Gothmum, Electricity rates in Qld went up recently, I think it was upto 15% increase, depending on which company people were with.

If Ergon have been estimating your bill, they usually have it written in big bold letters, that it is an estimate as there was a dog on the premises. They will only let you go for around 3-4 quarters with an estimate, and then they send a letter saying that you are suppose to provide them with access to the meter, and if you don't, then you will have to have the meter moved to a location that they can access, at your cost BTDT...

Also, watch them if they are sending someone out to reread your meter, they usually charge you for it, from memory i *think* it was something like $50.

Nic