Most people must surely find that the high costs of energy and the changes in our climate are some of the reasons why we need to find more cost-effective energy solutions. Thus, it is hardly surprising that renewable energy of which solar systems is a good example are creating quite a stir in the imagination of people because such solutions do not pollute the environment and all that is required is plenty of sunshine.

Shortage Of Refined Silicon

However, as with every good thing, there are some serious drawbacks as well such as the shortage of refined silicon that is critical in the fabrication of solar cells. And, since solar installations of necessity need large space, solar arrays do require more real estate and without getting subsidies from the government, cost of solar energy can be prohibitive.

Nevertheless, solar power is a promising source of energy and this has led to many companies striving to address concerns such as these. An alternative mooted is to add solar systems on office buildings and even making multi-use structures that can double as carports and also solar arrays. Even then, cost of solar energy is a major constraining problem which requires further development of solar designs that will help reduce such costs.

Companies such as CoolEarth Solar are convinced that they can manufacture solar systems that can help bring down cost of solar energy and make it cheaper than using coal as well as make farmers is able to supply electricity as well.

The basis for these claims of reducing cost of solar energy is that the company has a technology that makes use of balloons to capture as well as concentrate the energy from sun and not needing any great space to do so, while also not needing great amounts of silicon. According to this company, the cost of solar energy can come down by as much as four hundred time as compared to conventional mirrors, and they are also able to resist winds of hundred miles per hour, thus protecting the mirror surface as well as receivers from the effects of rain, dirt and also insects.

And, the company also says that given the low maintenance as also replacement costs, it can bring down the cost of solar energy to less than two dollars, which is a significant reduction from the present four dollar cost per watt of installed capacity. In addition, such technology can also provide farmers the opportunity to 'farm' electricity besides farming their crops. Thus, not only is the cost of solar energy reduced, but it also generates good profits for operators.

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