diff --git a/hub_api/docs/openapi-specs.yml b/hub_api/docs/openapi-specs.yml
index 73d3dde..0eed27a 100644
--- a/hub_api/docs/openapi-specs.yml
+++ b/hub_api/docs/openapi-specs.yml
@@ -342,6 +342,59 @@ paths:
             application/json:
               schema:
                 $ref: '#/components/schemas/ApiResponse'
+  /v1.4/energy-demand/{city_id}:
+    get:
+      tags:
+        - energy-demand
+      summary: Get energy demand
+      description: Retrieve energy demand data
+      operationId: getEnergyDemand
+      parameters:
+        - in: header
+          name: appId
+          schema:
+            type: string
+          required: true
+          description: the Id of the application access this API
+        - in: path
+          name: city_id
+          schema:
+            type: integer
+            required: true
+            description: Numeric ID of the city to get
+      responses:
+        '200':
+          description: Successfully retrieved energy demand data
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/EnergyDemand'
+        '400':
+          description: Bad Request
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ApiResponse'
+          '403':
+            description: Forbidden
+            content:
+              application/json:
+                schema:
+                  $ref: '#/components/schemas/ApiResponse'
+          '401':
+            description: Unauthorized
+            content:
+              application/json:
+                schema:
+                  $ref: '#/components/schemas/ApiResponse'
+          '500':
+            description: Internal server error
+            content:
+              application/json:
+                schema:
+                  $ref: '#/components/schemas/ApiResponse'
+      security:
+        - BearerAuth: [ ]
   /v1.4/construction/{city_id}:
     put:
       tags:
@@ -713,7 +766,6 @@ components:
                 items:
                   type: object
                   $ref: '#components/schemas/Layers'
-
       required:
         - building_names
         - extra_loses_due_to_thermal_bridges
@@ -822,6 +874,25 @@ components:
           type: array
           items:
             type: object
+    EnergyDemand:
+      type: object
+      properties:
+        heating_demand:
+          type: array
+          items:
+            type: object
+        cooling_demand:
+          type: array
+          items:
+            type: object
+        lighting_demand:
+          type: array
+          items:
+            type: object
+        appliances_demand:
+          type: array
+          items:
+            type: object
     Login:
       type: object
       properties: