diff --git a/charts/fronius-exporter/Chart.yaml b/charts/fronius-exporter/Chart.yaml
index eef6a77..b3ddebc 100644
--- a/charts/fronius-exporter/Chart.yaml
+++ b/charts/fronius-exporter/Chart.yaml
@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.2.0
+version: 0.3.0
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
diff --git a/charts/fronius-exporter/README.md b/charts/fronius-exporter/README.md
index d747a3a..0a9956a 100644
--- a/charts/fronius-exporter/README.md
+++ b/charts/fronius-exporter/README.md
@@ -1,6 +1,6 @@
 # fronius-exporter
 
-![Version: 0.2.0](https://img.shields.io/badge/Version-0.2.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
+![Version: 0.3.0](https://img.shields.io/badge/Version-0.3.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
 
 Prometheus Exporter for Fronius Symo Photovoltaics
 
@@ -23,6 +23,7 @@ helm install fronius-exporter ccremer/fronius-exporter
 |-----|------|---------|-------------|
 | affinity | object | `{}` |  |
 | exporter.additionalArgs | list | `[]` | Provide additional CLI flags via string array |
+| exporter.siteName | string | `""` | Site name of Fronius SYMO that gets added as a static label to all metrics. **Recommended** |
 | exporter.symoUrl | string | `"http://symo.ip.or.hostname/solar_api/v1/GetPowerFlowRealtimeData.fcgi"` | Target URL of Fronius SYMO device. **Required** |
 | exporter.timeoutSeconds | int | `5` | Time after which collecting may time out. Should not be higher than the Prometheus scrape interval. |
 | fullnameOverride | string | `""` |  |
@@ -30,7 +31,7 @@ helm install fronius-exporter ccremer/fronius-exporter
 | image.pullPolicy | string | `"IfNotPresent"` |  |
 | image.registry | string | `"quay.io"` | Container image registry |
 | image.repository | string | `"ccremer/fronius-exporter"` | Location of the container image |
-| image.tag | string | `"v0.4.0"` | Container image tag |
+| image.tag | string | `"v0.5.0"` | Container image tag |
 | imagePullSecrets | list | `[]` | List of image pull secrets if you use a privately hosted image |
 | ingress.annotations | object | `{}` | Additional annotations for the Ingress object |
 | ingress.enabled | bool | `false` | Useful if your Prometheus is outside of the cluster |
diff --git a/charts/fronius-exporter/templates/deployment.yaml b/charts/fronius-exporter/templates/deployment.yaml
index f5f763e..cd07f51 100644
--- a/charts/fronius-exporter/templates/deployment.yaml
+++ b/charts/fronius-exporter/templates/deployment.yaml
@@ -33,6 +33,7 @@ spec:
           imagePullPolicy: {{ .Values.image.pullPolicy }}
           args:
             - --symo.url={{ .Values.exporter.symoUrl }}
+            - --symo.site={{ .Values.exporter.siteName | quote }}
             - --symo.timeout={{ .Values.exporter.timeoutSeconds }}
             {{- range .Values.exporter.additionalArgs }}
             - {{ . }}
diff --git a/charts/fronius-exporter/values.yaml b/charts/fronius-exporter/values.yaml
index 7fe8eab..3ebb264 100644
--- a/charts/fronius-exporter/values.yaml
+++ b/charts/fronius-exporter/values.yaml
@@ -11,7 +11,7 @@ image:
   # -- Location of the container image
   repository: ccremer/fronius-exporter
   # -- Container image tag
-  tag: "v0.4.0"
+  tag: "v0.5.0"
   pullPolicy: IfNotPresent
 
 # -- List of image pull secrets if you use a privately hosted image
@@ -22,6 +22,8 @@ fullnameOverride: ""
 exporter:
   # -- Target URL of Fronius SYMO device. **Required**
   symoUrl: "http://symo.ip.or.hostname/solar_api/v1/GetPowerFlowRealtimeData.fcgi"
+  # -- Site name of Fronius SYMO that gets added as a static label to all metrics. **Recommended**
+  siteName: ""
   # -- Provide additional CLI flags via string array
   additionalArgs: []
   # -- Time after which collecting may time out. Should not be higher than