Interesting read on V2x
https://www.volkswagen-newsroom.com/en/press-releases/cleverly-manage-your-own-electricity-first-id-models-support-bidirectional-charging-17949#
@Des Vehicle 2 Home, lets you power your house through a Bidirectional charger (not many about and expensive) Vehicle 2 Grid, is used to sell back to the grid and forms part of V2x