Electricity meters are extremely reliable, but do rarely get issues.Maybe to start, just a few things I advise you check . . . Is your meter an older analogue meter, that needs to be read, or a smart meter ?If analogue needing reading, are these last 3 bills actual reading bills, or estimated reads ?With AGL and your old retailer.I have seen this before at my workshop, which is behind a locked gate most of the time, I had many estimated bills that ALWAYS seem to be way overestimated (I once rece ...