Alternative Energy Source Review: Solar Energy

Many people have discovered much about solar energy after viewing Race the Sun, a movie that starred Halle Berry and James Belushi. The movie plot is about the efforts of the poorer Hawaiian students to construct their own solar-powered car and take part in the Solar Car Race. Carrying out a cockroach-look design, they covered the car with solar panels to capture the sun’s rays that served as their alternative energy source.

Solar energy refers back to the energy that could be harnessed from the sun, specifically light and heat. There is an unlimited, free supply of solar energy. The best thing about using solar power is that it doesn’t pollute the air and water. However, there are some indirect effects about the environment.

For just one, you have the use of silicon to produce the pv cells that are utilized in converting solar energy into electricity. These pv cells eventually be waste materials too. Then you have the risk that the large solar thermal farms, if mismanaged, can disturb the delicate ecological balance from the desert where they are usually located.

There are many applying solar energy for example in the following examples:

1. Agriculture

Greenhouses use solar heat to advertise the growth of crops. Anthropologists have uncovered evidences that even the early Romans used greenhouses. The current design of greenhouses began in Europe during the 16th century. Today, horticulturists are very reliant on the greenhouses.

2. Daylight systems

Daylight systems such as saw tooth roofs, skylights, light tubes, and lightweight shelves are set up in buildings to maximise using solar light in providing illumination inside the premises and minimizing using artificial lighting. If implemented properly, daylight systems can effectively reduce consumption of electrical power up to 25%.

3. Solar thermal technologies

The most common use of solar energy is in heat generation. Solar energy is widely used to heat water, warm-up a space, and improve ventilation.

4. Water treatment

Solar power is usually utilized in water distillation. With the processes of evaporation and condensation, even sea water is made drinkable. One other popular using solar power is incorporated in the disinfection of drinking water. The principle of solar water disinfection (SODIS) is simple. It calls for the exposure of water-filled plastic bottles to the sun for at least six hours, although it might take 2 days to accomplish the process during overcast days. Today, more than two million people in third world countries rely on SODIS for their supply of drinking water.

5. Supply of electric power

The conversion of sunlight into electricity is with using photovoltaics or PV. A good example may be the ubiquitous solar-powered calculator. Many other modern gadgets no more require batteries because they are equipped with solar cells, also called PV cells, pv cells, or photoelectric cells. Many homes employ photovoltaics, although the things they use are the bigger solar panels to create electricity.

6. Solar furnaces

Solar furnaces or solar cookers use carefully arranged mirrors to concentrate the sun’s heat into a small, confined space to improve its temperature to high levels. Lots of people in hot countries use solar cookers in cooking their food.

It is obvious regarding the viability of solar energy as a substitute source of energy. Unfortunately, it’s not available at night. Besides, huge investments have to build solar stations. Regardless of the downsides, however, the benefits that may be from solar energy are greater, the foremost which is the health of our planet.

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