Seems to be working correctly now. Thank you and everyone invloved in fixing it :)

@QuestionReality I think you could be right. I just tried using the devices connected to that P110, the new values seem to be calculated correctly in today's view.

@Zenigata Right.. just saw the other threat regarding the date problem.. thanks for the hint :)

@zepplmetz Just got an idea, if the Language suggestion didn't help... What if you write a comma "," somewhere else like in notes for example.. Copy that comma and paste it in the tapo app where you...

@zepplmetz Hi Thomas, I'm also in Germany but I use the English version of the App. I don't think you can change the language of the app, but for testing, you could change your phone's language to...

@zepplmetz For me it works with decimals but the cost calculation is wrong!! with 38 Cents per kWh set, the bill is showing below 0.01 EUR.. the correct value should be around 4.4 Euros!!