In our mod we use a lookup table to match an entity's reported status number with the correct status name in "defines.entity_status". We have found that there is no name in the "defines.entity_status" list that corresponds to the number 23, which we encounter in nuclear reactors ...

they still consume their idle power in addition to their operating power.

Thank you for pointing that out! While the power usages increase by only about 3% when including drain power, I'll add a note to the article about it for the sake of precision.

OP here, thank you for expanding the discussion! 1.) It would have been nice to briefly talk about these but I had no idea since I started playing after 1.0. 2.) Pollution is an inescapable issue for all burner fuels and it would have made sense to explicitly say this in the article. At least I did ...