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Open interfaces

The networking of different products and systems is becoming increasingly important, as it opens up many opportunities for all sectors involved. In keeping with this trend, Fronius has created all the documentation needed to integrate Fronius products into third-party systems and are available to download on the following pages. Fronius inverters feature various open hardware and software interfaces.
Please choose your desired product.


Open charge point protocol (OCPP) is a standardised interface for the management of charging stations. The interface can be used e.g. for load management purposes or to create charging reports. The documentation describes which commands the Wattpilot supports.

OCPP User Information

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In return for making our protected premium content available, you allow us to use your personal data (name, address, e-mail address, company) to send you newsletters by e-mail, so that we can inform you about the Fronius International GmbH product portfolio from our Fronius Solar Energy business unit (promotions, new offers, new programmes and training opportunities in the field of photovoltaics). 

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