Simon P. Couch wrote about energy consumption of LLM usage and shares some of his napkin calculations (in lieu of data being made available my large AI vendors).
He concludes that it isn't too bad:
Personally, I don’t know that this scale of energy (and, ostensibly, water) use is significant enough to make me decrease my use of coding agents
Hidde de Vries (@hdv@front-end.social) is a web enthusiast from Rotterdam, The Netherlands. He currently works on accessibility standards for the Dutch government (views his own) and is in the W3C's AB. Previously, he worked for Mozilla, W3C/WAI, national and local governments, Sanoma Learning and others as a freelancer. Hidde is a public speaker (all 82 talks). In his free time, he works on a coffee table book covering the video conferencing apps of our decade.