Fronius Solar.web

Fronius International GmbH

About this app

With the Fronius Solar.web App you have many useful features:

- Useful display of live data of your PV system
- Historical energy data in form of various time intervals
- Expected generation data of your PV system*
- Extended weather data*
- Battery management with the Battery control and Energy Cost Assitant feature*
- Adjust your device settings (i.e. Battery max. SoC)**
- Evaluation and analysis of your earnings
- Viewing the components of your PV system
- Useful Widgets for your Home Screen

* Depends on your PV system configuration (Devices i.e. Smart Meter, Battery, ...) and Solar.web Premium subscription (Chargeable subscription).
** Fronius GEN24, Verto or Tauro needed. Minimal required firmware version 1.40.8-1 or higher

Ratings and reviews

Works, but it's usefulnes is very limited even with the paid subscription. There are simply not many options for any kind of meaningful automation, even on the inverter's local webserver. For quickly checking the system it's fine though. Not a fan of the new flow animation, but can be changed back in settings thankfully. For anyone wanting more, I recommend setting up a proper Home Automation system like Home Assistant and/or NodeRed with SolarNet and Modbus integration. That works very well.

As per many comments, it's simply terrible since latest (Jun 2026) update. The crashes have settled down but I'm not confident it's recording accurately. Data jumps around randomly. For example, turn ON appliances and consumption goes down..... hu??

Latest version has a problem with the visualization/animation on the Overview tab. Every 20 seconds the animation stops and the values under the grid icon and the home icon reset to zero for 10 seconds. Then, the current consumption/generation values are displayed again. The visualization on the previous version of the app never had this problem. As others have mentioned, the new "spoke" animation layout isn't intuitive. The previous version was much easier to understand at a glance.

What’s new

- Improved loading behaviour
- Bug fixing and performance improvements