The environmental movement asked the same thing for subsidized hydrogen production

Power use by the Washington/Oregon data center cluster was almost entirely covered by a local surplus of hydropower until a couple years ago. That might be why it looks different from elsewhere.

If you’re doing a massive load increase, build out emissions-free generation to match. Some mix of wind, solar, batteries, nuclear, and geothermal would do fine. Otherwise, don’t do the big load increase.