Refills as soon as no steam is left - saves lots of nuclear fuel cells. Doesn't take into account the optimal factor of reactors to steam turbines.

Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
Refills as soon as no steam is left - saves lots of nuclear fuel cells. Doesn't take into account the optimal factor of reactors to steam turbines.