Dark Iron, Wrath Fire transmuting blocks back and forth, Wrath Lamps, Interdimensional Barrels, an item teleporting router powered by Ender Pearls and Eyes, a wand that freezes water... Its method to produce electricity is via magnetism, coils, and from steam induced kinetic energy. It's not high tech stuff and does little to remove the feeling of mysticism the other half of the mod has.
I've been wondering this myself, often out loud in several other threads, but as there was never a response about it anywhere of any sort, I refrained from making a thread about it. Doesn't make a lot of sense, no, but I blame paranoid personality disorder (most often manifests as an irrational concern that I was or am offending someone) and the worry I was pushing my luck already with my pestering.