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The sensor Power_Netz_OÖ is the actual value provided by the S0 Led,
the sensor Power_Volksz_Netz_OÖ is from the volkzähler app form a raspi which gets its values from the same utility meter usind the D0 connection.
As you can see from the graphs, the values from the Volszähler graph (D0) and the value provided by the S0 are identical.
The values provided by the volkszähler integration in HomeAssistant are wrong!
They are exactly 24 hours delayed!
Who can change this issue?
I saw that many people blame Volszähler integration is delievering wrong values, and I think this is why they are 24 hours old and not the actual values are transfered into HA!