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Mods introducing new content into the game.
Augmented or new ways of transporting materials - belts, inserters, pipes!
The lights stay on even if there is no power. So whats powering them up shouldn't they turn off ?
It is intended for performance, in the Building it is always day. Solar modules don't work :]
Due to the changes in your mod: Can the Interior Lights research be removed? Also maybe the research for the Pipes?