ᐅ What does the rated output power of an inverter mean?

Since last summer, we have had a photovoltaic system with 6.12 kWp and a Fronius Symo Hybrid inverter. Until now, the inverter always displayed the current production from the roof. Now we have added a battery storage system with 5.1 kWh. The inverter now shows a value in watts under "output power" that I cannot interpret. What does this output power represent?

The output power is the current power coming from the roof.

Do you have a hard or soft curtailment? The photovoltaic system is allowed to feed a maximum of 70% into the grid.
So, with 6.12 kWp, that is 4.284 kWh. With hard curtailment, the photovoltaic system will not produce more than that.
If there is an intermediate meter that accounts for self-consumption, the system can produce the full 6.12 kWp if the self-consumption exceeds 30% of the system capacity.

rick2018 schrieb:

Do you have a hard or soft limit?

I think with storage systems, only a soft limit is possible.

rick2018 schrieb:

So at 6.12 kWp it’s 4.284 kW.

kWh -> kW

The best way to see all this is through the portal.
The question is what is happening at that moment: Is the inverter charging the battery, drawing power, or feeding energy into the grid?

Photos would make it easier (we don’t have a battery).