here's no need to demonstrate that if you use less electricity, you'll reduce your bill at a constant price, and reduce the increase in the event of inflation!
" We consumed 4 times less with the reduction in lighting hours, but the bill didn't move, so we didn't save anything ".
That's wrong!
At constant prices, the bill would have been 4 times higher, so 3/4 of the bill was saved.
In France 2024 :
there are no 36 ways to reduce the bill: the most effective is to light less.