energy sensors

template:
  - sensor:
      - name: "Net_use"
        state: >-
          {% set energy_use = {
              "net_use": 0
          } %}
          {% if states('sensor.active_power')|float > states('sensor.shelly_em_channel_1_power')|float %}
              {% set energy_use = {
                  "net_use": unavailable
              } %}
          {% else %}
          {% set energy_use = {
              "net_use": states('sensor.shelly_em_channel_1_power')|float - states('sensor.active_power')|float
          } %}
          {% endif %}
          {{ energy_use.net_use }}
        device_class: "power"
        state_class: "measurement"
        unit_of_measurement: "W"

  - sensor:
      - name: "Daily Grid Use"
        state: >
          {% set solar = states('sensor.active_power') | int(default=0) %}
          {% set net = states('sensor.net_use') | float(default=0) %}
          {% if (net - solar) > 0 %}
              {{ net - solar }}
          {%- else -%}
              {{ nothing }}
          {%- endif %}
        device_class: "energy"
        unit_of_measurement: "kWh"
        state_class: "total_increasing"

  - sensor:
      - name: "Daily Grid Return"
        state: >
          {% set solar = states('sensor.active_power') | int(default=0) %}
          {% set net = states('sensor.net_use') | float(default=0) %}
          {% if (solar - net) > 0 %}
              {{ solar - net }}
          {%- else -%}
              {{ nothing }}
          {%- endif %}
        device_class: "energy"
        unit_of_measurement: "kWh"
        state_class: "total_increasing"