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Solar inverter · Deye · Three Phase String Inverter series · CEC approved March 2026
CEC listing: SUN-9K-G05-AU (AS4777-2 2020)
A 9 kW three-phase solar inverter.
Read from the figures on this page. No review written yet.
The numbers that matter for a home. The full datasheet is below.
Rated power
How much solar it can turn into usable power at once
Max efficiency
How much of the solar you make reaches the house
Phases
Needs a three-phase supply — check your switchboard
Type
Runs solar only
Warranty
How long NingBo Deye Inverter Technology Co Ltd stands behind it
Every figure on file for the Deye SUN-9K-G05-AU, by section.
| Specification | Value |
|---|---|
| Efficiency | |
| Max efficiency | 98.3% |
| Physical | |
| IP rating | IP65 |
| Installation requirements | |
| Cable gauge | 4 mm² |
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.
Battery compatible
No
Backup capable
No
CEC approved
25 Mar 2026
Approval expiry
19 July 2027
Status
Active
Eligible for rebates
Yes
Years in AU Market
6 years
Australian Office
Not verified
CEC-Approved Batteries
53
CEC-Approved Panels
0
Category
Mid-Tier
Typical installed, inverter only
$1,800–$3,600
Prices vary by installer, configuration and site complexity. Get exact quotes from installers you choose.
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Western Power approval is required for every grid-connected install. Under Emergency Solar Management, a new system must be remotely manageable, or take an export limit instead — ask your installer to confirm this inverter’s ESM status.
Estimate for a full-size array on this inverter
At 5 peak sun hours a day (BOM) with a 15% system derate.
Website
au.deyeinverter.comThe Deye SUN-9K-G05-AU against the closest-power inverters from other brands.
| Specification | Energizer Force 9.0HS+Energizer | Energizer Force 9.0SEnergizer | |
|---|---|---|---|
| Rated power? | 9 kW | 9 kW | 9 kW |
| Max efficiency? | 98.3%best value | 0.0% | 0.0% |
| MPPT trackers? | Not verified | Not verified | Not verified |
| Phases | Three-phase | Single-phase | Single-phase |
| Type | Solar | Hybrid | Solar |
| Battery ready | No | Yes | No |
| Warranty | 10 years | Not verified | Not verified |
Specs from the CEC register and datasheet enrichment. Indicative — confirm exact figures with your installer.
This warranty covers defects in materials and workmanship for a period of 10 years. The warranty does not cover damage caused by non-accredited installations or modifications, and to make a claim, contact customer service with proof of purchase.
AI-summarised from the manufacturer warranty document. Always confirm against the linked PDF before relying on it for a claim.
Part of the Deye Three Phase String Inverter series
Compare every Deye Three Phase String Inverter variant side by side →
AI-W5.1-10P1-AU-B (AS4777-2 2020)
9.999 kW · 1φ
AI-W5.1-10P3-AU-B (AS4777-2 2020)
10 kW · 3φ
AI-W5.1-12P3-AU-B (AS4777-2 2020)
12 kW · 3φ
AI-W5.1-3.6P1-AU-B (AS4777-2 2020)
3.6 kW · 1φ
AI-W5.1-5P1-AU-B (AS4777-2 2020)
5 kW · 1φ
AI-W5.1-5P3-AU-B (AS4777-2 2020)
5 kW · 3φ
Other CEC-approved products from NingBo Deye Inverter Technology 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.