I don’t understand why I have this slope in the beginning. It should go straight from 0 to the used power, not in a slope. Can this be changed? It was a straight line till it consumed power, and then it draw that slope.
This is really an apex charts question, not a Home Assistant question, so you might want to seek out an Apex charts forum. I’m pretty sure though, that Apex’s default for line charts is to draw smooth curves connecting points. You can configure it for straight line or step line drawing using the curve option on the series. See the apex chart HA custom card docs here and the Apex charts info on line charts here.
There is a “curve” option that can be smooth (default), straight or stepline.
Ok, thanks alot. I’ll have a look over there.