Tesla Powerwall Energy Sensor Template for HomeAssistant

sensors.yaml

# This template reports three values to Home Assistant through: grid_import, grid_export and solar_production sensors
- platform: template
  sensors:
    grid_import:
      value_template: "{{state_attr('sensor.powerwall_site_now', 'energy_exported_(in_kW)')}}"
      unit_of_measurement: kWh
      device_class: energy
      attribute_templates:
        last_reset: "1970-01-01T00:00:00+00:00"
        state_class: "measurement"
    grid_export:
      value_template: "{{state_attr('sensor.powerwall_load_now', 'energy_imported_(in_kW)')}}"
      unit_of_measurement: kWh
      device_class: energy
      attribute_templates:
        last_reset: "1970-01-01T00:00:00+00:00"
        state_class: "measurement"
    solar_production:
      value_template: "{{state_attr('sensor.powerwall_solar_now', 'energy_exported_(in_kW)')}}"
      unit_of_measurement: kWh
      device_class: energy
      attribute_templates:
        last_reset: "1970-01-01T00:00:00+00:00"
        state_class: "measurement"