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GoodWe and SolaX are two Chinese-made hybrid inverters with Australian distribution that sit in the same value bracket on Perth quotes. On the headline numbers they are close: similar peak efficiency, two MPPT channels on the common single-phase sizes, and a standard warranty that commonly extends to 10 years on registration. Here is a fair, spec-led comparison, and the practical points that separate them.
Quick answer
Installer familiarity decides this one more often than the spec sheet does. Pick GoodWe if you want the more widely-installed of the two in Perth and a broad local service base. Pick SolaX if the battery you want is on SolaX's approved pairing list and your installer has real SolaX experience. Inverters aren't separately rebated in WA, but they decide battery-rebate eligibility: the hybrid inverter has to be on Synergy's supported inverter list under a listing that covers the WA Residential Battery Scheme (a solar-only listing is not enough), with a CEC-listed battery.
Sources: Synergy SSL register · SBP buyer-fit assessment
| Topic | GoodWe | SolaX |
|---|---|---|
| Tends to suit | Value-focused buyers who want a flexible hybrid inverter compatible with several battery brands. | Buyers who want a hybrid with a choice of battery brands and have an installer with real SolaX experience. |
| WA rebate | Inverters aren't separately rebated on their own, but they are not outside the test either. WA battery-rebate eligibility is system-level: the inverter (or all-in-one unit) must be listed on Synergy's Supported Solutions List as eligible for the WA Residential Battery Scheme (a solar-only or storage-only listing is not enough), the battery must be on the CEC approved list, and the household must enrol in a qualifying VPP product. A solar-only or unlisted inverter makes the whole system ineligible, so confirm both model codes with your installer. | Inverters aren't separately rebated on their own, but they are not outside the test either. WA battery-rebate eligibility is system-level: the inverter (or all-in-one unit) must be listed on Synergy's Supported Solutions List as eligible for the WA Residential Battery Scheme (a solar-only or storage-only listing is not enough), the battery must be on the CEC approved list, and the household must enrol in a qualifying VPP product. A solar-only or unlisted inverter makes the whole system ineligible, so confirm both model codes with your installer. |
| How it's built | String and hybrid inverters (the ET/EH hybrid ranges) that pair with a range of compatible high-voltage batteries. | Single-phase (X1-Hybrid G4) and three-phase (X3-Hybrid G4) hybrids that pair with SolaX's own LFP battery or a range of third-party LFP packs. |
| Origin | Chinese-made — a large global inverter manufacturer with strong and growing uptake in the Perth market. | Chinese-made. A hybrid-inverter and storage manufacturer with Australian distribution and growing Perth availability. |
| Australian support | Australian distribution and support presence. | Australian distribution and support presence. |
Specifications, pricing and eligibility change over time — always confirm the current details with your installer.
A popular value hybrid-inverter choice, often shortlisted for competitive pricing and broad battery compatibility.
A mid-tier hybrid option quoted alongside the other value hybrids, built around its own Triple Power storage.
Strengths
GoodWe
SolaX
Things to weigh
GoodWe
SolaX
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On sale here, but not on the approved-product register, so it earns no rebate.