• Overview of Electricity

    Electricity—or electrical energy—is moving electrons. We depend on electricity for many tasks in today’s world.
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    Electricity provides energy to lights so we can see at night.
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    Electricity runs our heating and cooling systems so we can be comfortable in our homes.
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    Electricity powers our electronics so we can work, communicate, and be entertained.

     

    Electricity is a secondary energy source. We generate electricity by harnessing energy from other sources and converting it.
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    Coal power plants convert heat from burning coal into electricity.
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    Nuclear power plants convert heat from nuclear fission into electricity.
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    Photovoltaic cells and solar power plants convert sunlight into electricity.