The projection is roughly the monthly consumption from last year if I am not not mistaking. You should change provider if you're being charged stupid amounts.

The projection is roughly the monthly consumption from last year if I am not not mistaking. You should change provider if you're being charged stupid amounts. The provider certainly allows debt when moving in, while the contracts and payments are setup. Afterwards, I am not sure if the last bill if for the next or past period, probably a bit of both.