diff --git a/laborious/metrics.py b/laborious/metrics.py
index 6580eef..9d422fb 100644
--- a/laborious/metrics.py
+++ b/laborious/metrics.py
@@ -30,12 +30,12 @@ PREDICTION_RESPONSE_TIME_MONITOR = Histogram(
 PREDICTION_OPC_WRITING_COUNT = Counter(
     "laborious_prediction_opc_writing_count",
     "Number of predictions written to the OPC server",
-    CORE_LABELS,
+    [CORE_LABELS, "opc_server_id"],
 )
 
 PREDICTION_OPC_WRITING_RESPONSE_TIME_MONITOR = Histogram(
     "laborious_prediction_opc_writing_response_time_monitor",
     "Current response time of each prediction written to the OPC server",
-    CORE_LABELS,
+    [CORE_LABELS, "opc_server_id"],
     buckets=[0.01, 0.05, 0.1, 0.2, 0.5, 1.0, 2.0, 5.0, 10.0]
 )
diff --git a/laborious/utils/repository/opc_repository.py b/laborious/utils/repository/opc_repository.py
index e22288e..212ea5d 100644
--- a/laborious/utils/repository/opc_repository.py
+++ b/laborious/utils/repository/opc_repository.py
@@ -266,7 +266,8 @@ class OpcRepository():
             metrics.PREDICTION_OPC_WRITING_COUNT.labels(
                 pod_id=self.pod_id,
                 model_name=metadata['model_name'],
-                pipeline_name=metadata['workflow_name']
+                pipeline_name=metadata['workflow_name'],
+                opc_server_id=self.id
             ).inc()
 
             end_time = time.time()
@@ -274,7 +275,8 @@ class OpcRepository():
             metrics.PREDICTION_OPC_WRITING_RESPONSE_TIME_MONITOR.labels(
                 pod_id=self.pod_id,
                 model_name=metadata['model_name'],
-                pipeline_name=metadata['workflow_name']
+                pipeline_name=metadata['workflow_name'],
+                opc_server_id=self.id
             ).observe(response_time)
 
         except Exception as e: