0xAHA

0xAHA/Growatt_ModbusTCP

Growatt Solar Inverter Modbus TCP integration for Home Assistant

56 stars 19 forks 56 watchers Python MIT License

growatt inverter modbus rs485 solar

5 Open Issues Need Help Last updated: Aug 17, 2026

Open Issues Need Help

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Question: does batt_first_charge_power_rate (3047) apply outside an active Battery First TOU slot? (MOD 6000-15000TL3-XH) 28 days ago

documentation help wanted stale

0xAHA/Growatt_ModbusTCP

56

Growatt Solar Inverter Modbus TCP integration for Home Assistant

Python

#growatt#inverter#modbus#rs485#solar

Insulation Resistance / DCI / GFCI read from the wrong registers - 3087-3091 returns serial-number text, 200-205 looks live about 2 months ago

bug help wanted User Feedback Required

0xAHA/Growatt_ModbusTCP

56

Growatt Solar Inverter Modbus TCP integration for Home Assistant

Python

#growatt#inverter#modbus#rs485#solar

Detect a wrong Modbus unit ID: repair notice when every read fails from setup, and a unit-ID sweep in the scanner about 2 months ago

enhancement help wanted

0xAHA/Growatt_ModbusTCP

56

Growatt Solar Inverter Modbus TCP integration for Home Assistant

Python

#growatt#inverter#modbus#rs485#solar

What should the solar energy sensors mean? AC generation or DC harvest — and it differs by family 2 months ago

bug help wanted

0xAHA/Growatt_ModbusTCP

56

Growatt Solar Inverter Modbus TCP integration for Home Assistant

Python

#growatt#inverter#modbus#rs485#solar

Question: memory type and write endurance of the TOU slot registers (3038-3045, 3050-3059) 2 months ago

documentation help wanted

0xAHA/Growatt_ModbusTCP

56

Growatt Solar Inverter Modbus TCP integration for Home Assistant

Python

#growatt#inverter#modbus#rs485#solar