There is a cost to long distance transmission which distorts those numbers, presumably.
Nuclear would be a great way to replace coal and create new jobs as well. And that part of the country is prime for innovation in the energy sector having been dominated by coal for the last century and a half.
The Rust Belt has tons of nuclear penetration already. It's the west coast specifically that is lacking nuclear power. Either because hydro/solar are better options or regulatory reasons, I don't know.