So you do not need a surface full of chunks to inflate your save size.
Providing the player with new tools or adjusting the game interface, without fundamentally changing gameplay.
New Ores and resources as well as machines.
Play it your way.
Make so you need to actually add more drills inside to be able to mine more area. As of now, it's quite cheesy. Maybe also require lubricant/drilling fluid to mine?
Make it require more power compared to normal? 150%?
well it is a cheat mod after all, also the power consumption already scales so its not like you're getting power for free, its just convenience.