diff --git a/templates/definition/charger/stiebel-wpm.yaml b/templates/definition/charger/stiebel-wpm.yaml
index 872c5251e..815a93960 100644
--- a/templates/definition/charger/stiebel-wpm.yaml
+++ b/templates/definition/charger/stiebel-wpm.yaml
@@ -14,6 +14,14 @@ params:
     choice: ["warmwater", "buffer"]
 render: |
   type: sgready
+  power:
+    source: modbus
+    {{- include "modbus" . | indent 2 }}
+    register:
+      address: 3679
+      type: input
+      encoding: int16
+    scale: 0.1
   getmode:
     source: map
     values: