Unit fuel meters #2138
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Unit fuel meters #2138
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joseph-robertson
commented
Jan 7, 2026
ReportSimulationOutput/measure.rb
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| if @hpxml_bldgs.size == 1 | ||
| Model.add_output_meter(model, meter_name: "#{fuel.meter.gsub(':', '_')}_CustomMeter", reporting_frequency: 'runperiod') # Used for error checking | ||
| else | ||
| @hpxml_bldgs.each do |hpxml_bldg| | ||
| unit_num = @hpxml_bldgs.index(hpxml_bldg) + 1 | ||
| Model.add_output_meter(model, meter_name: "unit#{unit_num}_#{fuel.meter.gsub(':', '_')}_CustomMeter", reporting_frequency: 'runperiod') # Used for error checking | ||
| end | ||
| end |
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Wrap this in a method?
joseph-robertson
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Jan 7, 2026
HPXMLtoOpenStudio/measure.rb
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| Outputs.create_unit_fuel_meter(model, EPlus::FuelTypeElectricity, 'ElectricityProduced:Facility') | ||
| Outputs.create_unit_fuel_meter(model, EPlus::FuelTypeElectricity, 'ElectricStorage:ElectricityProduced') |
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Using these meters is motivated by resilience calculations for batteries. Should we additionally create unit meters for MeterCustomElectricityTotal, MeterCustomElectricityNet, and MeterCustomElectricityPV so that we can support reporting out Electricity Total and Net for each unit?
Fuel Use: Unit1: Electricity: Total (MBtu), x
Fuel Use: Unit1: Electricity: Net (MBtu), y
Fuel Use: Unit1: Natural Gas: Total (MBtu), z
...
…tal and Net for each unit.
joseph-robertson
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| Annual Energy by Fuel Use by Unit | ||
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | ||
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| Fuel uses by unit are listed below. | ||
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| ================================================== =========================== | ||
| Type Notes | ||
| ================================================== =========================== | ||
| Fuel Use: <BuildingID>: Electricity: Total (MBtu) Total electricity consumption | ||
| Fuel Use: <BuildingID>: Electricity: Net (MBtu) Total energy consumption minus power produced by PV | ||
| Fuel Use: <BuildingID>: Natural Gas: Total (MBtu) | ||
| Fuel Use: <BuildingID>: Fuel Oil: Total (MBtu) Includes "fuel oil", "fuel oil 1", "fuel oil 2", "fuel oil 4", "fuel oil 5/6", "kerosene", and "diesel" | ||
| Fuel Use: <BuildingID>: Propane: Total (MBtu) | ||
| Fuel Use: <BuildingID>: Wood Cord: Total (MBtu) | ||
| Fuel Use: <BuildingID>: Wood Pellets: Total (MBtu) | ||
| Fuel Use: <BuildingID>: Coal: Total (MBtu) Includes "coal", "anthracite coal", "bituminous coal", and "coke" |
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Note about only populating these outputs if running whole-building simulation (i.e., more than 1 dwelling unit)?
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We should think about how this interacts with modeling central/shared systems. |
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Pull Request Description
Addresses #1499. Adds custom meters to calculate energy use for each dwelling unit.
Checklist
Not all may apply:
EPvalidator.sch) has been updatedopenstudio tasks.rb update_hpxmls)HPXMLtoOpenStudio/tests/test*.rband/orworkflow/tests/test*.rb)openstudio tasks.rb update_measureshas been run