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It is generated in a power plant that converts power from fuel or other sources like hydro (falling water) into electrical power, usually with rotating machinery.

The power is then sent on to the grid, which connects the power plant to all the other power plants on the grid. The grid carries power over the whole country at high voltages, and at places where power is needed it is transformed down to a more convenient voltage for house supplies.

Near your house is an electrical substation, which contains a transformer to produce power at the right voltage for your house, 240 v in the UK. The power comes along wires that are either carried on poles, usually wooden, or are buried underground. There is a cable connecting the supply to your house through a meter that measures the amount of energy used at your house so they know how much you or your parents have to pay.

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11y ago

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