| Photovoltaic solar panels generate electricity by | | | | of the year. |
| converting the energy radiated from the sun. As the | | | | Photovoltaic solar panels use solar cells to generate |
| name suggests photo meaning "light" and voltaic | | | | electrical power. Solar cells are made of |
| meaning "electricity". These panels are getting popular | | | | semiconductor materials called silicon. A portion of light |
| day by day due to their effective use. Cleaner energy | | | | is absorbed by the semiconductor and this energy |
| sources are in huge demand due to larger benefits | | | | sets the electrons present in silicon loose. Photovoltaic |
| they provide. The efficiency of these renewable | | | | cells have an electric field that forces the free |
| power sources is getting better with the progress of | | | | electrons to flow in a certain direction. Free flow of |
| technology and they are getting more common. Solar | | | | electrons is electricity. We use this electricity for |
| power has the advantage over all other renewable | | | | external use by placing metal contacts on the cell. |
| energy sources as it supplies domestic energy. | | | | Photovoltaic solar panels are extensively used for |
| Purchasing a brand new solar panel is costly, although | | | | power generation in places which receive sunlight |
| it's only a one time investment. But you can build | | | | abundantly. Technological advancements and increase |
| yourself one panel if you can give it some time and | | | | in the manufacturing scale has made them a lot |
| work patiently on it. The solar power can save you big | | | | cheaper since the first solar cell was manufactured. |
| money. First you reduce the electricity bill amount by | | | | Now they are used for power generation in more than |
| using it and second, you can sell the extra power | | | | 100 countries. The largest solar power station is in |
| generated through panels back to the grid and get | | | | Spain which generates a huge sixty megawatts of |
| paid. You see the double benefits here. Apart from | | | | power. Also enthusiasts install them on the rooftops of |
| these, you are helping the environment too. | | | | homes to harness the solar energy. |
| Photovoltaic solar panels are the fastest growing | | | | Nature has not given us infinite stores of traditional |
| renewable energy in the world. Production of | | | | energy sources like coal and petroleum. Renewable |
| photovoltaic cells is constantly growing at a rate of | | | | energy sources are our necessity. The ever growing |
| fifty percent every second year after 2002. The | | | | technology has made it possible to live in a greener |
| expected amount of power generated by solar panels | | | | world and enjoy the modern conveniences we are |
| may exceed twenty thousand megawatts by the end | | | | accustomed to. |