Energy measurement with mqtt sensor

[Edwin_D]

Maybe this (or the following posts) is the answer, it uses a last reset attribute:

MQTT Sensor : how to define last_reset_value_template

Yes, no more customization ! My ZMAI90’s like this - platform: mqtt name: "Mains Consumed Energy" state_topic: "electricity1/tele/RESULT" value_template: >- {% set message = value_json.SerialReceived %} {% set payload = message[6:14] %} {% set payload_len = (payload | length) %} {% set result = namespace(value='') %} {% for i in range(0, payload_len + 1) | reverse -%} {%- if i is divisibleby 2 -%} {%- set result.value = resu…