Under Bernie or Hillary, I would expect an all out push to close not only all the coal fired power plants but all of the nuclear energy plants. And follow on by closing all power plants that use natural gas. Not sure about if the hydroelectric plants would be permitted to remain open.
When welfare can’t buy heat or lights things will change.
"Electricity prices must necessarily skyrocket."
Hydro will have to go!! What about the fish runs and the altered river courses. Not to mention the destructive and polluting recreational boating and fishing unnatural fish populations.
It would hinge on the welfare of salmon migrations and hitherto unknown creatures like the snail darter.