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Solar Energy
 
Usable Natural Resources
Solar power is used a number of different ways, of course. There are two very basic kinds of solar energy: Solar thermal energy collects the sun's warmth through one of two means: in water or in an anti-freeze (glycol) mixture. Solar photovoltaic energy converts the sun's radiation to usable electricity.
Popular Ways Solar Energy Is Used
Small Independent Solar Photovoltaic Systems
We see these used everywhere, from calculators to garden lights. Portable units can be used for everything from RV appliances while single panel systems are used for traffic signs. Fold out solar panels are stored in casing similar to the one you'd get with a day planner. You can charge the battery on your cell phone, PDA, GPS and more. Simply take it out and charge, anywhere the sun shines.
Solar Pool Heating
Heating an average pool for the swimming season uses about the same amount of energy as most homes require per year. The costs go beyond just monthly heating bills when you consider greenhouse gas emissions involved. A solar pool heater pays for itself quickly.
Solar Thermal Energy Using Glycol To Heat Water
In this method (indirect circulation), glycol is heated by the sun's rays and the heat is then transferred to water in a hot water tank. This method of collecting the sun's energy is more practical now than ever. In areas as far north as Edmonton, Alberta, solar thermal to heat water is economically sound. It can pay for itself in three years or less.
Integrating Solar Photovoltaic Energy In Your Home
In many parts of the world, solar photovoltaics is an economically feasible way to supplement the power of your home. In Japan, photovoltaics are competitive with other forms of power. In the US, new incentive programs make this form of solar energy ever more viable in many states. An increasingly popular and practical way of integrating solar energy into the power of your home or business is through the use of building integrated solar photovoltaics.
Large Independent Photovoltaic Systems
If you have enough sun power at your site, you may be able to go off grid. You may also integrate or hybridize your solar energy system with wind power or other forms of renewable energy.


 
 
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