@IBDRAC If you download your usage file, you should be able to see what meters/registers are configured. RegisterCodeRateTypeStartDateProfileReadRegisterReadQualityFlag00657#B1Solar7/11/2020 0:0000A00657#E1Generalusage7/11/2020 0:000.130A00657#E2Controlledload7/11/2020 0:0000A These are the first four lines of my file, I have removed columns to allow easy read for you.I have a single meter, I have Solar, General Usage and Controlled load.The important bits are the defined registers, B1, E1 and ...