange
  -Cost Analysis,Capex_Total,$USD(2015),Total CAPEX,orange
  +Cost Analysis,Opex_var_VCC_backup,$USD(2015),OPEX of back-up vapor compression chiller,blue_light
  +Cost Analysis,Opex_var_pumps,$USD(2015),OPEX of thermal network pumps,orange
  +Cost Analysis,Capex_Total,$USD(2015),Total annualized CAPEX,orange
   Cost Analysis,Opex_Total,$USD(2015),Total OPEX,blue
  -Cost Analysis,Capex_SC,$USD(2015),CAPEX of solar collector,blue
  -Cost Analysis,Capex_PVT,$USD(2015),CAPEX of photovoltaic-thermal,red
  -Cost Analysis,Capex_furnace,$USD(2015),CAPEX of CHP-furnace,orange
  -Cost Analysis,Capex_Boiler_Total,$USD(2015),CAPEX of boiler,blue_light
  -Cost Analysis,Capex_Lake,$USD(2015),CAPEX of lake,red_light
  -Cost Analysis,Capex_Sewage,$USD(2015),CAPEX of sewage heat-pump,orange_light
  -Cost Analysis,Capex_CHP,$USD(2015),CAPEX of combined heat and power plant,grey_light
  -Cost Analysis,Capex_pump,$USD(2015),CAPEX of thermal network pump,grey
  +Cost Analysis,Capex_SC,$USD(2015),Annualized CAPEX of solar collectors,blue
  +Cost Analysis,Capex_PVT,$USD(2015),Annualized CAPEX of photovoltaic-thermal,red
  +Cost Analysis,Capex_furnace,$USD(2015),Annualized CAPEX of CHP-furnace,orange
  +Cost Analysis,Capex_Boiler_Total,$USD(2015),Annualized CAPEX of boiler,blue_light
  +Cost Analysis,Capex_Lake,$USD(2015),Annualized CAPEX of free-cooling from the lake,red_light
  +Cost Analysis,Capex_Sewage,$USD(2015),Annualized CAPEX of sewage heat-pump,orange_light
  +Cost Analysis,Capex_CHP,$USD(2015),Annualized CAPEX of combined heat and power plant,grey_light
  +Cost Analysis,Capex_pump,$USD(2015),Annualized CAPEX of thermal network pumps,grey
   Cost Analysis,Opex_HP_Sewage,$USD(2015),OPEX of sewage heat-pump,blue
  -Cost Analysis,Opex_HP_Lake,$USD(2015),OPEX of lake,red
  -Cost Analysis,Opex_GHP,$USD(2015),OPEX of geothermal heat pump,orange
  +Cost Analysis,Opex_HP_Lake,$USD(2015),OPEX of lake-source heat-pump,red
  +Cost Analysis,Opex_GHP,$USD(2015),OPEX of ground-source heat-pump,orange
   Cost Analysis,Opex_CHP_Total,$USD(2015),OPEX of combined cycle heat pump,blue_light
   Cost Analysis,Opex_Furnace_Total,$USD(2015),OPEX of furnace,orange_light
  -Cost Analysis,Opex_Boiler_Total,$USD(2015),OPEX of boiler,red_light
  +Cost Analysis,Opex_Boiler_Total,$USD(2015),Combined OPEX of base, back-up, and peak boilers,red_light
   Cost Analysis,Disconnected_costs,$USD(2015),Disconnected costs,grey_light
  -Cost Analysis,Capex_Decentralized,$USD(2015),CAPEX in decentralized buildings,red
  -Cost Analysis,Opex_Decentralized,$USD(2015),OPEX in decentralized buildings,blue
  -Cost Analysis,Capex_Centralized,$USD(2015),CAPEX in district network,green
  -Cost Analysis,Opex_Centralized,$USD(2015),OPEN in district network,brown
  -Cost Analysis,Disconnected_Capex_Boiler_BG,$USD(2015),CAPEX of BG boilers in decentralized buildings,red
  -Cost Analysis,Disconnected_Capex_Boiler_NG,$USD(2015),CAPEX of NG-boilers in decentralized buildings,blue
  -Cost Analysis,Disconnected_Capex_GHP,$USD(2015),CAPEX of geothermal heat-pumps in decentralized buildings,green
  -Cost Analysis,Disconnected_Capex_FC,$USD(2015),CAPEX of fuel cells in decentralized buildings,brown
  +Cost Analysis,Capex_Decentralized,$USD(2015),Annualized CAPEX of decentralized energy systems in buildings,red
  +Cost Analysis,Opex_Decentralized,$USD(2015),OPEX of decentralized energy systems in buildings,blue
  +Cost Analysis,Capex_Centralized,$USD(2015),Annualized CAPEX of district energy system,green
  +Cost Analysis,Opex_Centralized,$USD(2015),OPEX of district energy system,brown
  +Cost Analysis,Disconnected_Capex_Boiler_BG,$USD(2015),Annualized CAPEX of BG boilers in decentralized buildings,red
  +Cost Analysis,Disconnected_Capex_Boiler_NG,$USD(2015),Annualized CAPEX of NG-boilers in decentralized buildings,blue
  +Cost Analysis,Disconnected_Capex_GHP,$USD(2015),Annualized CAPEX of geothermal heat-pumps in decentralized buildings,green
  +Cost Analysis,Disconnected_Capex_FC,$USD(2015),Annualized CAPEX of fuel cells in decentralized buildings,brown
   Cost Analysis,Disconnected_Opex_Boiler_BG,$USD(2015),OPEX of BG-boiler in decentralized buildings,green
   Cost Analysis,Disconnected_Opex_Boiler_NG,$USD(2015),OPEX of NG-boiler in decentralized buildings,red
  -Cost Analysis,Disconnected_Opex_GHP,$USD(2015),OPEX of geothermal heat-pump in decentralized buildings,brown
  +Cost Analysis,Disconnected_Opex_GHP,$USD(2015),OPEX of ground-source heat-pump in decentralized buildings,brown
   Cost Analysis,Disconnected_Opex_FC,$USD(2015),OPEX of fuel cells in decentralized buildings,blue
  -Cost Analysis,Disconnected_Capex_Direct_Expansion,$USD(2015),CAPEX of mini-split systems in decentralized buildings,red
  -Cost Analysis,Disconnected_Capex_VCC,$USD(2015),CAPEX of vapor compression chillers in decentralized buildings,blue
  -Cost Analysis,Disconnected_Capex_single_effect_ACH_FP,$USD(2015),CAPEX of single effect absorption chillers in decentralized buildings,green
  -Cost Analysis,Disconnected_Capex_single_effect_ACH_ET,$USD(2015),CAPEX of double effect absorption chillers in decentralized buildings,brown
  +Cost Analysis,Disconnected_Capex_Direct_Expansion,$USD(2015),Annualized CAPEX of mini-split systems in decentralized buildings,red
  +Cost Analysis,Disconnected_Capex_VCC,$USD(2015),Annualized CAPEX of vapor compression chillers in decentralized buildings,blue
  +Cost Analysis,Disconnected_Capex_single_effect_ACH_FP,$USD(2015),Annualized CAPEX of single effect absorption chillers (FP) in decentralized buildings,green
  +Cost Analysis,Disconnected_Capex_single_effect_ACH_ET,$USD(2015),Annualized CAPEX of single effect absorption chillers (ET) in decentralized buildings,brown
   Cost Analysis,Disconnected_Opex_Direct_Expansion,$USD(2015),OPEX of mini-split systems in decentralized buildings,green
   Cost Analysis,Disconnected_Opex_VCC,$USD(2015),OPEX of vapor compression chillers in decentralized buildings,red
  -Cost Analysis,Disconnected_Opex_single_effect_ACH_FP,$USD(2015),OPEX of single effect absorption chillers in decentralized buildings,brown
  -Cost Analysis,Disconnected_Opex_single_effect_ACH_ET,$USD(2015),OPEX of double effect absorption chillers in decentralized buildings,blue
  -Cost Analysis,Electricity_Costs,$USD(2015),Costs corresponding to electricity consumption by buildings,orange
  +Cost Analysis,Disconnected_Opex_single_effect_ACH_FP,$USD(2015),OPEX of single effect absorption chillers (FP) in decentralized buildings,brown
  +Cost Analysis,Disconnected_Opex_single_effect_ACH_ET,$USD(2015),OPEX of single effect absorption chillers (ET) in decentralized buildings,blue
  +Cost Analysis,Electricity_Costs,$USD(2015),Operation costs GRID electricity supplied to all buildings,orange
   
   Emissions and Primary Energy,E_ghg_ton,ton CO2-eq/yr,Building construction and decomissioning,black
   Emissions and Primary Energy,M_ghg_ton,ton CO2-eq/yr,Commuting,grey_light
  
positive.code: Activation curve,E_CHP_to_grid_W,W,CHP-CCGT generation exported,brown_light
  Activation curve,E_Furnace_to_grid_W,W,CHP-furnace generation exported,black
  Activation curve,E_from_grid_W,W,Electricity imports,red
  Activation curve,Electr_netw_total_W,W,Total electricity demand of buildings in the network,blue_light
  Activation curve,E_HPSew_req_W,W,Electricity demand of sewage-source heat-pump,red_light
  Activation curve,E_HPLake_req_W,W,Electricity demand of lake-source heat-pump,purple_light
  Activation curve,E_GHP_req_W,W,Electricity demand of ground-source heat-pump,orange
  
negative.code: Solar technologies,SC_FP_walls_south_Q_kWh,kWh,Heat production from flat-plate collectors on south facades,red_light
  Solar technologies,SC_FP_roofs_top_Q_kWh,kWh,Heat production from flat-plate collectors on roof tops,yellow_light
  
  Activation curve,Q_from_Lake_W,W,Cooling load supplied by the lake (free-cooling),purple
  Activation curve,Q_from_VCC_W,W,Cooling load supplied by vapor compression chiller,brown
  Activation curve,Q_from_ACH_W,W,Cooling load supplied by absorption chiller,orange
  Activation curve,Q_from_VCC_backup_W,W,Cooling load supplied by backup vapor compression chiller,red
  Activation curve,Q_from_storage_tank_W,W,Cooling load supplied by thermal storage,yellow
  Activation curve,Q_total_cooling_W,W,Total cooling demand,red_light
  
  Activation curve,Q_PVT_to_directload_W,W,PVT generation (thermal) to direct load,purple
  Activation curve,Q_SC_ET_to_directload_W,W,Solar collector (ET) generation to direct load,brown
  Activation curve,Q_SC_FP_to_directload_W,W,Solar collector (FP) generation to direct load,orange
  Activation curve,Q_compair_to_directload_W,W,Heat recovery from compressed-air to direct load,yellow
  Activation curve,Q_server_to_directload_W,Heat recovery from data center to direct load,red
  Activation curve,Q_SOLARandPVT_gen_Wh,W,Combined generation (thermaL) PVT and Solar collector ,yellow
  Activation curve,Q_from_storage_used_W,W,Thermal storage to direct load,red_light
  Activation curve,Q_AddBoiler_W,W,Back-up boiler generation,grey
  Activation curve,Q_BaseBoiler_W,W,Base boiler generation,red
  Activation curve,Q_PeakBoiler_W,W,Peak boiler generation,black
  Activation curve,Q_CHP_W,W,CHP generation (thermal) to direct load,brown
  Activation curve,Q_Furnace_W,W,Heating load provided by furnace,green
  Activation curve,Q_GHP_W,W,Heating load provided by geothermal heat pump,purple
  Activation curve,Q_HPLake_W,W,Heating load provided by heat pump associated with lake,blue
  