diff --git a/go.mod b/go.mod
index 22caf684f..d58f21153 100644
--- a/go.mod
+++ b/go.mod
@@ -90,7 +90,7 @@ require (
 	github.com/teslamotors/vehicle-command v0.3.4
 	github.com/traefik/yaegi v0.16.1
 	github.com/tv42/httpunix v0.0.0-20191220191345-2ba4b9c3382c
-	github.com/volkszaehler/mbmd v0.0.0-20250411152441-99388f32e2c3
+	github.com/volkszaehler/mbmd v0.0.0-20250503134953-5c7e3f60eee5
 	github.com/writeas/go-strip-markdown/v2 v2.1.1
 	gitlab.com/bboehmke/sunny v0.16.0
 	go.uber.org/mock v0.5.2
diff --git a/go.sum b/go.sum
index d81581913..172eda4d6 100644
--- a/go.sum
+++ b/go.sum
@@ -693,8 +693,8 @@ github.com/vmihailenco/msgpack/v5 v5.4.1 h1:cQriyiUvjTwOHg8QZaPihLWeRAAVoCpE00IU
 github.com/vmihailenco/msgpack/v5 v5.4.1/go.mod h1:GaZTsDaehaPpQVyxrf5mtQlH+pc21PIudVV/E3rRQok=
 github.com/vmihailenco/tagparser/v2 v2.0.0 h1:y09buUbR+b5aycVFQs/g70pqKVZNBmxwAhO7/IwNM9g=
 github.com/vmihailenco/tagparser/v2 v2.0.0/go.mod h1:Wri+At7QHww0WTrCBeu4J6bNtoV6mEfg5OIWRZA9qds=
-github.com/volkszaehler/mbmd v0.0.0-20250411152441-99388f32e2c3 h1:eQmg4LiwllMxNmqChmyKDx6p5HwMK+SYRkGTPQ9aIkY=
-github.com/volkszaehler/mbmd v0.0.0-20250411152441-99388f32e2c3/go.mod h1:egeAZti78O7U6QcdDPze5NHiiLdPSviw6YA7rsNYSMQ=
+github.com/volkszaehler/mbmd v0.0.0-20250503134953-5c7e3f60eee5 h1:1AwOQySiUEmrAQY2X7FJCKJtHsGiTE/T53sIB1qMQ34=
+github.com/volkszaehler/mbmd v0.0.0-20250503134953-5c7e3f60eee5/go.mod h1:egeAZti78O7U6QcdDPze5NHiiLdPSviw6YA7rsNYSMQ=
 github.com/writeas/go-strip-markdown/v2 v2.1.1 h1:hAxUM21Uhznf/FnbVGiJciqzska6iLei22Ijc3q2e28=
 github.com/writeas/go-strip-markdown/v2 v2.1.1/go.mod h1:UvvgPJgn1vvN8nWuE5e7v/+qmDu3BSVnKAB6Gl7hFzA=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
diff --git a/templates/definition/meter/cg-em24.yaml b/templates/definition/meter/cg-em24.yaml
index 47616409a..fb288dcdf 100644
--- a/templates/definition/meter/cg-em24.yaml
+++ b/templates/definition/meter/cg-em24.yaml
@@ -10,7 +10,7 @@ params:
   - name: usage
     choice: ["grid", "charge"]
   - name: modbus
-    choice: ["rs485", "tcpip"]
+    choice: ["rs485"]
 render: |
   type: mbmd
   {{- include "modbus" . }}
diff --git a/templates/definition/meter/cg-em24_e1.yaml b/templates/definition/meter/cg-em24_e1.yaml
new file mode 100644
index 000000000..c8252668e
--- /dev/null
+++ b/templates/definition/meter/cg-em24_e1.yaml
@@ -0,0 +1,35 @@
+template: cg-em24_e1
+products:
+  - brand: Carlo Gavazzi
+    description:
+      generic: EM24_E1
+  - brand: Victron
+    description:
+      generic: EM24_E1
+params:
+  - name: usage
+    choice: ["grid", "charge"]
+  - name: modbus
+    choice: ["tcpip"]
+render: |
+  type: mbmd
+  {{- include "modbus" . }}
+  model: cgem24_e1
+  power: Power
+  energy: Import
+  currents:
+    - CurrentL1
+    - CurrentL2
+    - CurrentL3
+  {{- if eq .usage "grid" }}
+  powers:
+    - PowerL1
+    - PowerL2
+    - PowerL3
+  {{- end }}
+  {{- if eq .usage "charge" }}
+  voltages:
+    - VoltageL1
+    - VoltageL2
+    - VoltageL3
+  {{- end }}