| Solar photovoltaic energy cells are the main power | | | | bit of electricity will be lost. Once the power is out of |
| source behind all solar systems, these cells first got | | | | the inverter a simple circuit is all that is required to |
| their start in calculators. Over the years they evolved | | | | power your electrical items. |
| into many different uses, the most popular of which is | | | | If the power output is not enough to cover your |
| supplying power to homes and business's around the | | | | electrical demands you will have to add more |
| world. The solar cells are made from a semiconductor | | | | photovoltaic panels to increase the power output of |
| material with silicon being the most popular choice. | | | | the system. On the other hand if your solar system |
| When light strikes this material the semiconductor | | | | produces to much electricity you can actually sell it |
| starts to move the electrons in the solar panels. The | | | | back to the power company. The power companies |
| resulting electron activity is so strong that as the | | | | are required by federal law to buy back excessive |
| electrons flow around the semiconductor electricity | | | | energy, not only is this good for the earth but this will |
| begins to be produced in the solar panel. | | | | help offset the cost of the system as well. |
| Now that you have energy produced in a cell you | | | | The use of photovoltaic cells to produce power is an |
| have to is harness the power from the photovoltaic | | | | emerging technology that has a very bright future. As |
| cell into usable power. You must be aware however | | | | home owners and business around the world make |
| that solar power is in the form of DC current and | | | | attempts to save money and reduce operating costs |
| needs to first be run through a inverter to change it to | | | | solar energy is becoming a more frequent choice. |
| AC current at 120 volts. During this conversion a small | | | | |