Zweirichtung Leistungssensor

sensor:
  - platform: template
    sensors:
      mynewsensor_positive:
        friendly_name: "Stromzähler Leistung (vom Netz)"
        unit_of_measurement: 'W'
        value_template: >
          {% if states('sensor.powersensor') | int > 0 %}
            0
          {% else -%}
            {{ (states('sensor.powersensor') | int) | abs }}
          {% endif %}
      mynewsensor_negative:
        friendly_name: "Stromzähler Leistung (ins Netz)"
        unit_of_measurement: 'W'
        value_template: >
          {% if states('sensor.powersensor') | int > 0 %}
            {{ states('sensor.powersensor') }}
          {% else -%}
            0
          {% endif %}