diff --git a/dmp-backend/web/src/main/java/eu/eudat/logic/managers/MetricsManager.java b/dmp-backend/web/src/main/java/eu/eudat/logic/managers/MetricsManager.java
index 03a153947..aa356d1a0 100644
--- a/dmp-backend/web/src/main/java/eu/eudat/logic/managers/MetricsManager.java
+++ b/dmp-backend/web/src/main/java/eu/eudat/logic/managers/MetricsManager.java
@@ -107,7 +107,10 @@ public class MetricsManager {
 
                 {MetricNames.DMP_WITH_GRANT, Gauge.build().name(MetricNames.DMP_WITH_GRANT).help("Number of Grants based on the status of the DMP that is using them").labelNames("status").register(registry.getPrometheusRegistry())},
 
-                {MetricNames.NEXUS + MetricNames.DMP_WITH_GRANT, Gauge.build().name(MetricNames.NEXUS + MetricNames.DMP_WITH_GRANT).help("Number of Grants based on the status of the DMP that is using them during Nexus").labelNames("status").register(registry.getPrometheusRegistry())}
+                {MetricNames.NEXUS + MetricNames.DMP_WITH_GRANT, Gauge.build().name(MetricNames.NEXUS + MetricNames.DMP_WITH_GRANT).help("Number of Grants based on the status of the DMP that is using them during Nexus").labelNames("status").register(registry.getPrometheusRegistry())},
+
+                {MetricNames.INSTALLATIONS, Gauge.build().name(MetricNames.INSTALLATIONS).help("Number of Installations").register(registry.getPrometheusRegistry())},
+                {MetricNames.NEXUS + MetricNames.INSTALLATIONS, Gauge.build().name(MetricNames.NEXUS + MetricNames.INSTALLATIONS).help("Number of Installations").register(registry.getPrometheusRegistry())},
 
         }).collect(Collectors.toMap(data -> (String)data[0], data -> (Gauge) data[1]));
 
@@ -172,6 +175,9 @@ public class MetricsManager {
         long files = Files.list(Paths.get(this.environment.getProperty("userguide.path"))).count();
         calculateValue(MetricNames.LANGUAGES, (int) files, null);
 
+        calculateValue(MetricNames.INSTALLATIONS, 1, null);
+        calculateValue(MetricNames.NEXUS + MetricNames.INSTALLATIONS, 1, null);
+
         logger.info("Metrics calculation Completed");
     }
 
diff --git a/dmp-backend/web/src/main/java/eu/eudat/types/MetricNames.java b/dmp-backend/web/src/main/java/eu/eudat/types/MetricNames.java
index 20d8c0c52..a1d7dab89 100644
--- a/dmp-backend/web/src/main/java/eu/eudat/types/MetricNames.java
+++ b/dmp-backend/web/src/main/java/eu/eudat/types/MetricNames.java
@@ -2,6 +2,7 @@ package eu.eudat.types;
 
 public class MetricNames {
     public static final String DATASET_TEMPLATE = "argos_dataset_templates";
+    public static final String INSTALLATIONS = "installations";
     public static final String USERS = "argos_users";
     public static final String DMP = "argos_managed_dmps";
     public static final String DATASET = "argos_managed_dataset_descriptions";