ha-sessy

Home Assistant integration for Sessy - Smart Energy Storage System.

Supported devices:

• Sessy Dongle (Battery)
• Sessy P1 Meter
• Sessy CT Meter

Currently supported:

• Autodiscovery
• Battery status sensors
• Battery charge/discharge sensors
• Set power strategy (select entity)
• Set power setpoint (number entity)
• Wifi RSSI sensor
• Meter sensors (voltage/current/power)
• Sessy NOM Coordinator controls (X on the meter)
• P1 energy tariff counters (P1 Dongle only)
• Firmware updates
• Change configuration (min/max power, start/stop time)
• Dynamic mode schedule per hour
• EPEX Energy prices

TODO:

• Add Power Status sensors
• Add Power Strategy select
• Add Power Setpoint number entity
• Add update entities
• Add Device Registry information
• Add logo to home-assistant/brands
• Add HACS configuration
• Add to HACS Default repository
• Add Energy sensors

Installation

HACS

Install this repository via HACS (recommended):

Manual

Copy the custom_components/sessy folder to the custom_components folder in your configuration directory.

Configuration

Add Sessy via the Integrations menu:

• Go to Integrations > Add Integrations > Sessy

  

• Discovered Sessy devices will be shown in the list. Alternatively, enter the hostname (sessy-xxxx.local) manually.

• Enter the local username and password found on the sticker on the device

• The integration will discover the device type and add it to Home Assistant

• Manually add Riemann sum helpers to start collecting Energy statistics

• See ha-sessy-examples for blueprints and configuration examples using this integration