Counter is messing up

Helle there,
i use a helper as a counter.
It counts power over a period of one day.
In this case it counts the Watt/kWh of a Shelly 3EM over one day.
The results differ around 30-40% from reality.
This is what i experienced with every counter i used.
What am i doing wrong.

Example: consumption today counter: 6,85kWh / Shelly 3EM 3,99kWh

How?

What causes it to count up?

Also Why?

This is what the Utility meter is for.

Choose your sensor, set a daily cycle. That’s it.

That is what i did.
I choosed the sensor. the individual variables of the sensor are correct.
The counter is set to daily.

That is not what you said you did. Counters and utility meters are two different helpers

But you show a kW helper while you talk about kWh and a utility meter cannot do that conversion.You compare to a kWh sensor from the Shelly.

You can apply the utility meter directly to the kWh sensor from the Shelly. If you are converting kW to kWh you’re probably doing that wrong, but you don’t need to.

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Sorry for this… Got it. I used a utility Meter.

That is what i did:
i put the power sensor in the utility meter and let it count. That is all.

That is not how the utility meter works. It needs an energy sensor. Not a power sensor.

Okay i will try this.
But when i take the energy sensor, the utility meter counts in kW as well.



This is the energy sensor:

Go to Developer Tools → Statistics and fix the issues with your utility meter.

But the whole point is kW is something entirely different from kWh. It is like the difference between speed and distance traveled. If you want to convert kW to kWh you need a Riemann sum integral, but there’s no need, because you already have the kWh. Putting kW in a utility meter yields useless results. Just put the kWh sensor in the utility meter and you are done.

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