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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; battery-rebate eligibility is decided at system level by the battery's Synergy SSL listing.
Sources: Synergy SSL register · SBP buyer-fit assessment
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.
Origin
Chinese-made. One of the highest-volume residential inverter manufacturers globally, widely available in Perth.
Architecture
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.
Strengths
Things to weigh
Australian support
Australian office and support presence.
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, and the inverter (or all-in-one unit) and the battery must BOTH be on Synergy's Supported Solutions List, on top of enrolling in a qualifying VPP product. Confirm the full system with your installer.
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.
A popular value hybrid-inverter choice, often shortlisted for competitive pricing and broad battery compatibility.
Origin
Chinese-made — a large global inverter manufacturer with strong and growing uptake in the Perth market.
Architecture
String and hybrid inverters (the ET/EH hybrid ranges) that pair with a range of compatible high-voltage batteries.
Strengths
Things to weigh
Australian support
Australian distribution and support presence.
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, and the inverter (or all-in-one unit) and the battery must BOTH be on Synergy's Supported Solutions List, on top of enrolling in a qualifying VPP product. Confirm the full system with your installer.
Tends to suit
Value-focused buyers who want a flexible hybrid inverter compatible with several battery brands.
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Two modular systems Perth buyers often shortlist together, compared spec by spec.
Retrofit vs new install, efficiency trade-offs, and which brands use each type.
A 10 kWh usable LFP tower that stacks in 5 kWh modules, with a 10-year warranty.
Not sold here and not on the approved-product register, so it earns no rebate.