Monday, January 17, 2011

advantages of solar energy

Solar energy
Solar energy, radiant light and heat from the sun, has been harnessed by humans since ancient times using a range of ever-evolving technologies. Solar radiation, along with secondary solar-powered resources such as wind and wave power, hydroelectricity and biomass, account for most of the available renewable energy on earth. Only a minuscule fraction of the available solar energy is used.
Solar powered electrical generation relies on heat engines and photovoltaics. Solar energy's uses are limited only by human ingenuity. A partial list of solar applications includes space heating and cooling through solar architecture, potable water via distillation and disinfection, daylighting, solar hot water, solar cooking, and high temperature process heat for industrial purposes.To harvest the solar energy, the most common way is to use solar panels.
In today's climate of growing energy needs and increasing environmental concern, alternatives to the use of non-renewable and polluting fossil fuels have to be investigated. One such alternative is solar energy.

Thee are so many advantages of Solar Energy , we describe some of them blew:


• after initial investment, all the electricity you produce is free
• incentives and rebates from governments and utility companies offset the initial investment
• new financing vehicles such as leasing and Pace offset the initial investment while preserving the incentives and rebates
• net metering gives you the opportunity of selling your excess electricity or getting a credit from the utility company
• reduce or completely eliminate your electric bill
• cost of solar panels are decreasing while efficiency is increasing
• numerous solar solutions are being developed that are less obtrusive and easier to install
• clean, renewable energy source
• no transmission costs, your energy is produced where it is consumed
• all or some of your electric needs can be supplied by solar energy, it’s up to you and your budget
• you can be totally independent of the electric company by using batteries to store your excess energy or you can remain tied to the grid and use net metering
• solar systems are long lasting systems with warranties that are 20-30 years

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