I don’t know if they got the substation built, but last year they weren’t able to get enough power from the grid, so installed 14 generators (at 2.5mw each) to cover their needs

https://www.datacenterdynamics.com/en/news/elon-musks-xai-data-center-adding-to-memphis-air-quality-problems-campaign-group/

Not OP but I’ve had it happen to me today with Firefox + ublock origin

MistralAI look to be something along those lines