Home Solar Panels Watts

Can someone tell me about solar panels for homes?
I was trying to look online for solar panels for my home to take some of the strain off of using oil and electricity but I find it very hard to understand exactly how they are used.
Like one that I looked up is 100 watts…..is that like a light bulb watt? How many things can that power?
Is it really cheaper in the long run because the panels are very expensive?
If anyone has web sites that can explain this to me I would appreciate a link, or anyone to answer part of my question.
Here’s an article that will give you an idea of what residential solar is all about:
http://www.thisoldhouse.com/toh/article/0,,20152332,00.html?xid=yahoo-answers&partner=yes
Then you can followup with the sources below to get more info.
Home made Solar panel 18 to 20 Volts and 70 Watts DIY
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P3 International P4400 Kill A Watt Electricity Usage Monitor $50.00 Empowers You to Save Hundreds on Electric Bills Electricity bills are rising. Now you can cut down on costs and find out what appliances are actually worth keeping plugged in. Simply connect these appliances to the Kill A Watt, and it will assess how efficient they really are. The large LCD display counts consumption by the kilowatt-hour, the same as your local utility. You can calculate your elec… |