diff --git a/hub/city_model_structure/energy_systems/generic_generation_system.py b/hub/city_model_structure/energy_systems/generic_generation_system.py
index 2ddd686b..64fa35b5 100644
--- a/hub/city_model_structure/energy_systems/generic_generation_system.py
+++ b/hub/city_model_structure/energy_systems/generic_generation_system.py
@@ -84,15 +84,6 @@ class GenericGenerationSystem:
     Get heat_power in W
     :return: float
     """
-    if building.heating_peak_load is not None:
-      _generation_system.heat_power = building.heating_peak_load
-    if building.cooling_peak_load is not None:
-      _generation_system.cooling_power = building.cooling_peak_load
-    # the only system that generates electricity in the montreal custom catalog is PV systems
-    _generation_system.electricity_power = 0
-    if archetype_generation_equipment.storage:
-      # todo: calculate storage capacity in J
-      _generation_system.storage_capacity = 0
     return self._heat_power
 
   @heat_power.setter