Hi
Regarding the point about DESS likely setting a feed-in restriction during negative hours:
I’m unable to set my SMA inverter to dynamic mode because I still receive green energy certificates until 2029. I’ve tested this functionality, and it does work. The question is: why doesn’t the system convert the excess energy to DC so the batteries can continue charging?
Regarding the Venus OS version:
I’m currently running version 3.63.
As for the meter type:
Fluvius installs second-generation digital energy meters in Flanders, supplied by IBM and Landis+Gyr. These meters are designed to meet standardized specifications and offer core functionalities such as:
-
Automatic meter reading
-
Real-time consumption data via the P1 port
-
Compatibility with smart applications and DSMR readers
Support for Net Metering (Saldering)
Although Fluvius does not explicitly refer to “net metering” in the traditional sense (like with analog meters that spin backwards), they do state that:
-
Solar panel owners should first consume the electricity they generate themselves.
-
Any excess production is automatically fed back into the grid, provided there is a feed-in contract with the energy supplier.
This means the digital meter does not net per phase, but rather records consumption and feed-in at a total system level. For net metering as applied by energy suppliers (e.g., offsetting consumption with feed-in), it’s important that:
-
The energy supplier supports this in their billing system.
-
The meter is compatible with this measurement method, which is generally the case with Fluvius meters.
Smart Meter and Dongle
Fluvius’ smart meter includes a P1 port, which is activated by default. Through this port, you can use a dongle or DSMR reader to:
-
Read real-time consumption data
-
Monitor feed-in
-
Optimize energy usage with apps like HomeWizard or Home Assistant
-
Grafik Fluvuis yesterday
Greetings
Erik