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Rick H Parker

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Reply with quote  #11 
If they do things there the way they do where I  came from, "better value" could mean my brother's construction company gets the tracker contract.
Rick H Parker
Kansas, USA
Electronics Engineering Technologist


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Posts: 2,750
Reply with quote  #12 
Bear in mind you're looking at a billion-dollar outfit with several BIG arrays and a fair amount of experience. I'm pretty sure they've done their homework. From the photo, one rack may hold 50 panels, and it wouldn't take much to make it moveable. The way they're arranged one drive unit could move 20 or more racks, (1000 panels).

The wiring and connections have to be maintained anyway, and they already have the staff on hand for that. So I suspect the additional investment is relatively minor. If a single-axis tracker represents a 20% gain that's a fair chunk of change, even at 9c/kwh.

That said, I still don't think a tracker would be practical for a home-sized array.

Solar is like the wind. It may be free, but putting it to work isn't!
Willie, Tampa Bay
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