diff --git a/hub/imports/energy_systems/helpers/__init__.py b/hub/imports/energy_systems/helpers/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/hub/imports/energy_systems/helpers/energy_systems_helper.py b/hub/imports/energy_systems/helpers/energy_systems_helper.py
new file mode 100644
index 00000000..15bb2fa9
--- /dev/null
+++ b/hub/imports/energy_systems/helpers/energy_systems_helper.py
@@ -0,0 +1,29 @@
+"""
+Energy systems helper
+SPDX - License - Identifier: LGPL - 3.0 - or -later
+Copyright © 2022 Concordia CERC group
+Project Coder Pilar Monsalvete Alvarez de Uribarri pilar.monsalvete@concordia.ca
+"""
+
+from hub.helpers import constants as cte
+
+
+class EnergySystemsHelper:
+  """
+  EnergySystems helper
+  """
+  _montreal_custom_fuel_to_hub_fuel = {
+    cte.GAS: 'gas',
+    cte.ELECTRICITY: 'electricity',
+    cte.RENEWABLE: 'renewable'
+  }
+
+  @staticmethod
+  def montreal_custom_fuel_to_hub_fuel(fuel):
+    """
+    Get hub fuel from montreal_custom catalog fuel
+    :param fuel: str
+    :return: str
+    """
+    return EnergySystemsHelper._montreal_custom_fuel_to_hub_fuel[fuel]
+
diff --git a/hub/imports/energy_systems/montreal_custom_energy_system_parameters.py b/hub/imports/energy_systems/montreal_custom_energy_system_parameters.py
index f7349d3d..479e5630 100644
--- a/hub/imports/energy_systems/montreal_custom_energy_system_parameters.py
+++ b/hub/imports/energy_systems/montreal_custom_energy_system_parameters.py
@@ -19,6 +19,7 @@ from hub.city_model_structure.energy_systems.generation_system import Generation
 from hub.city_model_structure.energy_systems.distribution_system import DistributionSystem
 from hub.city_model_structure.energy_systems.emission_system import EmissionSystem
 from hub.helpers.dictionaries import Dictionaries
+from hub.imports.energy_systems.helpers.energy_systems_helper import EnergySystemsHelper
 
 
 class MontrealCustomEnergySystemParameters:
@@ -87,7 +88,8 @@ class MontrealCustomEnergySystemParameters:
       _type = str(system.name).split('_', maxsplit=1)[0]
       _generation_system.type = Dictionaries().montreal_system_to_hub_energy_generation_system[
         _type]
-      _generation_system.fuel_type = archetype_generation_equipment.fuel_type
+      _fuel_type = EnergySystemsHelper().montreal_custom_fuel_to_hub_fuel(archetype_generation_equipment.fuel_type)
+      _generation_system.fuel_type = _fuel_type
       _generation_system.source_types = archetype_generation_equipment.source_types
       _generation_system.heat_efficiency = archetype_generation_equipment.heat_efficiency
       _generation_system.cooling_efficiency = archetype_generation_equipment.cooling_efficiency