- platform: template
    sensors:
      energy_to_grid:
        value_template: >-
          {% if ((states('sensor.net_energy') | float) <= 0) %}
            {{(states('sensor.energy_to_grid').state | float) = (states('sensor.net_energy').state | float)}}
          {% endif %}
        friendly_name: 'Energy to Grid'
        unit_of_measurement: 'W'