[max51]

>it would apply even if every data center built an entirely renewable dedicated solar farm to power it. After all, energy is fungible: the newly built solar farm could be going to help consumers transition to renewable.

No, because that solar farm would have never been built in the first place without the datacenter. You either get both or you get none of them. It's completely different than using an existing solar farm that was already there before anyone started planning for that datacenter