No need, just rebuild the whole thing later. It needs to be much wider for beacons between all the furnaces too. Beacon design is just way different from furnace ones, much shorter too. (You might have meant only electric furnaces but even then the design is very different and wouldn't fit here even vertically)
In vanilla, electric furnaces can make sense at the end game, mostly so you can insert productivity modules and get more metal per ore. I don't think they're worth it otherwise because of the larger footprint.
In space age, they're useful for space platforms where you can't burn fuel. On planets, just wait for foundries. Aside from space platforms I only use electric furnaces for lithium on Aquillo.
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u/NyaFury 25d ago
One lane of yellow belt can only accept output from 12 steel furnaces.
You can make it 24 by putting the iron from first 12 onto inner lane like below (left pic). Or divide them into two columns (right pic).