GoodWe vs SigEnergy Solar & Battery — Australia 2026
A side-by-side comparison of GoodWe and SigEnergy covering price range, specs, warranty, and who each system suits best. All data sourced from the Jousto product catalogue.
Brand overview
GoodWe
Widest battery range on the Australian market
GoodWe has built a strong following in Australia by combining competitive pricing with an impressive range of battery sizes — from 9.6kWh right up to 44.8kWh in a single system. Their ET and EH series inverters support both single and three-phase connections, and every bundle includes backup capability. GoodWe is particularly popular with households managing high daytime loads who want maximum self-consumption without a premium price tag.
Strengths
- Largest battery range of any brand on the Jousto platform (9.6 – 44.8 kWh)
- Very competitive pricing — entry bundles from ~$8,000
- Backup-capable on all residential hybrid systems
- Strong single and three-phase options
- 10-year inverter and battery warranty
- Good app and monitoring ecosystem
SigEnergy
Modern architecture, three-phase backup at competitive prices
SigEnergy is a newer entrant in the Australian market making a strong impression with modern system architecture, three-phase support from 5kW, and full blackout protection across their entire range. With 20 products covering 5–10kW inverters and 10–30kWh battery stacks, SigEnergy hits a sweet spot between GoodWe pricing and Sungrow capability. All Jousto SigEnergy bundles are Jousto EMS-compatible.
Strengths
- Three-phase support from 5kW — rare at this price point
- Full backup protection on all bundles
- Competitive pricing vs Sungrow at similar specs
- Jousto EMS compatible for smart energy management
- 10-year inverter and battery warranty
- Modern system architecture with good scalability
Things to consider
- Brand recognition lower than Sungrow or Fronius in some regions
- Inverter size range narrower (10–15kW only)
- Fewer AC coupling options vs Sungrow
Best for
Value-conscious buyers who want maximum battery storage capacity for the price, especially households with high afternoon/evening loads.
Things to consider
- Newer brand with a shorter Australian track record
- Smaller installer network than established brands
- App ecosystem still maturing
Best for
Three-phase homes and small businesses wanting backup capability and smart EMS integration without paying Sungrow or Fronius premiums.
Specification comparison
GoodWe in Australia
GoodWe has a dedicated Australian distributor network and local tech support. SAA-approved across all inverter models.
SigEnergy in Australia
SigEnergy is distributed through selected Australian installers with growing CEC-registered coverage.
Frequently asked questions
What is the price difference between GoodWe and SigEnergy?
GoodWe bundles on Jousto range from $8,027 to $23,500 inc GST. SigEnergy ranges from $12,229 to $31,579 inc GST. GoodWe has the lower entry price, though final pricing depends on system size and installation complexity.
Which brand offers more battery storage options?
GoodWe offers 14 battery capacity options (9.6–44.8kWh), giving more flexibility to match storage to your actual daily usage. SigEnergy offers 5 options.
Do both brands support backup power during blackouts?
GoodWe includes full blackout protection on all Jousto bundles. SigEnergy also supports backup on all bundles.
Which is better for a three-phase property?
Both GoodWe and SigEnergy support three-phase connections.
What warranties do these systems carry?
Both GoodWe and SigEnergy carry 10-year inverter and 10-year battery warranties on all Jousto bundles. Ensure your installer registers the product at installation to activate the warranty.
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