When Roon is running do you generally leave it in Album Detail view?
And could please also check the GPU usage to see if it’s also high when you see the high Energy Impact numbers?
Roon have some pretty nasty CPU and GPU resource utilisation issues on Macs that they haven’t managed to address yet which I believe have different underlying causes.
There are many different similar issues raised but these two are the ones that got most attention:
You may want to check if your high resource utilisation aligns with behaviours described in these two topics.