Go Greener Tips

One of the most efficient ways of solar energy using is direct conversion of it into electricity in photocells. Solar cells are light-sensitive plates of a semiconductor material: selenium, silicon, gallium arsenide, silicon diselenide etc. Photovoltaic is being produced when the particles of light (photons) absorbed by the semiconductor, create an electrical current. Solar panels can be of different capacities – from portable units of a few watts to huge stations, covering millions of square meters of space.

In order not to depend on daily and seasonal solar cycle and atmospheric conditions, there are technical methods of energy storage such as: accumulation of electrochemical by batteries, mechanical accumulation (using rotating flywheels) and those in the form of hydrogen. It is also possible combine PV with other energy sources. For example, a combination with the wind installations is most likely, as well as with the systems on fossil fuels.

Photovoltaic systems (solar panels) require minimal maintenance. They do not use any water, so they are well suited for remote and desert areas. This method of solar energy converting is a durable and environmentally friendly. It also can be used to improve the ecological situation in the places of use. In the future it will regulate the environmental conditions over large areas.

Basic requirements for solar batteries include: lighting, consumer electronics work (radio, TV, fridge), pumps for lifting water in remote rural areas, environmentally friendly energy supply zones of mass recreation and treatment; radio- and telecommunications systems supplying, supplying of beacons and buoys. Solar energy using systems can be both environmentally friendly and also have a positive impact on other spheres of life. For example, using of solar panels in the hot desert areas as the sun shade providers makes favourable conditions for growing melons and citrus fruits underneath, which should use not too intense solar radiation. Another example is solar panels or solar collectors using as building elements as facades facing panels ( “solar houses”).

There is a constant increase in solar collectors’ production in many countries. At present time, their global installed capacity is estimated at 10 GW. The total area of solar collectors in the world according to incomplete data exceeded 21 million m2. Annual production of solar collectors is more than 1,7 million m2. Lead countries: Japan – 7 million m2, U.S. – 4 million m2, Israel – 2,8 million m2, Greece – 2,0 million m2.

Photoelectric conversion of solar energy is one of the fastest growing worldwide trend of renewable energy using. At present time, the total capacity of installed solar PV systems is over 938 MW. Annual growth rates have been reaching 30% over the past 5 years. Leading countries are: Japan – 80 MW, USA – 60 MW, Germany – 50 MW.

Using of photovoltaic solar cells is limited by their higher cost of generated electricity, comparing to the energy obtained by using of traditional energy sources.

Be smart and use the aid of solar power grants to convert your life to enhanced ecological balance with nature. Read about solar power grants, how to use them and where you can apply for these solar power grants.

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