for a TPU with more than 16GB GRAM and less than 40GB, so sometime we need to provision a A100 to get the training speed we want but we don't use all the GRAM

Oh that makes sense...
Just saw this one, this might help?
https://www.globenewswire.com/news-release/2022/10/24/2539924/0/en/ClearML-and-Genesis-Cloud-Announce-New-MLOps-Partnership-Delivering-100-Green-Energy-Compute-Solution-for-Machine-Learning.html