36 reactors per 1 cooling
edit: removed the fuel cell factory
I found the link below is more efficient https://www.factorio.school/view/-OBVaaiMfWovpOpnSbIg
by Unknown Author · updated 11/14/2024 · 1

Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
36 reactors per 1 cooling
edit: removed the fuel cell factory
I found the link below is more efficient https://www.factorio.school/view/-OBVaaiMfWovpOpnSbIg