Awesome I'm glad i could have been of help!

For the energy consumption on that assembler, it went over the max positive, back through negative, and came back positive again. I can only imagine just how much energy it actually would use, and i'm too tired to do maths right now.
Two's complement in action for ya

The mod i was using to get this issue was Fast Furnaces. It includes a tier 5 productivity module with the downside of +150% energy consumption and tier 3 beacons with expanded range and a whopping 12 slots to hold those productivity modules. Needless to say it is a bit game breaking :P https://mods...

This issue isn't really a bug since it isn't possible with vanilla Factorio, but if you install some mods that give you more advanced modules and beacons, you can really crank up the bonuses on a single building. I'm still trying out different things, but I've found that if the electricity usage goe...