Help with solving Engery Spike with availability_template: kindly requested

Configuration
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1

Hello together,

I am desparetely trying to solve my energy spikes I get from mqtt sensors.
There are a couple of solutions mentioned, which I tried all, but it doesnt seem to work.
The way I understood it an “availability_template” statement behind the value template should filter out all values which does not meet the condition.
So I tried the following in the mqtt: section:

- state_topic: energy/growatt
    value_template: "{{ value_json['values']['pvgridvoltage'] | int / 10 }}" 
    availability_template: "{{ value_json['values']['pvgridvoltage'] < 3000 }}"

alternatively I tried the following:

- state_topic: energy/growatt
    value_template: "{{ value_json['values']['pvenergytoday'] | int / 10 }}" 
    availability_template: "{{ value_json['values']['pvenergytoday'] < ['500']}}"

but if I change the values in the availibility_template under the actuals I found out, that it is not filtered.

I kindly request you help to point me in the rigth direction and I assume a lot of people would profit from that, because there tons of unsanswered request for help regarding that subject.

Thanks upfront!

2

Finally solved the issue with the help of another forum member