Many municipalities are unequipped to deal with a "datacenter" because on paper it is the same as an office building (that draws a lot of power), where it should be treated like an industrial site (rail yard, factory).
The old datacenters are analogous to office buildings that emit some unusual noise and consume large amounts of electricity.
The new ones (ie gigawatt class) consume enough electricity for ~1 million households and at minimum enough water for 100k households (but possibly many times that).
It's the sort of externality that could be solved with a well placed megaproject. A related question to my mind is why we're building such expensive strategic assets in the open rather than under a mountain.
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Can datacenters load shed when requested? If not, they should be paying a premium/spot market prices for power if they arent participating in load management.
Local utility would ask them to shunt to the generators now and then during potential rolling blackout situations.