Solar Energy : Solar Electricity Essay

Solar Energy : Solar Electricity Essay

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What is solar energy?
Solar energy is, simply, energy provided by the sun. This energy is in the form of solar radiation, which makes the production of solar electricity possible.
Solar energy produces electricity when it is in demand – during the day particularly hot days when air-conditioners drive up electricity demand.
In use, solar energy produces no emissions. One megawatt hour of solar electricity offsets about 0.75 to 1 tonne of CO2.

Benefits of solar energy
Solar energy is not only sustainable, it is renewable and this means that we will never run out of it. It is about as natural a source of power as it is possible to generate electricity.
The creation of solar energy requires little maintenance. Once the solar panels have been installed and are working at maximum efficiency there is only a small amount of maintenance required each year to ensure they are in working order.
They are a silent producer of energy. There is absolutely no noise made from photovoltaic panels as they convert sunlight into usable electricity.
how it is used to generate power

1. Solar Panels
The solar panels are made up of photovoltaic (PV) cells, which convert sunlight into direct current (DC) electricity throughout the day.
2. Inverter
This device converts the DC electricity generated by the solar panels into the alternating current (AC) electricity.
3. Electrical Panel
The AC electricity is sent from the inverter to your electrical panel to power your lights and appliances with solar energy. The electrical panel is often called a "breaker box."
4. Utility Meter
The utility meter measures your energy use. It actually goes backward when your system generates more power than you immediately need. This excess solar energy offsets the energy you...


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...chnologies." 16 February 2002. http://www.pvpower.com/pvtechs.html (18 February 2002).


Satyen, Deb K. "Recent developments in high efficiency photovoltaic cells." Renewable Energy 15 (1998): 467-472.
The National Renewable Energy Laboratory. "Solar Energy: Tapping into Earth 's largest energy resource." December 1998. http://www.nrel.gov/lab/pao/solar_energy.html (28 February 2002).
Turner, John A. "A Realizable Renewable Energy Future." SCIENCE 285 (1999): 687-689.


U.S. Department of Energy Photovoltaics Program. "US DOE PV Program - Simple Systems." 11 October 2001. http://www.eren.doe.gov/pv/simplepv.html (18 February 2002).


Web Administration Department HowStuffWorks.com. "HowStuffWorks - How Solar Cells Work." http://www.howstuffworks.com/solar-cell1.htm (18 February 2002).


Wenham, S. R., C.B. Honsberg, J.E. Cotter, R. Largent, A.G. Aberle, and M.A. Gree

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