anchor.diff:  Installed capacities,Peak_boiler_NG_capacity_W,W,Peak NG-fired boiler,black
   Installed capacities,SC_ET_capacity_W SC_FP_capacity_W,W,Sollar collector ET,black
   Installed capacities,storage_cooling_capacity_W,W,thermal storage,blue_light
  -,,,,
  +
   Installed capacities,Disconnected_Boiler_BG_capacity_W,W,NG-fired boiler(building scale),black
   Installed capacities,Disconnected_Boiler_NG_capacity_W,W,NG-fired boiler(building scale),black
   Installed capacities,Disconnected_FC_capacity_W,W,Fuell cell(building scale),black
  
positive.code: Activation curve,E_total_req_W,W,Electricity required by the district energy system,black
  Activation curve,E_total_to_grid_W_negative,W,Electricity sold to the grid,grey
  Activation curve,NG_used_CCGT_W,W,Natural Gas import to run CCGT plant,grey
  ,,,,
  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
  
negative.code: 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,Capex_Decentralized_m2,$USD(2015)/m2.yr,Annualized CAPEX of decentralized energy systems in buildings,red
  Cost Analysis,Opex_Decentralized_m2,$USD(2015)/m2.yr,OPEX of decentralized energy systems in buildings,blue
  Cost Analysis,Capex_Centralized_m2,$USD(2015)/m2.yr,Annualized CAPEX of district energy system,green
  Cost Analysis,Opex_Centralized_m2,$USD(2015)/m2.yr,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
  