I am a retired electrical engineer and an early adopter of the AGL VPP. I maintain a database of daily consumption and solar production, sourcing data from the AGL website, SA Power Networks (SAPN) website, AGL Solar Command, Tesla and Fronius.The AGL csv data from their website is used to drive the AGL phone app and is the basis from which AGL bills are created. The 11th column in this data is a “Quality Flag” and is normally “A” for actual read from my smart meter.From 1st June 2017 until 13th ...