New parameter to scale EV efficiency

NREL · Jan 9, 2025 · da2b1de · da2b1de
1 parent 70197bf
commit da2b1de
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Showing 3 changed files with 12 additions and 2 deletions.
diff --git a/measures/ResStockArguments/measure.rb b/measures/ResStockArguments/measure.rb
@@ -404,6 +404,12 @@ def arguments(model)
     arg.setUnits('hours')
     args << arg
 
+    arg = OpenStudio::Measure::OSArgument::makeDoubleArgument('ev_efficiency_percent_increase', false)
+    arg.setDisplayName('Electric Vehicle: Efficiency Improvement')
+    arg.setDescription('The increase (%) in efficiency of the electric vehicle.')
+    arg.setUnits('hours')
+    args << arg
+
     return args
   end
 
@@ -857,6 +863,11 @@ def run(model, runner, user_arguments)
       args[:ev_hours_per_week] = (hours_per_year / UnitConversions.convert(1, 'yr', 'day')) * 7
     end
 
+    if not args[:ev_efficiency_percent_increase].nil?
+      # Adjust efficiency (in kWh/mile) to reflect a percentage improvement in efficiency.
+      args[:ev_energy_efficiency] = args[:ev_energy_efficiency] / (1 + args[:ev_efficiency_percent_increase])
+    end
+
     args.each do |arg_name, arg_value|
       if args_to_delete.include?(arg_name) || (arg_value == Constants::Auto)
         arg_value = '' # don't assign these to BuildResidentialHPXML or BuildResidentialScheduleFile

diff --git a/measures/ResStockArguments/resources/constants.rb b/measures/ResStockArguments/resources/constants.rb
@@ -57,8 +57,6 @@ module Constants
                                    'emissions_wood_values',
                                    'emissions_coal_values',
                                    'emissions_wood_pellets_values',
-                                   'ev_battery_capacity',
-                                   'ev_battery_discharge_power',
                                    'ev_hours_per_week',
                                    'misc_plug_loads_vehicle_2_usage_multiplier',
                                    'misc_plug_loads_vehicle_annual_kwh',

diff --git a/resources/options_lookup.tsv b/resources/options_lookup.tsv
@@ -9287,6 +9287,7 @@ Electric Vehicle Outlet Access	Yes
 Electric Vehicle Ownership	No	ResStockArguments	ev_battery_present=false
 Electric Vehicle Ownership	Void
 Electric Vehicle Ownership	Yes	ResStockArguments	ev_battery_present=true
+Electric Vehicle Efficiency Increase	15%	ResStockArguments	ev_efficiency_percent_increase=0.15
 Energystar Climate Zone 2023	North-Central
 Energystar Climate Zone 2023	Northern
 Energystar Climate Zone 2023	South-Central