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  1. I

    Energy yield figures

    Thanks! Yes it is grid-tied. I'm not sure about the details and will have to ask the electricians. The PV system is on a building separate from the main campus and the inverter and metering are in that building. There is a low-current load in the building (PCs, phones, lights, IT switch...) but...
  2. I

    Energy yield figures

    Thanks, that's very useful and clear, and makes sense. I don't have any external metering other then the export meter, as the project was planned to expand at some point to include storage and so on, at which point a full measurement system would have been designed. The PV roof + SMA 5000-TL...
  3. I

    Energy yield figures

    I have a 5kWp PV system with a SMA 5000-TL inverter. When I compare the energy yield figures from the inverter (via Bluetooth) per month with the values on the meter from the inverter to the mains, the value on the meter is only around 85% of the figure reported by the inverter. Why is this? I...
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