Fronius
InvertersFronius is an Austrian inverter manufacturer founded in 1945. The company produces residential and commercial inverters with 10-year warranties extendable to 15 years.
About Fronius Solar Inverters in Australia
Fronius is an Austrian manufacturer founded in 1945 that has been producing solar inverters since the 1990s. The company is widely regarded as one of the premium inverter brands available in Australia, known for build quality, efficiency, and long-term reliability.
In Australia, Fronius inverters are a top choice among quality-focused installers. The Gen24 Plus range offers both single-phase and three-phase hybrid options, while the Tauro series covers commercial applications. Fronius inverters consistently achieve some of the highest efficiency ratings in independent testing.
Fronius maintains a strong local presence in Australia with a dedicated support team, spare parts warehouse, and network of authorised service partners. Their Solar.web monitoring platform provides detailed production analytics and is well regarded by both homeowners and installers.
Why Solar Trust Score
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Fronius Key Features
97.6–98.6% Efficiency
Fronius inverters consistently achieve top-tier efficiency ratings, meaning more of your solar energy gets converted to usable electricity.
Gen24 Plus Hybrid
The Gen24 Plus series integrates battery storage seamlessly, supporting both AC and DC coupled battery connections.
Austrian Engineering
Designed and engineered in Austria with rigorous quality testing. Every inverter undergoes individual testing before leaving the factory.
Solar.web Monitoring
Free Solar.web portal and app provides detailed real-time and historical production data, system diagnostics, and fault alerts.
10-Year Warranty (ext. to 15)
Standard 10-year warranty with the option to extend to 15 years at time of purchase. One of the best warranty programs in the industry.
Strong Local Support
Fronius has a dedicated Australian office in Melbourne with local technical support, spare parts inventory, and authorised service partners nationwide.
Fronius Products Available in Australia
Primo GEN24 Plus Series
Symo GEN24 Plus Series
Tauro Series
How Fronius Compares to Other Premium Brands
| Feature | Fronius | SMA | Enphase |
|---|---|---|---|
| Price Point | Premium | Premium | Premium |
| Standard Warranty | 10 years (ext. to 15) | 10 years (ext. to 20) | 25 years |
| Type | String Inverter | String Inverter | Microinverter |
| Efficiency | 97.6–98.6% | 97.2–98.7% | 97.0% |
| Monitoring | Free Solar.web | Free Sunny Portal | Free Enlighten |
| Local Support | Melbourne office | Sydney office | Sydney office |
All three brands are considered premium options in Australia. Fronius and SMA use string inverter technology (one inverter for all panels), while Enphase uses microinverters (one per panel). Microinverters offer panel-level optimisation and monitoring but at a higher total system cost. String inverters are simpler and more cost-effective for standard roof layouts without significant shading.
Customer Reviews
Frequently Asked Questions About Fronius
- helpIs Fronius a good solar inverter?
- Fronius is widely considered one of the best solar inverter brands available in Australia. The company has been manufacturing inverters since the 1990s and is known for high efficiency (97.6–98.6%), excellent build quality, and strong local support. Most solar installers rate Fronius in the top tier alongside SMA and Enphase. The main trade-off is price, as Fronius typically costs 20–40% more than mid-tier brands like Sungrow or GoodWe.
- helpHow long do Fronius inverters last?
- Fronius inverters typically last 15–20+ years with proper installation. The standard warranty is 10 years, extendable to 15. Many Fronius Primo and Symo units installed in 2010–2015 are still operating well. Longevity depends on installation quality, ventilation, and environmental conditions. Fronius inverters have one of the lowest warranty claim rates in the Australian market.
- helpIs Fronius better than Sungrow?
- Fronius and Sungrow target different market segments. Fronius is a premium brand with marginally higher efficiency (0.5–1%), Austrian engineering, and strong local support, but costs 20–40% more. Sungrow offers solid performance at a lower price point. For homeowners planning to stay 15+ years, Fronius may offer better long-term value. For budget-conscious installations, Sungrow delivers good performance per dollar.
- helpWhere are Fronius inverters made?
- Fronius inverters are designed and engineered in Pettenbach, Austria, where the company has been headquartered since 1945. Manufacturing takes place in Austria and other facilities. Each inverter undergoes individual quality testing before shipment. Fronius has a dedicated Australian subsidiary in Melbourne for local support and warranty services.
- helpDoes Fronius work with batteries?
- Yes, the Fronius Gen24 Plus range (both Primo and Symo models) supports battery storage. These hybrid inverters work with compatible batteries including BYD Battery-Box and others. The Gen24 Plus supports both DC-coupled and AC-coupled battery configurations, giving flexibility in system design and future battery additions.
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