@KateV
When I put figures into my comparison spreadsheet, the daily charge is the most significant factor and then the FiT.
The supply rates are almost insignificant as I mainly use my own power and export far more than I use. In my area the daily charge can be about $2 a day with GST included. Have been weighing up when it becomes viable to disconnect and go off-grid with a back up genset.
Think I have got it to break even now, with a projection for the next bill of -$0.41