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Solar Inverter Comparison: GoodWe vs. Fronius vs. Sungrow

Harnessing solar energy effectively is pivotal in our journey towards a sustainable future. At the heart of this transformation lies a key component: the solar inverter. It’s the unsung hero that converts the direct current (DC) from your solar panels into the alternating current (AC) that powers our homes and feeds the grid. In Australia’s dynamic solar market, several brands are vying for the top spot, but three have consistently captured the spotlight: GoodWe, Fronius, and Sungrow.

Each brand brings its unique strengths and innovations to the table. In this detailed comparison, we’ll delve into what sets these inverters apart, helping you make an informed decision for your solar energy needs.

  • GoodWe: Known for its versatility and efficiency, GoodWe has made significant strides in the solar industry. Dive deeper into their world by exploring their Goodwe inverter review blog.

  • Fronius: A name synonymous with quality and reliability, Fronius inverters have a rich history and a forward-thinking approach. Learn more about their journey and advancements on the Fronius inverter Blog.

  • Sungrow: As a global leader in solar inverter technology, Sungrow combines innovation with user-friendly designs. Get a closer look at their latest developments on Sungrow with our latest blogs.

Join us as we unpack the features, performance, and reliability of these top-tier inverters in the Australian market. Whether you’re a homeowner, business, or solar enthusiast, this comparison will illuminate the path to choosing the right inverter for your solar setup.”


1. Key Features of GoodWe DNS G3 Series

  • Efficiency: Maximum efficiency of 98.3%.
  • Protection: Integrated DC switch, supports export control.
  • General Data: Dimensions of 347 x 432 x 175 mm and weight of 11.5 kg.
  • Operating Temperature: -25°C to +60°C.
  • Noise: ≤ 25 dB(A).
  • Communication: Wi-Fi, Ethernet, and RS485.
  • Certifications: AS/NZS 4777, IEC 62109, etc.

2. Key Features of Fronius Primo GEN24 Plus

  • Efficiency: Maximum efficiency of 97.6% and European efficiency of up to 97.1%.
  • Protection: Integrated DC isolation measurement, reverse polarity protection, and DC disconnector.
  • General Data: Dimensions of 530 x 474 x 165 mm and weight of 15.4 kg.
  • Operating Temperature: -40°C to +60°C.
  • Noise: < 42 dB(A).
  • Communication: Wi-Fi, 2 x Ethernet LAN, and RS485.
  • Certifications: IEC 62109, AS/NZS 4777.2, etc.

3. Key Features of Sungrow SG3.0/5.0RS Inverter

  • The Sungrow SG3.0/5.0RS is a double-MPPT string inverter designed for a 600 Vdc system. It is compatible with high-power PV modules and bifacial modules. The inverter offers a lower startup and wider MPPT voltage range. Additionally, it comes with a built-in smart PID recovery function.
  • Key Features:
    • High yield due to compatibility with high-power PV modules.
    • Integrated arc fault circuit interrupter.
    • Built-in Type II DC & AC SPD.
    • Corrosion protection rating at C5.
    • User-friendly setup with plug-and-play installation.
    • Real-time data with 10 seconds refresh sample.
    • 24/7 live monitoring both online and with an integrated display.
    • Online IV curve scan and diagnosis.

Comparison Table between Goodwe, Fronius, Sungrow (single phase inverters)

ParameterGoodWe DNS G3Fronius Primo GEN24 PlusSungrow SG3.0/5.0RS
Country of OriginChinaAustriaChina
Maximum Efficiency98.30%97.60%97.90%
Dimensions347 x 432 x 175 mm530 x 474 x 165 mm410 x 270 x 150 mm
Weight11.5 kg15.4 kg10 kg
Operating Temperature-25°C to +60°C-40°C to +60°C-25 to 60
Noise≤ 25 dB(A)< 42 dB(A)Not specified
CommunicationWi-Fi, Ethernet, RS485Wi-Fi, 2 x Ethernet LAN, RS485Ethernet/WLAN/RS485/DI
Cost in Australian Dollar for 5kw inverter$750 $2,750 $1,000


  1. Depth: The GoodWe inverter provides a detailed breakdown of its features, making it easier for users to understand its capabilities. It would be beneficial for Fronius and Sungrow to provide a similar level of detail in their datasheets.
  2. Expertise: Fronius stands out in terms of the technical expertise displayed in their datasheet, showcasing their long-standing experience in the industry.
  3. Credibility: All three brands are well-established in the market. However, certifications like AS/NZS 4777 highlight the product’s compliance with Australian standards, adding to its credibility.
  4. User Intent Fulfilment: For homeowners looking for a quiet inverter, GoodWe’s ≤ 25 dB(A) noise level might be more appealing than Fronius’s < 42 dB(A).


While all three inverters have their strengths, the choice would ultimately depend on the specific needs and preferences of the user. It’s essential to consider factors like efficiency, noise levels, and certifications when making a decision.

Best Deals On Solar Inverters.

Ready to make the switch to solar? Reach out to Solar Power Nation for the best deals on solar inverters:

Phone: 1300-853-393


Harness the sun’s power with best-selling solar inverters, and take a step towards a greener, more sustainable future.

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