I think you missed something in your calculations. Removing 0.1% load from the machine will not result in 0.1% of energy savings, very very far from it if in a

I think you missed something in your calculations. Removing 0.1% load from the machine will not result in 0.1% of energy savings, very very far from it if in any at all. And that's not even what we want to calculate. We want the difference with hypothetical alternative in a safer language, which is hard to guess, but is unlikely to be in the same order or two with your calculations.