Wednesday, 18 July 2012

Solar Panels

Dear Form 3 Students, we have learnt about alternative sources of energy. These are some articles about Alternative Sources of Energy.


Solar panels can be used in a variety of different ways in order to harness the suns energy. This energy can then be used to provide a renewable source of electricity or even a hot water supply depending on what you require.

The two main forms of solar cells in existence today are the solar electricity (PV) panel and the solar hot water panel. These two different designs allow you to either generate electricity or provide a hot water supply for your home or business. Whilst solar electricity is the more common use for solar panels, more and more people are beginning to see the benefits of providing a hot water supply from the installation of solar cells.


Solar Photovoltaic Panels

Solar photovoltaic (PV) panels are the most common solution for people interested in harnessing the suns energy. Not only are photovoltaic panels the ideal solution for generating renewable energy in the home or workplace but they are also ideal for generating a source of electricity in areas where electricity supplies don't currently exist (such as remote communities). The best example of the harnessing solar energy to provide electricity in remote locations can be found in space as for many years, satellites have been using solar panels to catch the sun's rays to provide power to the equipment on board.

Although it is possible for a household to receive its full electricity requirement from solar panels, this is an unlikely target in most cases. The costs involved with installing a solar energy system capable of supplying a whole house with electricity from photovoltaic panels would be significantly high for the average homeowner.




Solar Water Heating Panels

Solar panels can also be used to provide a source of hot water. This process, commonly referred to as "solar water heating" has for many years been increasing in popularity among homeowners.

Hot water solar panel systems are capable of supplying the average household with around a third of its annual hot water supply. While this may not sound much, it can reduce energy costs by a considerable amount.

Some systems combine both solar water heating and solar photovoltaic technology in a bid to provide a significant level, if not all of a buildings energy requirements. The combination of solar hot water panels with other renewable energy technologies can work quite well in providing a source of cheap, clean, and renewable energy for our homes.

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