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Smart Home Forum by FIBARO Team

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HLC3 (HC3) how to get power consumption of the inverter (Fronius)



Hi there:)

So I have Fronius Symo, with aditional energy meter (S0 type).

Fronius gives production related info (by itself), and also grid flow in plus (house usage) or minus (grid feed). There is also house load paramether. This is thanks to S0 meter.

The inverter and power network are connected in paralell to one side of the meter, the house is on the second side.

So the meter knows total usage of the house and production.

In fronius related devices and in energy panel in HCL3 I can see production (total and momentan) and grid flow (plus or minus) as well nice charts of production

What I can't make is to have consumption presented and showed in energy panel. However I can see P_Load (which is power consumption in given moment - but only in main fronius device config.

It is zero all the time in Consumption meter and in energu panel.

Only consumption I have is from single/double switches but these are some small numbers in watts (led bulbs).

But general house consumption is missing, despite the fact that all data that it requires are there (P_Load usage over time).

So this shold be easy to calculate.

So simple question - ho can I have it done ?


I still have my Homeassistant instance runniing - I'm moving from HA to Fibaro - so I have reference data to check if new configuration in Fibaro works well.

So far it is not...


In HA, I was using fronius integration with small pieces of scripting to get what I wanted:

This is what I was using in HA.

I know scripting is different but it gives some idea.


# Calculating production and usage

  - platform: template

        unit_of_measurement: 'kW'
        value_template: "{{ (states('sensor.fronius_house_load') | float) | abs  | round(2) }}"
        friendly_name: ‘Actual usage’

  - platform: integration
    source: sensor.fronius_house_load_positive
    name: house_energy_used_hour
    unit_time: h
#    unit: kWh
    round: 2
    method: left
Utility meter

    source: sensor.house_energy_used_hour
    cycle: daily





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