Tesla Powerwall

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:

• Binary Sensor
• Sensor

Configuration

Adding Tesla Powerwall to your Home Assistant instance can be done via the user interface, by using this My button:

Tesla Powerwall can be auto-discovered by Home Assistant. If an instance was found, it will be shown as “Discovered”, which you can select to set it up right away.

Binary Sensor

The following binary sensors are added for each Powerwall:

• 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 Powerwall:

• Powerwall Backup Reserve - Reserve energy for grid outages in %
• Powerwall Battery Now - Usage in kW
• Powerwall Charge - Percent charge remaining in %
• Powerwall Generator Now - Usage in kW (if applicable)
• Powerwall Load Now - Load usage in kW
• Powerwall Solar Now - Solar usage in kW (if applicable)
• Powerwall Site Now - Site usage in kW
• Powerwall Backup Reserve - Percentage of battery which will be reserved for a grid outage
• Frequency/ Average Current/ Average Voltage Now

The following sensors show the direction of energy:

• Powerwall Solar Export - Solar energy exported in kWh
• Powerwall Solar Import - Solar energy imported in kWh
• 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
• Powerwall Load Import - Load energy imported in kWh
• Powerwall Generator Export - Generator energy exported in kWh
• Powerwall Generator Import - Generator energy imported in kWh

Device Info

• Model Number
• Firmware Revision