ET Series Registers - tkubec/GoodWe GitHub Wiki

This is an incomplete list of so far known registers:

Address	Type	Name	Unit	Note
891C	2 bytes	ClockYM		RTC: Year, Month
891D	2 bytes	ClockDH		RTC: Day, Hour
891E	2 bytes	ClockMS		RTC: Minute, Second
891F	Unsigned 16 bit	PV1Voltage	100 mV	Photovoltaic string #1
8920	Unsigned 16 bit	PV1Current	100 mA
8921	Unsigned 32 bit	PV1Power	W
8923	Unsigned 16 bit	PV2Voltage	100 mV	Photovoltaic string #2
8924	Unsigned 16 bit	PV2Current	100 mA
8925	Unsigned 16 bit	PV2Power	W
8931	Unsigned 16 bit	OnGridL1Voltage	100 mV
8932	Signed 16 bit	OnGridL1Current	100 mA
8933	Unsigned 16 bit	OnGridL1Frequency	10 mHz
8934	Unsigned 32 bit	OnGridL1Power	W
8936	Unsigned 16 bit	OnGridL2Voltage	100 mV
8937	Signed 16 bit	OnGridL2Current	100 mA
8938	Unsigned 16 bit	OnGridL2Frequency	10 mHz
8939	Unsigned 32 bit	OnGridL2Power	W
893B	Unsigned 16 bit	OnGridL3Voltage	100 mV
893C	Ssigned 16 bit	OnGridL3Current	100 mA
893D	Unsigned 16 bit	OnGridL3Frequency	10 mHz
893E	Unsigned 32 bit	OnGridL3Power	W
8941	Unsigned 32 bit	TotalInverterPower	W
8944	Signed 16 bit	ActivePower	W	Export / Import to Grid
8949	Unsigned 16 bit	BackupL1Voltage	100 mV
894A	Unsigned 16 bit	BackupL1Current	100 mA
894B	Unsigned 16 bit	BackupL1Frequency	10 mHz
894D	Unsigned 32 bit	BackupL1Power	W
894F	Unsigned 16 bit	BackupL2Voltage	100 mV
8950	Unsigned 16 bit	BackupL2Current	100 mA
8951	Unsigned 16 bit	BackupL2Frequency	10 mHz
8953	Unsigned 32 bit	BackupL2Power	W
8955	Unsigned 16 bit	BackupL3Voltage	100 mV
8956	Unsigned 16 bit	BackupL3Current	100 mA
8957	Unsigned 16 bit	BackupL3Frequency	10 mHz
8959	Unsigned 32 bit	BackupL3Power	W
895B	Unsigned 32 bit	LoadL1	W
895D	Unsigned 32 bit	LoadL2	W
895F	Unsigned 32 bit	LoadL3	W
8961	Unsigned 32 bit	BackupPower	W
8963	Unsigned 32 bit	Load	W
8966	Unsigned 16 bit	Temperature2	0.1 C
8968	Unsigned 16 bit	Temperature1	0.1 C
896C	Unsigned 16 bit	BatteryVoltage	100 mV
896D	Signed 16 bit	BatteryCurrent	100 mW	+= charge, -=discharge
8970	Unsigned 16 bit	BatteryMode
8972	Unsigned 16 bit	CountryCode
8973	Unsigned 16 bit	WorkMode
8977	Unsigned 32 bit	TotalPVGeneration	100 Wh
8979	Unsigned 32 bit	TodayPVGeneration	100 Wh
897C	Unsigned 16 bit	TotalSold	100 Wh
897D	Unsigned 32 bit	TotalHours	h
8980	Unsigned 16 bit	TodaySold	100 Wh
9088	Unsigned 16 bit	BatteryBMS
9089	Unsigned 16 bit	BatteryIndex
908B	Unsigned 16 bit	BatteryTemperature	0.1 C
908C	Unsigned 16 bit	BMSChargeCurrentLimit	100 mA
908D	Unsigned 16 bit	BMSDischargeCurrentLimit	100 mA
908E	Unsigned 16 bit	BatteryStatus
908F	Unsigned 16 bit	BatterySOC	%	Charge level
9090	Unsigned 16 bit	BatterySOH	%	Health
9092	Unsigned 16 bit	BatteryWarning

This list is based on https://github.com/mletenay/home-assistant-goodwe-inverter and my own research.