Sofar Inverter Modbus TCP

A Home Assistant custom integration for Sofar Solar inverters via Modbus TCP.

Supported Devices

• Sofar HYD series (hybrid inverters)
• Sofar KTL series (string inverters)
• Sofar ME series (storage inverters)
• Other Sofar inverters with Modbus TCP support

Features

• Real-time solar production monitoring (PV power, voltage, current)
• Battery status (SoC, charge/discharge power, voltage)
• Grid import/export power monitoring
• Load consumption tracking
• Number entities for battery charge/discharge limits
• Select entities for inverter operating mode
• Button entities for inverter commands
• Configurable via the Home Assistant UI (config flow)

Installation

HACS (Recommended)

1. Open HACS in Home Assistant
2. Click the three dots menu → Custom repositories
3. Add https://github.com/LucMathlin/ha-sofar-inverter with category Integration
4. Search for "Sofar Inverter" and install
5. Restart Home Assistant

Manual

1. Copy custom_components/sofar_inverter/ to your Home Assistant config/custom_components/ directory
2. Restart Home Assistant

Configuration

1. Go to Settings → Devices & Services → Add Integration
2. Search for "Sofar Inverter"
3. Enter the Modbus TCP host, port, and slave ID of your inverter
4. Configure polling interval as needed

Requirements

• Modbus TCP connectivity to the inverter (via built-in WiFi module or RS485-to-TCP gateway)
• pymodbus>=3.11.2 (installed automatically)