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The picture illustrates the process of producing

electricity

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in a

home

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using solar panels. It is clear that there are five distinct stages in

this

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process, beginning with the capture of energy from sunlight. The final two steps show how domestic

electricity

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is connected to the external power supply. At the

first

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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

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,

this

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current is passed to an inverter, which changes it to

AC

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an AC

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current and regulates the supply of

electricity

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. At stage three,

electricity

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is supplied to the

home

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from an electrical panel.

At

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In

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the fourth step shown on the diagram, a utility meter in the

home

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is responsible for sending any extra electric power outside the house into the grid.

Finally

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, if the solar panels do not provide enough energy for the household,

electricity

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will flow from the utility grid into the

home

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through the meter.