diff --git a/services/operation_services.py b/services/operation_services.py
index 9e72a95a4adf826e76508d493b1782878e19ca18..c8f27a2239d4832ee44c51503d6d1d0540d16e13 100644
--- a/services/operation_services.py
+++ b/services/operation_services.py
@@ -147,6 +147,7 @@ class OperationsService(Component):
             else None,
             "conso_tot": power_tot[0],
             "prod_tot": power_tot[1],
+            "month": power_tot[3],
             "conso_rate": cons_rate,
             "prod_rate": prod_rate,
         }
@@ -708,6 +709,7 @@ class OperationsService(Component):
             "image": {"type": "string", "nullable": True},
             "conso_tot": {"type": "float"},
             "prod_tot": {"type": "float"},
+            "month": {"type": "date"},
             "conso_rate": {"type": "float"},
             "prod_rate": {"type": "float"},
             "news": {