Bud, Savings have been a little hard to calculate due to the supply charges increased and feed in decreased (24c to 16c) around the same time our original VPP was installed. What I can say is that our total consumption decreased by about half. We had an existing 5kw Solar array and the quarterly figures are as follows. We are a full electric house. I have not done the calculations of the decrease of solar feed in due to the PV charging the batteries. Aug 2016 2541kWh Aug 2018 162 ...