It's definitely on the roadmap in Europe: https://www.greencarcongress.com/2019/03/groupe-renault-launching-large-scale-v2g-trials-with-fleet-of-15-zoe-evs.html

It's definitely on the roadmap in Europe: https://www.greencarcongress.com/2019/03/groupe-renault-launching-large-scale-v2g-trials-with-fleet-of-15-zoe-evs.html https://www.greencarcongress.com/2019/03/groupe-renault-laun...