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A photovoltaic cell conducts electricity using the sun's rays. It uses the concept of the photovoltaic effect- which is the process that creates energy uses photovoltaic cells.

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This educational video clip from Enerdynamics' online course Electric System Fundamentals explains how photovoltaic (PV) cells work and describes types of PV cells. For more details visit http://bit.ly/2eHbqZD

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The average cost of a solar is $3.05 per per watt. The average solar panel is 6 kilowatts which means the price of the entire solar panel comes to $12,810. Some states and local governments may offer rebates for buying a solar panel, which would bring down the price. Different states charge different amounts for solar panels, so this is not a hard number. One would also have to take in consideration the amount of energy they are using and how much they pay for their electricity to truly calculate the cost of buying a solar panel.

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1. Do not release harmful pollutants
2. Systems are quiet
3. Virtually no maintenance
4. Locally available renewable resource
5. Can be constructed to any size

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1. Some toxic chemicals are used in production
2. More expensive to produce
3. Energy production is dependent on the sun

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Electricity