https://energypeople.com/news/story/green-returns-for-green-...
They also state that they're interested in developing hydrogen and ammonia production capability using the electricity produced, rather than selling it to the grid, but building such production facilities would increase up-front costs by several billion.
Utah is already a power exporter. Utah generates about one-fifth more electricity than it consumes, and the state is a net supplier of power to other states.[1]
Transmission is expensive; you'd rather sell locally. Before you finance a $1B project it would be good to have a sense of how you expect to sell the outputs!
Part of what made this project viable IMHO was the adjacency to existing WECC Interface Paths.
https://en.wikipedia.org/wiki/WECC_Intertie_Paths#/media/Fil...
Right now we get past a lot of that by bundling up coal and natural gas in trains and pipes and generating closer to the sink.