Why is the reading from a bi-directional meter different from the reading from an inverter?
Self-consumption, i.e. the electricity produced by the photovoltaic installation and used on an ongoing basis for everyday domestic activities, is responsible for the discrepancy in readings. The inverter indicates the total amount of energy produced by the photovoltaic installation, while the meter indicates the amount of energy handed over to the utility, i.e. minus the self-consumption. Autoconsumption Most often, in an average household, autoconsumption does not exceed 20-30%. The lowest ...
