We saw that where they needed to cheat more intensely in order to steal the election were a couple counties in 5 or so states. And as I remember, there was this car-bomb in Nashville that exploded on a AT&T central hub (most likely a NSA surveillance hub) and it brang down mobile phone signal and mobile internet throughout most of the east coast.
No need to nuke the entire system if you just have to put down a central node and the rest falls apart like dominos. What are your guesses ? Mine are all locations of Amazon, Facebook and Google server farms.
East Coast - Mid Atlantic - Mass Population. But miraculously, Wash DC will have power....
FYI: Here is the Congressional Session Schedule for 2021. Will blackouts happen when they are out of session in August? Yeah, right when AZ Audit totals/info starts to surface out to the public. Link; https://rational360.com/2021-combined-congressional-calendar/