- sensor:
    - name: Retur til elnet
      state: |
        {% set forbrug = states.sensor.elmaler_power.state | default(0) | float(0) %}
        {% set produceret = states.sensor.steca_inverter_10_0_1_4_ac_power.state | default(0)  | float(0) %}

        {% set salg = (produceret - forbrug) %}

        {% if salg > 0 %}
          {{ salg }}
        {% else %}
          {{ 0 }}
        {% endif %}
      unit_of_measurement: "W"
      device_class: power
      state_class: measurement