A Factorio overhaul with custom ores, heavier processing chains, expanded science and materials, cleaner starter-region worldgen, and deliberate outpost progression.
Well as for the concept solar panels was designed to earth efficient solar input so they take loads of space. Just to illustrate what a 1000 MW solar plant looks like compared to a modern coal/nuklear reactor spacewise is silly difference.
It wasnt designed for outside athmosperic and space age game play.