Hello. I would like to calculate the Tesla charging capacity. The special thing about this is that we have a Tibber electricity tariff. Now I need a sensor (I assume) that records the electricity charged at the wallbox and extrapolates it with the current electricity tariff. I would like to have a feel for what the charging process cost. And I would also like to log this over the long term to see where we are after a year. Can anyone help me with this? I don’t even know where to start. 
If the Wallbox has its own energy meter you can add it as a grid source with the tibber tariff in the energy dashboard.
Otherwise you can use an utility meter with the tariff setting.
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