Transmission is crazy expensive and hard to permit for. Something like this could easily be in the billions depending on how much would need to be built and the associated upgrades.
The legislative of any state can basically write a law saying "this project is exempt from review". This isn't a complicated problem like interstate water rights with American Indian treaty obligations.
(Unless of course you are a fan of the chinese modell and want to implement that - but even they fear people revolting over unpopular big decisions)
From experience they try to pay far below market rate, so then people challenge it (possibly in court?). This delays things, adds expense, etc.
You're like a walking, talking poster child for Dunning-Kruger.