in Chelan County where I live they came up with a Large Load policy specifically to protect the rates of other local users... the large load customer gets short-term access to power and then has to source it elsewhere (with the PUD in the middle). Microsoft is here and apparently plans to source from Helion long-term which is building their first generator just down the street. they also have to pay for their own grid upgrades as needed.
more information here: https://www.chelanpud.org/about-us/events-calendar/event/202...