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GoodWe and Sigenergy are two popular Chinese-made modular battery systems in Perth, but they target different buyers. GoodWe's Lynx Home range is a value-focused battery designed to pair with GoodWe's widely-installed hybrid inverters; Sigenergy's SigenStor is a higher-power, flexible inverter-plus-battery tower. Here's a fair, spec-led comparison for WA homes. Sigenergy's SigenStor line spans two CEC-approved hardware generations — modules first approved Jan 2024 and a newer generation from Jan 2026 — both remain CEC-active and individually resolvable; see the generation breakdown for what changed.
Quick answer
The decision mainly turns on whether you prioritise a lower matched-system price and a longer track record, or higher power output with whole-home backup flexibility. Pick GoodWe if you want a value-focused, matched battery-and-inverter system from a brand with a longer global track record. Pick Sigenergy if you need high power output, three-phase or whole-home backup, and want an all-in-one stack. For either brand, WA Battery Scheme eligibility comes from the system's Synergy SSL listing, with up to $1,300 off an eligible battery.
Sources: Synergy SSL register · WA Battery Scheme · SBP buyer-fit assessment
| Topic | GoodWe | Sigenergy |
|---|---|---|
| Tends to suit | Value-focused buyers who want a modular, matched battery-and-inverter system from an established global brand. | Buyers who prioritise power output, three-phase or whole-home backup, and an all-in-one stack, and are comfortable with a fast-growing newer brand. |
| WA rebate | Eligible for the WA Residential Battery Scheme rebate (up to $1,300) when installed with a Synergy SSL-approved GoodWe hybrid inverter — confirm the exact system with your installer. | Check the specific SigenStor configuration against Synergy's Supported Solutions List for WA-rebate eligibility — your installer can confirm. |
| How it's built | Modular high-voltage stackable storage (the Lynx Home F / F Plus range) that pairs with a GoodWe ET/EH hybrid inverter, so battery and inverter are designed to work together. | Modular DC-coupled 'tower' (SigenStor) that integrates the hybrid inverter and stackable battery modules, with strong three-phase and backup options at higher configurations. |
| Origin | Chinese-made — a large global inverter-and-storage manufacturer with strong, growing uptake in the Perth market. | Chinese-made — a newer but rapidly-growing brand that has gained strong traction in the Perth market. |
| Australian support | Australian distribution and support presence. | Has an Australian office and is regarded as well-supported locally. |
Specifications, pricing and eligibility change over time — always confirm the current details with your installer.
A value-focused option, usually installed as a matched battery-plus-hybrid-inverter system at a competitive price.
A rising challenger known for high-power, flexible SigenStor systems that combine inverter, battery and (optionally) EV charging in one stack.
Strengths
GoodWe
Sigenergy
Things to weigh
GoodWe
Sigenergy
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Both systems sit in the desk's index of solar batteries for Perth — every CEC-approved model on the same comparable dataset.
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.
The two all-in-one towers on Synergy's list, compared on backup, warranty terms and EV charging.
See annual savings and payback for your system, on current Synergy rates and WA rebates.
On sale here, but not on the approved-product register, so it earns no rebate.