Issues

• Fan:SystemModel w/ continuous speed control is missing PLF impact

  TriageUnconfirmedDefect
  NatLabRockies/EnergyPlus#11927 · Filter by author shorowit opened on Nov 10, 2026
  1

• Runtime Fraction output variable missing for Fan:SystemModel w/ continous control

  Defect
  NatLabRockies/EnergyPlus#11920 · Filter by author shorowit opened on Nov 7, 2026
  

• Plant heat-pump defrost is applied after the load-side dispatch calculation

  TriageUnconfirmedDefect
  NatLabRockies/EnergyPlus#11914 · Filter by author cdeil opened on Nov 6, 2026

• Fan:SystemModel with continuous control does not use flow-weighted averaging

  Defect
  NatLabRockies/EnergyPlus#11909 · Filter by author shorowit opened on Nov 5, 2026
  2

  

• HeatPump:PlantLoop:EIR ignores its Minimum/Maximum Supply Water Temperature Curves (waterTempExceeded is never checked)

  NatLabRockies/EnergyPlus#11908 · Filter by author Ski90Moo opened on Nov 5, 2026
  1

• Total Energy and Peak Energy reported in Table results file are inconsistent when using FMI for Co-simulation

  TriageUnconfirmedDefect
  NatLabRockies/EnergyPlus#11906 · Filter by author wsdols opened on Nov 5, 2026
  1

• Fan runtime fraction does not reflect cycling of unitary system supplemental coil

  Defect
  NatLabRockies/EnergyPlus#11903 · Filter by author shorowit opened on Nov 4, 2026
  

• WaterUse:Well has various unused fields

  TriageUnconfirmedDefect
  NatLabRockies/EnergyPlus#11900 · Filter by author mitchute opened on Nov 3, 2026

• WaterUse:Storage has various unused fields

  TriageUnconfirmedDefect
  NatLabRockies/EnergyPlus#11899 · Filter by author mitchute opened on Nov 3, 2026

• Dehumidifier:Desiccant:NoFans Nominal Process Air Flow Rate is Unused

  TriageUnconfirmedDefect
  NatLabRockies/EnergyPlus#11898 · Filter by author mitchute opened on Nov 3, 2026

• FMI for Co-simulation not working with ExternalInterface:FunctionalMockupUnitImport:To:Schedule objects

  TriageUnconfirmedDefect
  NatLabRockies/EnergyPlus#11891 · Filter by author wsdols opened on Oct 27, 2026

• Kiva hands EnergyPlus a convection-only temperature as the surface radiant temperature

  TriageUnconfirmedDefect
  NatLabRockies/EnergyPlus#11890 · Filter by author matt-tucker opened on Oct 27, 2026

• Defrost model background information and potential issues

  TriageUnconfirmedDefect
  NatLabRockies/EnergyPlus#11882 · Filter by author lymereJ opened on Oct 23, 2026
  

• Water heater source side on an idle plant loop produces unexplained temperature rise on the use-side loop's demand side (energy created with no source)

  TriageUnconfirmedDefect
  NatLabRockies/EnergyPlus#11881 · Filter by author JasonGlazer opened on Oct 23, 2026

• Possible omission of inside HeatBalanceSourceTerm in CTF quick-conduction outside surface calculation

  TriageUnconfirmedDefect
  NatLabRockies/EnergyPlus#11879 · Filter by author zwfu99 opened on Oct 23, 2026

• Equipment load control does not account for ADU duct leakage (UnitarySystem sizes its output to the full zone load)

  TriageUnconfirmedDefect
  NatLabRockies/EnergyPlus#11873 · Filter by author yujiex opened on Oct 21, 2026

• ElectricLoadCenter:Transformer with an unresolved Meter Name segfaults in ElectricTransformer::setupMeterIndices

  NatLabRockies/EnergyPlus#11872 · Filter by author everpoint-saas opened on Oct 20, 2026

• AirflowNetwork horizontal openings may discard buoyancy-driven bidirectional airflow

  AirflowNetworkDefect
  NatLabRockies/EnergyPlus#11870 · Filter by author sebastienbrideau opened on Oct 19, 2026
  10

  

• HeatPump:PlantLoop:EIR — supply water temperature limit curves (and defrost) are evaluated at site outdoor dry-bulb, not the source inlet node

  NatLabRockies/EnergyPlus#11869 · Filter by author Ski90Moo opened on Oct 16, 2026
  5

• HeatPump:AirToWater in PlantEquipmentOperation:ComponentSetpoint: not found on loop, or crashes with internal type name

  NatLabRockies/EnergyPlus#11860 · Filter by author Ski90Moo opened on Oct 13, 2026

• ADU duct leakage without a return plenum causes excessive supply-airflow reduction through inconsistent return-flow accounting

  TriageUnconfirmedDefect
  NatLabRockies/EnergyPlus#11857 · Filter by author yujiex opened on Oct 9, 2026

• Refrigeration case credits are multiplied by the zone multiplier, but case energy is not

  TriageUnconfirmedDefect
  NatLabRockies/EnergyPlus#11856 · Filter by author eringold opened on Oct 8, 2026

• Generator:FuelSupply Liquid Generic Fuel CO2 Emission Factor is Unused

  TriageUnconfirmedDefect
  NatLabRockies/EnergyPlus#11852 · Filter by author mitchute opened on Oct 6, 2026
  1

• Generator:CombustionTurbine Optimum PLR Field is Unused

  TriageUnconfirmedDefect
  NatLabRockies/EnergyPlus#11847 · Filter by author mitchute opened on Oct 5, 2026
  1

• Complex fenestration: sky and ground diffuse transmittance read the BSDF matrix transposed relative to the beam

  TriageUnconfirmedDefect
  NatLabRockies/EnergyPlus#11831 · Filter by author robertweitl opened on Sep 30, 2026
  1