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Repowering PV systems

Hundreds of thousands of PV systems worldwide are generating clean solar power. After years of use, technically complex inverters may fail or suffer from defects. Fronius inverters are ideal for repowering PV systems of all sizes. Even devices from other manufacturers can be replaced flexibly without requiring additional time and effort for installation.

Reasons for Repowering 
/  Your inverter is broken or out of warranty?
/  Your inverter is broken and the service is not satisfactory?
/  Your inverter does not produce the expected yield?
/  You benefit from a high feed-in tariff and a more powerful inverter would deliver a higher yield?



Fronius inverters - the perfect inverters for Repowering 
The latest technology

Fronius inverters are at the cutting edge of technology. The data communication package includes data logging, WLAN, Ethernet, energy management, a web server and numerous interfaces. They are Smart Grid Ready and the Dynamic Peak Manager maximises the PV yield.

Third-party compatible
Fronius inverters feature a variety of open interfaces such as Modbus TCP SunSpec and Modbus RTU SunSpec. This guarantees connection to third-party components during system monitoring.

Planning aids
In the offline version of the Fronius Solar.configurator dimensioning tool, you will find almost all solar modules - even those from previous years. This will help you to dimension your PV systems.

Download Fronius the Solar.configurator online tool

Future-proof with plug-in cards
The innovative plug-in card technology allows flexible retrofitting of future functions making the Fronius inverters fit for the future.

Upon registration, our inverters have a minimum 5 year warranty. This can be extended up to 20 years. More information about warranty terms and conditions


Repowering - what you need to know 

Single- or three-phase inverters
Single or three phase? The conversion from one connection to another may involve an enormous amount of recabling work. Fronius offers both single and three-phase devices - choose the right inverter for you according to your grid connection.

Module grounding
When selecting your repowering inverter, you need to know whether the existing inverter has a transformer. The module type determines whether a device with or without a transformer is used. If a transformerless device was previously installed, then any Fronius inverter can be used. In the case of transformer devices, the PV system and its properties must be considered in detail in order to select the right new inverter.

System/inverter size
Is the PV system a small self-consumption system in a domestic household or a commercial field installation in the range of megawatts? This will determine the type of inverter required. Fronius inverters boast power categories ranging from 1.5 to 100.0 kW.

DC voltage range
The voltage range of the existing device must match the input voltage range of the new inverter. Fronius inverters have a very wide input voltage range. The Fronius Symo, in particular, is exceptionally flexible with a voltage range of 150 to 1,000 V and can easily be used as a repowering inverter

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