"Usual, proper, necessary, or normal" for what purpose?

For data centers, none of those adjectives are being exceeded, so it's not excessive. Ireland is not using more power to run its data centers than anywhere else is, for data centers of a similar size.

To justify the claim of "excessive", you need to define some standard against which that's being measured. That choice of standard is necessarily subjective.

Again, this attempt to reframe subjective claims as objective is an act of either ignorance (not understanding what "objective" means) or zealotry (believing your opinions are the only ones that can be correct, and therefore "objective".) Either way, you need to examine what you're claiming more closely.