[eli5] In most movie adaptions of apocalyptic scenarios the power in every building disappears, is this accurate, if so where would the power in the national grid go?

Question

[eli5] In most movie adaptions of apocalyptic scenarios the power in every building disappears, is this accurate, if so where would the power in the national grid go?

In: 2

Answer 1

Power is generated in power plants. Without people to operate those plants, they stop generating power. If the plants stop generating power, then power stops being put into the grid.