Nov 6, 2009 (2 hours ago)
We've been talking about Do It Yourself Solar and the steps involved. Today let's get down to the brass tacks: system costs. We'll approach it from two directions, component costs and complete system costs. We'll use a 2 kilowatt, grid tied, roof mounted example system where applicable. Component Costs Let me start out by saying that I do not think its a good idea to go out and try to build a system from individual components yourself. Unless you have experience in electrical work or are already a solar professional, this can over complicate what is already a complicated process. I also get calls from people who have inherited some solar panels or bought an inverter on Ebay. You can certainly cobble a system together with used parts but keep in mind that efficiency is advancing in this industry fast enough that even panels made 4 years ago are behind the times. The best way to start is with new, brand name products. Panels Solar panels vary widely in cost now but are quickly becoming a commodity in terms of pricing. You can find many Chinese manufacturers that will provide panels for $2/watt. But what will you do when you have a warranty issue? Odds are your panel company will be d..
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