Spikes in integral sensor (battery consumption)

Configuration
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1

Hello,

I am currently using an integral sensor to monitor my solar battery-system. The past few days I started seeing a weird spike in between 08:00 and 09:00. The power sensor also had spikes in that time but not over a longer period which could have caused the spike for the integral sensor (kWh).

As for my understanding the kWh-integral sensor for battery consumption should always be flat (no energy taken from the battery) or constantly rising (energy is taken from battery). The instant spike in my sensor is like a 1 kWh increase, which cant be correct.

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Am I missing something or can I tweak anything on the sensor configuration?

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2

Here’s also a screenshot of the power-sensor which is used for the integral sensor:

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3

Use method: left to minimise approximation errors.

4

Thanks for the reply! Directly changed the sensor and also added a max_sub_interval of 5 minutes.

Will check how it will react tomorrow morning after standby.