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The picture illustrates the process of producing electricity in a home using solar
panels.
It is clear that there are five distinct stages in this process, beginning with the capture
of energy from sunlight. The final two steps show how domestic electricity is
connected to the external power supply.
At the first stage in the process, solar panels on the roof of a normal house take
energy from the sun and convert it into DC current. Next, this current is passed to an
inverter, which changes it to AC current and regulates the supply of electricity. At
stage three, electricity is supplied to the home from an electrical panel.
At the fourth step, a utility meter in the home is responsible for sending any extra
electric power outside the house into the grid. Finally, if the solar panels do not
provide enough energy for the household, electricity will flow from the utility grid into
the home through the meter.