"All of the electricity consumed by Amazon’s operations, including its data centers, was matched with 100% renewable energy in 2023."

https://www.aboutamazon.com/news/sustainability/amazon-renew...

AWS is perhaps the most established vendor in this space. They if any should have their architecture sorted out and have great execution on their growth.

Meanwhile,

https://www.politico.com/news/2025/05/06/elon-musk-xai-memph...

https://www.newsweek.com/ai-race-fossil-powered-generators-a...

https://www.tomshardware.com/tech-industry/artificial-intell...