460MW, consumes a total of ~4 belts of coal. 256 Boilers going into 512 steam engines. You could also run this off of 0.3 yellow belts of rocket fuel (100 assembling machine 2's needed).

Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
460MW, consumes a total of ~4 belts of coal. 256 Boilers going into 512 steam engines. You could also run this off of 0.3 yellow belts of rocket fuel (100 assembling machine 2's needed).