A regulated utility will only do what it’s compelled to do.
Nothing more.
If we lose our power due to cyber attacks, we can blame our own governance.
And, hopefully, exact justice for it as the impact would likely kill several millions.
I was reading about ATT and their 5g network. Their phone network will be over 50% open source software and can be updated remotely with 70% to be a goal in a few years. I wonder what will happen to the network when a hacker gets in and shutdowns all phone calls.