Regardless of the mechanism to cut power to homes and businesses, although tbh I think it will be centrally shut down if at all, this video is an interesting insight into the long standing plan if blackouts are needed.
Blackout Plan
I know this goes against the flow of the thread and I feel for you all who have had problems but Ferrex Aldi and XDP can conspire to get things right. Arrived on correct day, Box undamaged at gone 8pm - poor guy. Put it together this morning albeit without the tuff blades I’ve ordered. Works...