Ah, you're right. Wooden ones wouldn't do, steel ones would. But I'm not sure if you could get it to be more space efficient with either steel poles or substations. Would have to test that later.

OAK wrote:My underground factory or furnace setup from an ancient thread.

You should open in a new tab.

Why not use something like this:



It's more space efficient and it seems like thats what you're going for.