Here Comes the Sun!

Roman, Harry T.
December 2007
Tech Directions;Dec2007, Vol. 67 Issue 5, p18
This article describes the planning of a solar system and gives a glimpse of some of the math involved. Solar panels make up the heart of a solar energy system. They can be large, and they require care and planning during the design phase. The panels are the big version of the familiar little solar cells that power the calculators we use. First and foremost, for a house to take full advantage of solar energy, it must receive plenty of direct sunlight all year long. Selecting the right-size solar system ensures production of enough electricity to supply the power needs of the home. Once a person has determined the power rating of the solar system, he can calculate the amount of energy that the system will produce.


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