You’re acting like that’s a common scenario…

There’s a few small slices of area in a minority of states where you might be legally allowed to pick, but that is not a guarantee there’s more than one option.

To my knowledge most of them are artificial monopolies anyways.

Like, in Perfectville your choice between any available provider is legally protected. However company A and company B made a handshake deal to draw a line down the area and not provide service on one side of the line.

competitiveenergy.org/…/state-by-state-links/

Very few of those green states are for electricity