How Does Solar Power Work?

For electricity, you would need a solar photovoltaic (PV) panel. These come in various sizes according to your needs.

Although traditionally it is more costly to have PV solar panels than solar water heaters, with new technologies rapidly emerging, the cost is fast becoming affordable for all.

The solar photovoltaic energy (PV) process converts sunlight into electricity.

The equipment required for this process has no moving parts and as a result requires minimal maintenance. In addition, the solar power is generated with no polluting emissions and no noise.

So, how does solar power work?

Well, a PV cell consists of two or more thin layers of semiconducting material, most commonly silicon. When the cell is exposed to light, electrical charges are generated.

Knocked free by the energy, electrons are forced by the electric fields within the PV cells to flow in a certain direction which is known as a current.

Because there is metal contacts on the top and bottom of the PV cell, we can draw that current off to use externally.

The electrical output from a single cell is small, therefore multiple cells are connected together to provide a more useful output. Cells connected in this way are encapsulated (usually behind glass) to form a weatherproof module or panel.

Multiple modules can likewise be connected together in order to provide sufficient power for common electrical appliances.

What are the benefits of solar energy?

A solar power unit can save you a lot of money as well as helping make the environment cleaner and greener because solar energy is completely renewable and sustainable.

Whether you are interested in solar power for economic reasons or environmental concerns, solar energy is one of the most efficient and affordable energy alternatives available today.

A solar power unit has an unlimited supply and even if the sun doesn’t shine every day, solar energy panels still absorb daylight on cloudy days because the radiation from the sun still shines through.

To begin with, sunlight is free so after you have installed your solar energy system you won’t have to pay the electricity company a single penny for the power you have generated.

With prices of traditional fuels soaring the cost advantages of solar energy are becoming obvious. After installation of the appliance, solar power is free.

Solar energy is non-polluting and unlike many other forms of energy such as oil and coal, does not emit greenhouse gases or carcinogens into the atmosphere. Therefore, you are reducing your infamous carbon footprint and thus doing what you can from a personal standpoint to help the environment.

If everyone plays their own small part in this then the combined outcome will ensure big changes from an environmental point of view.

As long as the sun keeps shining, solar energy from the sun will be free. While there is an upfront cost for solar power and equipment, there is no ongoing cost aside from maintenance of the equipment which is minimal.

With enough solar panels, you can completely disconnect from the power grid and never again pay an electric bill.

So what better way to solve our reliance on oil products and services then to create our very own solar power unit and use a limitless source of energy such as the sun?

I hope these articles answer the question 'how does solar power work'?

To return to our renewable energy page.

To return to our solar energy home page.