I ended up doing the same with nuclear. I think I may have even switched to fusion.
A funny thing I found is that as you use less steam and less peat, then any belt with peat on it can start to back up, leading to cascading issues with gold and gold stromatite getting starved. I think I used recyclers to solve that once I noticed.
I also ended up spamming noise cancellers once I got a new power source installed so that their power drain does not seem excessive. There ends up being very little noise pollution escaping the main plant after doing so. Nice!
It sounds fun to try doing a peat-based in a future run just to see. I found the power needs to not be astronomical even when getting up to a few thousand science/minute, and there are noise cancellers for dealing with whatever pollution the peat burning causes.