https://eandt.theiet.org/content/articles/2020/11/vw-signs-deal-to-revamp-greek-island-s-transport-system-with-electric-vehicles/
As ever there is a lack of detail, 'Energy will be primarily generated from local green power sources, such as solar and wind' . Primarily may be the weasel word there.
When a Samoan Island was announced in the green media as 100% solar powered they seemed to overlook the three diesel generators rated at slighly over half the rating of the PV units.
