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I'd appreciate feedback on the following design. I have a number (~150) of 10 year old, ground mount Solyndra SL-200-200 panels that we want to use for grid-tied PV. These sit on feet that clip onto the panels and support them about 12 inches off the ground. I am working in a large sunlit area...

Thank you all! I'm sorry I haven't had a chance to reply yet to all the comments. However like pvgirl said, I would have to bring back eight pairs of wires from the 8 sets of 16 panels.

Thanks pvgirl, that will save some dollars!

That is exactly how I had it originally and was counting on the high DC voltage to save in the wiring cost. But it got expensive as well as the the cost of the conduit to run 220'. So I'm going to try and do it with that direct burial cable as long as I can keep the voltage drop reasonable.

pvgirl: I am definitely going to run underground capable Cat 6 to the inverters, something like this...