diff --git a/data/sensors/concordia_energy_db.json b/data/sensors/concordia_energy_db.json
index a2649591..eea701f7 100644
--- a/data/sensors/concordia_energy_db.json
+++ b/data/sensors/concordia_energy_db.json
@@ -1,8 +1,9 @@
 {
   "sensors": [
-    { "building" :  "EV",
+    { "city_object" :  "EV",
       "sensors": ["TOTKWCH3.IC","TOTKWEV.IC","COMPTEUR.SQD.017.IC:POWER 3P", "COMPTEUR.SQD.B1.IC:POWER 3P", "COMPTEUR.SQD.B2.IC:POWER 3P",
         "TOTKWEV-MB.IC"]
     }
+
   ]
 }
\ No newline at end of file
diff --git a/imports/sensors/concordia_energy_consumption.py b/imports/sensors/concordia_energy_consumption.py
index 918d35c2..e82cddff 100644
--- a/imports/sensors/concordia_energy_consumption.py
+++ b/imports/sensors/concordia_energy_consumption.py
@@ -12,20 +12,20 @@ class ConcordiaEnergyConsumption(ConcordiaFileReport):
 
   def __init__(self, city, end_point, base_path):
     super().__init__(city, end_point, base_path, 'concordia_energy_db.json')
-    for building in city.buildings:
-      for i in range(len(self._buildings)):
-        if self._buildings[i] == building.name and self._sensors[i] in self._sensor_point:
+    for city_object in city.city_objects:
+      for i in range(len(self._city_object)):
+        if self._city_object[i] == city_object.name and self._sensors[i] in self._sensor_point:
           building_measures = [self._measures["Date time"], self._measures[self._sensor_point[self._sensors[i]]]]
           building_headers = ["Date time", "Energy consumption"]
           building_energy_consumption = pd.concat(building_measures, keys=building_headers, axis=1)
           sensor = ConcordiaEnergySensor(self._sensors[i])
           sensor_exist = False
-          for j in range(len(building.sensors)):
-            if building.sensors[j].name is sensor.name:
-              building.sensors[j].add_period(building_energy_consumption)
+          for j in range(len(city_object.sensors)):
+            if city_object.sensors[j].name is sensor.name:
+              city_object.sensors[j].add_period(building_energy_consumption)
               sensor_exist = True
               break
           if not sensor_exist:
             sensor.add_period(building_energy_consumption)
-            building.sensors.append(sensor)
+            city_object.sensors.append(sensor)
 
diff --git a/imports/sensors/concordia_file_report.py b/imports/sensors/concordia_file_report.py
index 6d435e61..e8b6ef46 100644
--- a/imports/sensors/concordia_file_report.py
+++ b/imports/sensors/concordia_file_report.py
@@ -13,7 +13,7 @@ from city_model_structure.attributes.concordia_energy_sensor import ConcordiaEne
 class ConcordiaFileReport:
   def __init__(self, city, end_point, base_path, db_file):
 
-    self._buildings = []
+    self._city_object = []
     self._sensors = []
     self._sensor_point = {}
     self._city = city
@@ -24,10 +24,10 @@ class ConcordiaFileReport:
     with open(Path(base_path / db_file).resolve()) as concordia_db:
       self._sensor_database = json.load(concordia_db)
 
-    for building in self._sensor_database['sensors']:
-      building_name = building['building']
-      for sensor in building['sensors']:
-        self._buildings.append(building_name)
+    for city_object in self._sensor_database['sensors']:
+      city_object_name = city_object['city_object']
+      for sensor in city_object['sensors']:
+        self._city_object.append(city_object_name)
         self._sensors.append(sensor)
 
     buffer = ""