Sorry for my bad english. I want to have the left graph but I want beside the “kWh” values the “€” value beside the “kWh” values, but I dont know how. Hope the screenshot explain what I mean.
regards!
welcome to the 
forum, @stefanschoenherr
perhaps I don’t understand, but I don’t think you can have to distinct units next to each other on the bar graph like kWh, €
please include more info if I am missing your idea 