You may actually have to turn some other stuph off, if you're paying A Lot per kWh. Or run yer light(s) while yer power is cheapest, if you're on pay-by-the-time-of-usage.

Don't sweat the large bill. If they call ya on it, explain that you've been leaving your Large Gaming PC and Bigscreen TV on, and you and yer fiancé have already had That Fight, thankyouverymuch. But they are always amenable to payments.

Or, move somewhere yer 'lectricity is included...