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Solar inverter · GoodWe · DNS G4 series · CEC approved April 2026
CEC listing: GW4.2K-DNS-G40 (AS4777-2 2020)
A 4.2 kW single-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
Phases
Runs on a standard single-phase supply
MPPT trackers
2 roof faces can be tuned independently
Type
Runs solar only
Warranty
How long GoodWe Technologies Co Ltd stands behind it
Every figure on file for the GoodWe GW4.2K-DNS-G40, by section.
| Specification | Value |
|---|---|
| DC input & MPPT | |
| MPPT trackers | 2 |
| Installation requirements | |
| Top clearance | 0 mm |
| Side clearance | 0 mm |
| AC breaker | 20 A |
| DNSP pre-approval | No |
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
27 Apr 2026
Approval expiry
27 Apr 2029
Status
Active
Eligible for rebates
Yes
Years in AU Market
12 years
Australian Office
Yes
CEC-Approved Batteries
30
CEC-Approved Panels
168
Category
Mid-Tier
Typical installed, inverter only
$840–$1,680
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.
Australian office
Has local presence
Website
www.goodwe.com.auThe GoodWe GW4.2K-DNS-G40 against the closest-power inverters from other brands.
| Specification | GoodWe GW4.2K-DNS-G40GoodWe | Beijing Hua Xin Liu He Investment Z20I4K2D-2Beijing Hua Xin Liu He Investment | Beijing Hua Xin Liu He Investment Z20I4K2DBeijing Hua Xin Liu He Investment |
|---|---|---|---|
| Rated power? | 4.2 kW | 4.2 kW | 4.2 kW |
| Max efficiency? | 0.0% | 0.0% | 0.0% |
| MPPT trackers? | 2 | Not verified | Not verified |
| Phases | Single-phase | Single-phase | Single-phase |
| Type | Solar | Solar | Solar |
| Battery ready | No | No | No |
| Warranty | 10 years | Not verified | Not verified |
Specs from the CEC register and datasheet enrichment. Indicative — confirm exact figures with your installer.
The warranty covers defects for 10 years, allowing two transfers. Warranty is void if improperly installed. Claims can be made via the support contact.
AI-summarised from the manufacturer warranty document. Always confirm against the linked PDF before relying on it for a claim.
Part of the GoodWe DNS G4 series
Compare every GoodWe DNS G4 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.
GW100KWH-D-10
100.8 kWh · LFP
GW102.4-BAT-AC-G10
100 kWh · LFP
GW112.6-BAT-AC-G10
110 kWh · LFP
GW5.1-BAT-D-G20
5 kWh · LFP
GW5.1-BAT-D-G21
5 kWh · LFP
GW6.0-BAT-D-G20
5.9 kWh · LFP
BMM-T3/108A(505W) (IEC 61215-2021)
505W
BMM-T3/108A(510W) (IEC 61215-2021)
510W
BMM-T3/108A(515W) (IEC 61215-2021)
515W
BMM-T3/120A(565W) (IEC 61215-2021)
565W
BMM-T3/120A(570W) (IEC 61215-2021)
570W
BMM-T3/120A(575W) (IEC 61215-2021)
575W
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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.