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Once exposed to the sun, your solar panels (also called photovoltaic module) produce electric current. This electric current is transported in the electric cables to the inverter that converts this electric current to EDF norms, 230V 50Hz. After, it is sent to the new electric meter (installed by EDF) that measures the total electricity production and inserts it into the EDF network. By selling all the produced solar electricity, you make your installation profitable in record time.