zlacker

It's untrue, it is used everyday on all our Gen3/Gen3+ reactors (our Gen2 are able to do it too, but it does cost a lot as core monitoring is more costly for them)

I've found this https://www.oecd-nea.org/nea-news/2011/29-2/aen-infos-suivi-... even if it isn't really clear, you have a graph that show you a typical year on a french reactor, and load followinf the german reactors used to do over a day.