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Growatt and GoodWe are the two value-tier hybrid inverters that most often appear on a Perth solar-and-battery quote. Both are large Chinese-made manufacturers with Australian distribution, both run two MPPT channels on the common residential sizes, and both commonly extend to a 10-year warranty on registration. The differences that change the decision are battery compatibility, monitoring depth and how well your installer knows the brand.
Quick answer
Battery choice is what separates these two, not headline efficiency. Pick Growatt if budget is the hard constraint, the roof is simple, and you take the extended warranty at install. Pick GoodWe if storage is part of the plan and you want a hybrid that pairs with more than one battery brand. 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 | Growatt | GoodWe |
|---|---|---|
| Tends to suit | Buyers whose hard constraint is budget, with a simple single-orientation roof, an installer who knows the brand, and the extended warranty taken up front. | Value-focused buyers who want a flexible hybrid inverter compatible with several battery brands. |
| 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 inverters (the MIN range) plus a single-phase hybrid (MIN TL-XH) that pairs on the DC side with Growatt's own ARK battery. | String and hybrid inverters (the ET/EH hybrid ranges) that pair with a range of compatible high-voltage batteries. |
| Origin | Chinese-made. One of the highest-volume residential inverter manufacturers globally, widely available in Perth. | Chinese-made — a large global inverter manufacturer with strong and growing uptake in the Perth market. |
| Australian support | Australian office and support presence. | Australian distribution and support presence. |
Specifications, pricing and eligibility change over time — always confirm the current details with your installer.
A budget-tier string and hybrid inverter brand that turns up most often on price-led Perth quotes.
A popular value hybrid-inverter choice, often shortlisted for competitive pricing and broad battery compatibility.
Strengths
Growatt
GoodWe
Things to weigh
Growatt
GoodWe
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