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home-assistant.io/source/_integrations/powerwall.markdown
Mark Purcell c9481500c6
Update powerwall.markdown description (#31604) 
Updated to better reflect the differences between the Powerwall Gateway device sensors and the Powerwall Battery devices and sensors.

Removed % charge description for each Powerwall battery device as this integration no longer provides that sensor (it was a calculated sensor).

Updated consistent descriptions for Power and Energy entities, including explanation of negative values.
2024-02-27 07:35:53 +01:00

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title description ha_category ha_release ha_iot_class ha_config_flow ha_codeowners ha_domain ha_dhcp ha_platforms ha_integration_type
Tesla Powerwall Instructions on how to integrate Tesla Power Walls into Home Assistant.
Binary sensor
Energy
Sensor
Switch
0.108 Local Polling true
@bdraco
@jrester
@daniel-simpson
powerwall true
binary_sensor
sensor
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integration

The powerwall integration allows you to integrate your Tesla Powerwall into Home Assistant.

There is currently support for the following device types within Home Assistant:

{% include integrations/config_flow.md %}

Binary sensor

The following binary sensors are added for each Backup Gateway:

  • Grid Services - On/ Off
  • Grid Status - On/ Off
  • Powerwall Charging - Charging/ Not Charging
  • Powerwall Connected to Tesla - Connected / Not Connected
  • Powerwall Status - On/ Off

Sensor

The following sensors are added for each Backup Gateway aggregated across all Powerwalls:

  • Powerwall Backup Reserve - Reserve energy for grid outages in %
  • Powerwall Battery Now - Power in kW (negative for charging)
  • Powerwall Charge - Percent charge remaining in %
  • Powerwall Generator Now - Power in kW (if applicable)
  • Powerwall Load Now - Power in kW
  • Powerwall Solar Now - Power in kW (if applicable)
  • Powerwall Site Now - Power in kW (negative for grid export)
  • Powerwall Backup Reserve - Percentage of battery which will be reserved for a grid outage
  • Frequency/ Average Current/ Average Voltage Now - in Hertz, Amps and Volts

The following sensors measure lifetime energy flow:

  • Powerwall Solar Export - Solar energy exported in kWh
  • Powerwall Solar Import - Solar energy imported in kWh (generally near zero)
  • Powerwall Site Export - Site energy exported in kWh
  • Powerwall Site Import - Site energy imported in kWh
  • Powerwall Battery Export - Battery energy exported in kWh
  • Powerwall Battery Import - Battery energy imported in kWh
  • Powerwall Load Export - Load energy exported in kWh (generally zero)
  • Powerwall Load Import - Load energy imported in kWh
  • Powerwall Generator Export - Generator energy exported in kWh
  • Powerwall Generator Import - Generator energy imported in kWh

A Powerwall battery device for each battery, connected to the Powerwall Gateway, with the following sensors:

  • Powerwall Battery Capacity - Energy in kWh
  • Powerwall Battery Remaining - Remaining energy in kWh
  • Frequency/ Average Current/ Average Voltage Now in Hertz, Amps and Volts
  • Powerwall Battery Power - Battery power in kW (negative for charging)
  • Powerwall Battery Export - Battery energy exported in kWh
  • Powerwall Battery Import - Battery energy imported in kWh
  • Powerwall Grid State - Battery grid compliance

Switch

The following switch is added for the Powerwall Backup Gateway:

  • Off-Grid operation - Take your Powerwall off-grid (simulate a grid outage)

Device info

  • Model Number
  • Firmware Revision