Quote:
Originally Posted by golfersmurf57
Ok I'm interested in solar. Anyone out there have the number crunch sheet on how big (area wise) panels to produce how many watts of power? Also what's available to provide 220 volt system?
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Power density numbers depend on monocrystalline vs. polycrystalline as well as voltage. Monocrystalline is a slightly different structure and gets better efficiency, so it will be smaller for a given amount of power but also more expensive. Higher voltage panels (e.g. 24v as opposed to 12v) generally are smaller for a given amount of power.
Here are a few numbers:
14.3 W / ft^2 for a Renogy 12v, 150W monocrystalline panel
16.0 W / ft^2 for a Renogy 24v, 280W monocrystalline panel
15.3 W / ft^2 for a Renogy 24v, 320W polycrystalline panel