Great and satisfying answer! Thanks a lot.
So, I’ll stick to the steel furnaces until I have unlimited power. I don’t want to use solar panels, and I want to keep my coal consumption low.

Oh, you’re right!
I completely forgot about nuclear power…
Thanks for reminding me.

Sorry, I’m playing in German.
The correct abbreviations are, of course, Stone, Steel, and Electric.

Perhaps the following image illustrates my thoughts better

It’s just the normal Space Age mod

Good day, dear development team! :)

Today I was wondering how much better an arc furnace is compared to a blast furnace. I noticed that a blast furnace, using one piece of coal as fuel, can perform 28.33 smelting operations. Meanwhile, the arc furnace only manages 13.88 smelting operations.

A ...