This has the perfect (21:25) ratio of accumulators to solar panels, and is updated to maximize the use of the new range of substations in version 0.15.x and newer versions. Does NOT use a roboport.
by Unknown Author · updated 12/28/2017 · 29

Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
This has the perfect (21:25) ratio of accumulators to solar panels, and is updated to maximize the use of the new range of substations in version 0.15.x and newer versions. Does NOT use a roboport.