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Parsed from the manufacturer datasheet, install manual, and warranty document. Confirm against the linked PDFs before relying on a value for a quote or installation.
Rated Power
120 kW
Max Efficiency
98.6%
Phases
Three Phase
Max Input Voltage
—
Min Input Voltage
—
Max Input Current
—
Output Voltage
—
Max Output Current
—
Country of Origin
Unknown
Series
HT
European Efficiency
98.3%
Warranty
5 years
Dimensions
0 x 0 x 0 mm
IP Rating
IP66
Operating Temp
-25°C to 60°C
Cooling
Natural
Battery Compatible
No
Backup Capable
No
ESM Compliant
No
Black Start
No
Grid Forming
No
Export Limiting
No
Remote Monitoring
No
CEC Approved
25 Aug 2025
Approval Expiry
10 Sept 2026
Status
Active
Eligible for Rebates
Yes
Years in AU Market
12 years
Australian Office
Yes
CEC-Approved Batteries
30
CEC-Approved Panels
0
Category
Mid-Tier
$24,000–$48,000
Perth installed price estimate · medium confidence
Prices vary by installer, configuration, and site complexity. Get exact quotes via our installer matching.
From May 1, 2026, all new battery installations in WA require CSIP-AUS compliant inverters. Verify ESM status with your installer.
Perth's high ambient temperatures (regularly 35°C+) can reduce inverter efficiency and trigger thermal throttling. For installations in direct sun or non-ventilated garages, consider inverters with active cooling and wide operating temperature ranges. All grid-connected installations require Western Power approval. Systems above 5kVA require ESM compliance under WA regulations.
Compare this inverter with batteries for a complete system analysis
Australian office
Has local presence
Website
au.goodwe.comThe GoodWe Technologies Co Ltd GW120K-HT (AS4777-2 2020) against the closest-power inverters from other brands.
| Specification | GoodWe Technologies Co Ltd GW120K-HT (AS4777-2 2020)GoodWe Technologies Co Ltd | Shenzhen Atess Power Technology Co Ltd HPS120 (AS4777-2 2020)Shenzhen Atess Power Technology Co Ltd | |
|---|---|---|---|
| Rated power? | 120 kW | 120 kW | 120 kW |
| Max efficiency? | 98.6%best value | 0.0% | 0.0% |
| MPPT trackers? | Not verified | Not verified | Not verified |
| Phases | Three-phase | Single-phase | Single-phase |
| Type | Solar | Solar | Solar |
| Battery ready | No | No | No |
| Warranty | 5 years | Not verified | Not verified |
Specs from the CEC register and datasheet enrichment. Indicative — confirm exact figures with your installer.
The warranty covers defects in material and workmanship under normal use. It does not cover damage caused by unauthorized modifications. For claims, contact the service center with proof of purchase.
AI-summarised from the manufacturer warranty document. Always confirm against the linked PDF before relying on it for a claim.
From the install manual
Showing 17 of 17. The official install manual is the authoritative source — always confirm before acting.
DC Bus HighcriticalCall your installerDC Bus High
DCI HighcriticalCall your installerDC Injection High
EEPROM FailcriticalCall your installerEEPROM Read/Write Failure
Fac FailcriticalCall your installerFrequency Adjustment Failure
GFCI FailurecriticalCall your installerGFCI Device Failure
Gnd I FailcriticalCall your installerGround I Failure
Isolation FailcriticalCall your installerIsolation Failure
PV Over VoltagecriticalCall your installerPV Over Voltage
PV** over CurrcriticalCall your installerPV hardware current over range
Ref-V Chek FailcriticalCall your installerReference Voltage Check Failure
Relay FailcriticalCall your installerRelay Check Failure
SPI Comm FailcriticalCall your installerInternal Communication Failure
Utility LosscriticalCall your installerUtility Loss
Vac FailcriticalCall your installerVoltage AC Failure
ExFan FailwarningExternal Fan Failure
InFan FailwarningInternal Fan Failure
Over TemperaturewarningOver Temperature
Part of the GoodWe Technologies Co Ltd HT series
Compare every GoodWe Technologies Co Ltd HT variant side by side →
GEH10-1U-10 (AS4777-2 2020)
10 kW · 1φ
GEH15-3U-10 (AS4777-2 2020)
15 kW · 1φ
GEH20-3U-10 (AS4777-2 2020)
20 kW · 1φ
GEH25-3U-10 (AS4777-2 2020)
25 kW · 1φ
GEH29.9-3U-10 (AS4777-2 2020)
29.9 kW · 1φ
GEH5.0-1U-10 (AS4777-2 2020)
5 kW · 1φ
Other CEC-approved products from GoodWe Technologies Co Ltd available in Australia.
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About this data
All inverter specifications are sourced from the CEC Approved Products Register. Specifications are provided as published by the CEC and may differ from manufacturer datasheets. Verify current specifications with the manufacturer or your installer before purchasing. Not all listed models may be currently available in Western Australia.