I feel that. AGL has also recently started estimating large figures after having actual reads for so long. I have a standard daily usage of electricity of 3-6kwh, but all of a sudden im getting high readings when im asleep or at work. My lastest reading for saturday the 20th is 23kwh...most of them while i was at work and at dinner. I think AGL is scamming, so if it isnt resolved ill be contacting the ACCC and the ombudsman in regard to this oversight.