It can happen now without a satellite internet connection. Though what will 10 substations knocked out of 55,000 in the U.S. going to do? Certainly won't take down the whole grid.
Satellite internet connection is just like it was going from dail up phone connection to cable connection. It's just a new way to connect to the internet.
Satellite internet connection is just like it was going from dail up phone connection to cable connection. It's just a new way to connect to the internet.
https://theweek.com/crime-and-punishment/1021282/attacking-the-grid
Disabling a single transformer usually causes a localized blackout, but if several substations fail at once it can trigger cascading outages. A federal report published in 2014 found that strategically disabling just nine substations across the country — combined with an attack on a transformer manufacturer — could cause a nationwide blackout lasting 18 months.