Photovoltaic cells—those black squares an array of which comprises a solar panel—are getting more efficient, and gradually less expensive all the time, thanks to improved designs which allow them to focus the sunlight onto a more concentrated point. The size of the cells is decreasing as their efficiency rises, meaning that each cell becomes cheaper to produce and more productive. The price of producing solar-generated energy per watt hour has come down to $4.00 at the time of this writing. Just 17 years ago, it was nearly double that cost.

Solar powered electricity generation is certainly good for the environment, as this alternative form of producing energy gives off absolutely zero emissions into the atmosphere and is merely utilizing one of the most naturally occurring of all things as its driver. Solar collection cells are steadily becoming more practical for positioning on building rooftops. The system used for heating homes, producing  hot water on demand and producing electricity is fairly efficient. When using photovoltaic cells for hot-water generation, the system works by having the water held in the cells where it is heated and then sent through the pipes to where it is needed.

Photovoltaic cells are becoming increasingly efficient at collecting sufficient radiation from the sun even on overcast and stormy days. One company in particular, Uni-Solar, has developed solar collection arrays for the home that work well on inclement days by way of a technologically more advanced system that harnesses and stores more energy at one time on sunny days than previous or other arrays and uses this when required.

There is another solar power system available called the PV System. The PV System is connected to the nearest electrical grid; whenever there is an excess of solar energy being gathered at any one tine at a home, it gets transferred to the grid for shared use and as a way to lower the grid's dependence on the hydroelectrically-driven electricity production. Being connected to the PV System can subsidize your alternative energy production costs be it for solar power or wind power. Some local areas are designing centralized solar collection arrays for their towns or suburban communities.

Several big-name corporations are also getting into the act of using solar power - a further indication that solar generated energy is becoming an economically viable alternative energy source. Google has putt in a 1.6 megawatt solar power generation plant on the roof of its corporate headquarters, while Wal Mart wants to put in an enormous 100 megawatt system of its own.

Nations such as Japan, Germany, the United States, Australia, and Switzerland have been furthering the cause of solar energy production by providing government subsidies or by giving tax breaks to companies and individuals who agree to utilize solar power for generating their heat or electrical power.

 It is imperative to provide ordinary citizens with monetized incentives like tax reductions or exemptions for opting to use alternative green energy sources.

Incidentally, if you buy a product from one of the links on this page, I will be paid a small commission for your purchase :).  Editor

Return to main Articles List