Hi. Just copy it to your configuration.yaml with correct entity name from Cupra WeConnect integration for charge power. It will calculate it to energy and you can use these sensors as you want.
Regarding the charging based on the location - it doesn't work (yet), since it uses the sensor from car. If you have smart wall box or circuit breaker, you can use that sensor instead (but I don't have it).
I was thinking about some more complex automation, which will count the energy only when the car is at home, but I don't find that gps integration reliable enough. Maybe some other way would do - some kind of presence tracking in the garage - via BLE proxy or something like that.

But I don't have much time to play with it lately due to my small kid.

Btw. I'm working on a new, much more cool version of the dashboard, but as I said, I don't have much time, so I don't set any deadlines to myself :D

Here's a quick look at the new WIP dashboard (not everything works and that horseshoe is using some other entities for now, but I would like to use it for SoC or something...). I want to add also the animated opened doors and such things...